Zinātnisko rakstu vāks
VMC publikācijas, kopš 1993:
2022
- Eglīte I., Krauklis K., Lāce I. Projekts Latvijas hidroģeoloģiskā modeļa LAMO4 pilnveidošana un tā rezultātu publiskošana. 3.etaps. Programmatūras rīku izstrāde hidroģeoloģisko datu tabulu izveidošanai. RTU, Vides modelēšanas centrs: 2022. 19 lpp.,(Pilns teksts)
- Eglīte I., Krauklis K., Lāce I. Projekts Latvijas hidroģeoloģiskā modeļa LAMO4 pilnveidošana un tā rezultātu publiskošana. 4. etaps. Programmatūras rīku izstrāde pirmā pamatiežu ūdens horizonta pazemes ūdens aizsargātības datu tabulu un kartes izveidošanai. RTU, Vides modelēšanas centrs: 2022. 18 lpp.,(Pilns teksts)
- Eglīte I., Krauklis K., Lāce I. Projekts Latvijas hidroģeoloģiskā modeļa LAMO4 pilnveidošana un tā rezultātu publiskošana. 5. etaps. Izveidoto datu tabulu publicēšana RTU VMC mājas lapā un to publiskās pieejas nodrošināšana. RTU, Vides modelēšanas centrs: 2022. 13 lpp.,(Pilns teksts)
- Eglīte I., Krauklis K. Atzinums par derīgo izrakteņu ieguves atradnēs „Veczvirgzdiņi” izraisītu hidroģeoloģiskā režīmu izmaiņu prognozi. RTU, Vides modelēšanas centrs: 2022. 42 lpp.,(Pilns teksts)
2021
- Spalviņš, A., Krauklis, K., Lāce, I. Depression Cone Mis-Shapenning due to Variable Permeability of a Dolomite Excavation Aquifer in Latvia. No: Water Resources. Forest, Marine and Ocean Ecosystems Section Hydrology and Water Resources, Bulgārija, Albena, 14.-22. augusts, 2021. Sofija: STEFF92 Technology Ltd, 2021, ${pageFrom}.-${pageTo}.lpp. ISSN 1314-2704., (Pilns teksts)
- Spalviņš, A., Eglīte, I., Krauklis, K., Lāce, I. Modelling of Walls for Reducing Contamination that is Caused by a Former Dump Site in Riga City, Latvia. No: Water Resources. Forest, Marine and Ocean Ecosystems Section Hydrology and Water Resources, Bulgārija, Albena, 14.-22. augusts, 2021. Sofija: STEFF92 Technology Ltd, 2021, ${pageFrom}.-${pageTo}.lpp. ISSN 1314-2704., (Pilns teksts)
- Spalviņš, A., Eglīte, I., Krauklis, K., Lāce, I. UNSYMMETRICAL DEPRESSION CONES OF DOLOMITE EXCAVATION QUARRIES THAT ARE SITUATED CLOSE TO LARGE SURFACE WATER BODIES IN LATVIA. No: Water Resources. Forest, Marine and Ocean Ecosystems Section Hydrology and Water Resources, Bulgārija, Albena, 14.-22. augusts, 2021. Sofija: STEFF92 Technology Ltd, ${reference.year}, ${pageFrom}.-${pageTo}.lpp. ISSN 1314-2704. , (Pilns teksts)
- Eglīte, I., Lāce, I., Krauklis, K. Zinātniskais pamatojums Teiču dabas rezervāta ārējās aizsargjoslas noteikšanai. RTU, Vides modelēšanas centrs: 2021. 74 lpp. , (Pilns teksts)
- Spalviņš, A., Eglīte, I., Krauklis, K., Lāce, I. Teiču dabas rezervāta lokālā hidroģeoloģiskā modeļa izstrādes gaita un sākotnējie secinājumi. RTU, Vides modelēšanas centrs: 2021. 13 lpp., (Pilns teksts)
- Eglīte I., Krauklis K., Lāce I. Projekts Latvijas hidroģeoloģiskā modeļa LAMO4 pilnveidošana un tā rezultātu publiskošana. 1. etaps. Pazemes ūdens kvalitātes digitālo karšu izveidošana. RTU, Vides modelēšanas centrs: 2021. 13 lpp., (Pilns teksts)
- Eglīte I., Lāce I., Krauklis K. Projekts Latvijas hidroģeoloģiskā modeļa LAMO4 pilnveidošana un tā rezultātu publiskošana. 2. etaps. Pazemes ūdeņu barošanas, tranzīta un atslodzes apgabalu digitālo karšu izveidošana. RTU,Vides modelēšanas centrs: 2021. 10 lpp., (Pilns teksts)
- Spalviņš, A., Krauklis, K., Lāce, I., Eglīte, I., Šķibelis, V., Mačāns, A. Pazemes ūdens līmeņa pazemināšanas hidroģeoloģiskā modelēšana dolomīta atradnes “Rīteri” iecirknim “Koknese”, Kokneses novadā. RTU: 2021. 21 lpp., (Pilns teksts)
2020
- A. Spalvins, I. Lace, K. Krauklis, D. Pipira, S. Karusa, I. Retike, M. Mame, L. Fibiga, Numerical Modelling of the Contaminated Former Black Fuel Storage Area Effect in Latvia: a Case Study, International Review on Modelling and Simulations (I.RE.MO.S.), Vol.13, N. 6, December 2020, ISSN 1974-9872, pp. 410-424, (Pilns teksts)
- Spalvins A., Krauklis K., Eglite I., Lace I., Modelling of the forest melioration system at Latvia, 20th international multidisciplinary scientific geoconference SGEM 2020, 18-24 August, 2020, Albena, Bulgaria, Conference proceedings Hydrogeology and water resources, Issue 3.1, ISBN 978-619-7603-08-8, ISSN 1314-2704, DOI: 10.5593/sgem2020/3.1, pp. 257-264, (Pilns teksts)
- Spalvins A., Krauklis K., Eglite I., Lace I., Hydrogeological modelling of the interaction between dolomite excavation quarries at Latvia, 20th international multidisciplinary scientific geoconference SGEM 2020, 18-24 August, 2020, Albena, Bulgaria, Conference proceedings Hydrogeology and water resources, Issue 3.1, ISBN 978-619-7603-08-8, ISSN 1314-2704, DOI: 10.5593/sgem2020/3.1, pp. 155-162 (Pilns teksts)
- Inčukalna sērskābā gudrona Dienvidu dīķa hidroģeoloģiskais modelis, Gala atskaite līgumam starp PS Inčukalns EKO biedru AS BAO un Rīgas Tehnisko universitāti. Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, novembris 2020, 69 lpp. (Pilns teksts)
- Inčukalna sērskābā gudrona Ziemeļu dīķa hidroģeoloģiskais modelis, Gala atskaite līgumam starp PS Inčukalns EKO biedru SIA EKO OSTA un Rīgas Tehnisko universitāti. Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, aprīlis 2020, 74 lpp. (Pilns teksts)
- Atzinums par dolomīta atradnes “Ailes” pazemes ūdens līmeņa pazemināšanas hidroģeoloģisko modelēšanu, Līgums starp pasūtītāju Aiju Veiguri un un Rīgas Tehnisko universitāti. Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, aprīlis 2020, 16 lpp. (Pilns teksts)
- Inčukalna sērskābā gudrona Ziemeļu dīķa hidroģeoloģiskā datormodeļa interpretācija, Kopsavilkums līgumam starp PS Inčukalns EKO biedru SIA EKO OSTA un Rīgas Tehnisko universitāti. Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, novembris 2020, 5 lpp. (Pilns teksts)
- Inčukalna sērskābā gudrona Dienvidu dīķa hidroģeoloģiskā datormodeļa interpretācija, Kopsavilkums līgumam starp PS Inčukalns EKO biedru AS BAO un Rīgas Tehnisko universitāti. Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, novembris 2020, 5 lpp. (Pilns teksts)
2019
- Spalvins A., Krauklis k., Lace I., Assessment of the enclosing wall for preventing of ground dewatering caused by building of underground construction in the town Riga, Latvia, 19th international multidisciplinary scientific geoconference SGEM 2019, 30 june-6 July, 2019, Albena, Bulgaria, Conference proceedings Hydrogeology and water resources, Vol. 19, Issue 3.1, ISBN 978-619-7408-81-2, ISSN 1314-2704, DOI: 10.5593/sgem2019/3.1, pp. 57-64
- A.Spalviņš, K. Krauklis, O. Aleksāns, I. Lāce, J. Šlangens, V. Šķibelis, I. Eglīte, A. Mačāns, I. Tabaka, L. Goldbergs Latvijas hidroģeologiskā modeļa LAMO4 lietošana vides problēmu risināšanā, Krājums par VPP EVIDEnT rezultātiem, Latvijas ekosistēmu dinamika klimata ietekmē, LU Akadēmiskais apgāds, Rīga, 2018, 81-87 lpp., ISBN 978-9934-18-381-2
- Vērtējums par hidroloģiskajiem, hidroģeoloģiskajiem un inženierģeoloģiskajiem apstākļiem meža meliorācijas sistēmai “Zāmeļu-Tīsu mežs” un tai piegulošajai teritorijai, pārskats līgumam starp AS Latvijas Valsts meži un Rīgas Tehnisko universitāti. Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, aprīlis 2019, 71 lpp. (Pilns teksts)
- Ietekmes uz vidi novērtējums par hidroloģiju un ģeoloģiju derīgo izrakteņu atradnei Lejasnoras Ropažu novadā, pārskats līgumam starp SIA “Vides eksperti” un Rīgas Tehnisko universitāti, Vad. A.Spalviņš,.RTU Vides modelēšanas centrs, Rīga, septembris 2019, 59 lpp. (Pilns teksts)
- Par Valsts vides dienesta Jelgavas reģionālās vides pārvaldes ziņojumu Nr. 644-044/2019 (31.05.2019), kurā noliegta dabas ainavas rekreācijas darbu likumība nekustamajā zemes īpašumā “Pietilti”, Mežotnes pagastā, Bauskas novadā, atzinums par Valsts vides dienesta Jelgavas reģionālās vides pārvaldes Ziņojumu, Vad. A.Spalviņš, RTU Vides modelēšanas centrs, Rīga, jūlijs 2019, 31 lpp. (Pilns teksts)
2018
- Spalvins A., Krauklis K., Lace I., Creation of hydrogeological data profiles for groundwater systems, 18th international multidisciplinary scientific geoconference SGEM 2018, 2 july-8 July, Albena, Bulgaria, Conference proceedings Hydrogeology and water resources, Vol. 18, Issue 3.1, ISBN 978-619-7408-42-3, ISSN 1314-2704, DOI: 10.5593/sgem2018/3.1, pp. 171-177 (Pilns teksts)
- Spalvins A., Krauklis K., Lace I., The new method for finding borders of groundwater recharge, transit and discharge areas, 18th international multidisciplinary scientific geoconference SGEM 2018, 2 july-8 July, Albena, Bulgaria, Conference proceedings Hydrogeology and water resources, Vol. 18, Issue 3.1, ISBN 978-619-7408-42-3, ISSN 1314-2704, DOI: 10.5593/sgem2018/3.1, pp. 751-758 (Pilns teksts)
- Aija Pudane, Igors Selivanovs , Olgerts Aleksans , Aivars Spalvins , Comparison of computer prognoses given in 1997 with the real sanitation results for the Ilukste oil pumping station, Latvia, 4th World Multidisciplinary Earth Sciences Symposium - WMESS, 3-7 september, 2018, Prague, Czech Republic (nodots iespiešanai) (Pilns teksts)
- LRDS “Ilūkste” teritorijā īstenotās naftas produktu atsūknēšanas moduļu darba efektivitātes un darbības turpināšanas nepieciešamības novērtējums, turpmākās rīcības priekšlikumu izstrāde, Pārskats līgumam L8508 starp SIA LatRosTrans un RTU , 2018, Rīgas Tehniskā universitāte, vad. A. Spalviņš, 57 lpp. (Pilns teksts)
- Gruntsūdens režīma izmaiņu modelēšana dolomīta, mālsmilts un smilšmāla atradnei “Kadiķu pļava”, Ikšķiles novadā, Tīnūžu pagastā, Līgumdarba ar SIA “Īpašumi EG “ atskaite, 2018, Rīgas Tehniskā universitāte, vad. A. Spalviņš, 16 lpp. (Pilns teksts)
- Gruntsūdens režīma izmaiņu modelēšana objektam Tērbatas ielā 74, Rīgā, Līgumdarba ar AS “VentEko “ atskaite, 2018, Rīgas Tehniskā universitāte, vad. A. Spalviņš, 24 lpp. (Pilns teksts)
- Latvijas hidroģeoloģiskā modeļa LAMO izveidošana, izmantošana un pilnveidošana, Rīgas Tehniskās Universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas”, 57. sēj. Rīga, 2018, RTU Press, 5-15 lpp. ISSN 2255-9124, ISSN 2255-9132
- A. Pudāne, I. Seļivanovs, O. Aleksāns, A. Spalviņš, Naftas produktu tranzīta stacijas Ilūkste teritorijas reālo sanācijas rezultātu salīdzinājums ar 1997. gada datorprognozi, Rīgas Tehniskās Universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas”, 57. sēj. Rīga, 2018, RTU Press, 16-23 lpp. ISSN 2255-9124, ISSN 2255-9132
- K. Krauklis, Pazemes ūdens sistēmu griezumu izveidošanas automatizācija, Rīgas Tehniskās Universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas”, 57. sēj. Rīga, 2018, RTU Press, 24-28 lpp. ISSN 2255-9124, ISSN 2255-9132
2017
- A. Spalviņš, K. Krauklis, I. Lāce , Ģeoloģisko slāņu ūdens filtrācijas koeficienta kartes Latvijas hidroģeoloģiskajā modelī. Starptautisks starpdisciplinārs simpozijs “Smilts un Stikli”, Zinātnisko rakstu krājums, Atbildīgais redaktors V. Segliņš. Rīga: Latvijas universitāte,Rīga, 2017, 21-30 lpp. (Pilns teksts)
- A. Spalviņš, K. Krauklis, I. Lāce, Latvijas upju sateces baseinu īpašību pētīšana ar Latvijas hidroģeoloģiskā modeļa palīdzību, Tēžu krājums, Latvijas Universitātes 75. zinātniskā konference Zemes un vides zinātņu nozares sekcija, apakšsekcija „Lietišķā ģeoloģija”, Latvijas universitāte, Dabas zinātņu akadēmiskais centrs, Rīga, 2017. 40-41 lpp. (Pilns teksts)
- A. Spalviņš, K. Krauklis, I. Lāce, T. Sorokina, H. Wallner, Prospects for remediation of contaminated groundwater at the Incukalns district of Latvia, 17th International Multidisciplinary Scientific GeoConference SGEM 2017, Conference Proceedings Volume 17, Hydrology and Water resources, Sofia, Bulgaria, 2017, pp. 517-526,ISSN 1314-2704, ISBN 978-619-7408-04-1, DOI: 10.5593/sgem2017/31 (Pilns teksts)
- I Lāce, K Krauklis, A Spalviņš and J Laicāns, Implementations of Riga city water supply system founded on groundwater sources, 3rd International Conference Proceedings «Innovative Materials, Structures and Technologies» (IMST 2017), Volome 251. Part 2, Institute of Physics, Bristol, UK, Curran Associates, 2017, pp. 1031- 1038, ISBN 978-1-5108-5059-0, ISSN 1757-8981, DOI: 10.1088/1757-899X/251/1/1012131 (Pilns teksts)
- O. Aleksāns, J. Pētersons, K. Krauklis, A. Spalviņš, Hidroģeoloģiskā modelēšana augsto purvu saglabāšanas un atjaunošanas projektu izstrādei, Rīgas Tehniskās universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas", 56. sēj., Rīga, RTU Press, 2017, 5-11. lpp. ISSN2255-9124, ISSN 2255-9132 (Pilns teksts)
- A. Spalviņš, K. Krauklis, I. Lāce, D. Pipira, S. Karuša, I. Retiķe, M. Mame, L. Fībiga, Hidroģeoloģiskā modelēšana naftas produktu piesārņojumam Valmierā, . Rīgas Tehniskās universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas’, 56. sēj., Rīga, RTU Press, 2017, 17-31. lpp. ISSN2255-9124, ISSN 2255-9132 (Pilns teksts)
- A. Spalviņš, K. Krauklis, I.Lāce "Pazemes ūdens plūsmu barošanās, tranzīta un atslodzes apgabalu robežu noteikšana, Rīgas tehniskās universitātes zinātniskais žurnāls Datormodelēšana un robežproblēmas", RTU Press, Rīga, 2017, 57. sēj. 12-16 lpp. (Pilns teksts)
- A.Spalviņš, Ķemeru purva apgabala hidroģeoloģiskā modelēšana, Pārskats SIA EmviroEnGen pasūtījumam, Rīga. 2017, 4 lpp., 3 tab., 14 att. (Pilns teksts)
- A.Spalviņš, Laugas purva apgabala hidroģeoloģiskā modelēšana, Pārskats SIA EmviroEnGen pasūtījumam, Rīga. 2017, 5 lpp., 4 tab., 22 att. (Pilns teksts)
- A.Spalviņš, manuskripts 'Latvijas hidroģeoloģiskā modeļa LAMO4 pielietošana vides problēmu risināšanai', VPP monogrāfija, 2017, 9 lpp. (Pilns teksts)
2016
- Spalviņš A. “Gruntsūdens infiltrācijas sistēmas ražības novērtēšana būvobjektam Pulka ielā 8, Rīgā”, pārskats par SIA “RERE_BŪVE” formulētā uzdevuma risinājumu, Rīga, RTU VMC, 2016, 7 lpp. (Pilns teksts)
- Spalviņš A. ‘‘Gruntsūdens režīma izmaiņu modelēšana objektam Kauguru ielā 3, Jūrmalā”, Pārskats SIA VENTEKO pasūtījumam, RTU, 2016, Pārskatā ir 5 lpp. teksta, 5 tabulas un 9 attēli (Pilns teksts)
- A.Spalviņš, Rīgas pilsētas pazemes ūdensgūtņu ražības variantu izvērtējums, Pārskats līgumam ar SIA Aqua-Brambis, Rīga, jūnijs, 2016, RTU, 6 lpp., 18 att. (Pilns teksts)
- A.Spalviņš, Atradnes „Staškeviči” ģeometrijas noteikšana un tās krājumu aprēķināšana, Pārskats SIA “Vides konsultāciju birojs” pasūtījumam, Rīga, jūnijs, 2016, RTU, 4 lpp., 18 att. (Pilns teksts un prezentācija)
- A.Spalviņš, Latvijas hidroģeoloģiskā modeļa izveidošana Rīgas Tehniskajā universitātē (2010.g.-2015.g.), Rīgas Tehniskā universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas’, RTU Press, Rīga, 2016, 55. sēj. Atspogoļo LAMO izveidošanu (ERAF projektā) un pilnveidošanu (VPP EVIDEnT). (Pilns teksts)
- A.Spalviņš, K. Krauklis, I. Lāce, T. Sorokina, H. Wallner, Inčukalna gudrona dīķu radītā piesārņojuma kustības datormodelēšana, Rīgas Tehniskā universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas’, RTU Press, Rīga, 2016, 55. sēj. Līgumdarbs ar personu apvienību "INTERGEO“. ( Pilns teksts un prezentācija)
- A.Spalviņš, K. Krauklis, I. Lāce, J. Laicans Rīgas pilsētas dzeramā ūdens avotu optimizācijas iespējas, Rīgas Tehniskā universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas’, RTU Press, Rīga, 2016, 55. sēj. Pakalpojums SIA “AQUA-BRAMBIS”. (Pilns teksts un prezentācija)
- A. Spalviņš, K. Krauklis, Latvijas hidroģeoloģiskais modelis LAMO4 kā rīks dabas procesu pētīšanai. Iecavas upes pazemes pieteces avoti. Zinātnisko rakstu krājums. Lietišķi ģeoloģiskie pētījumi, jaunas tehnoloģijas, materiāli un produkti. Atbildīgais redaktors V. Segliņš. Rīga: Latvijas universitāte, 2016, 6-11 lpp. (Pilns teksts)
- A. Spalvins, I. Lace, K. Krauklis, Making of crediable permeability maps for layers of hydrogeological model of Latvia , 30-th European Conference on Modelling and Simulation, May 31-June 03, 2016, Regensburg, Germany printed by Digitaldruck Pirrot GmbH 66125 Sbr.-Dudweiler, Germany pp.66-72 (SCOPUS) (Pilns teksts un prezentācija)
- A. Spalvins, I. Lace, K. Krauklis, A hydrogeological model as a tool for investigating the processes of nature: a case stady of the Iecava river baseflow, Latvia, 16TH International scientific geoconference SGEM 2016, Hydrology & Water resources, 28 June – 07 July, 2016, Bulgaria, Albena Resort, Vol. 1, pp.17-24, (SCOPUS) (Pilns teksts un prezentācija)
- A.Spalviņš, Ziemeļu un Dienvidu sērskābā gudrona dīķu pazemes ūdeņus piesārņojošo vielu masas transporta matemātiskā modelēšana, Pārskats pakalpojumu līgumam ar personu apvienību “INTERGEO”, Rīga, marts, 2016, 31 lpp. teksta, 79 att., 8 pielikumi (Pilns teksts)
- K. Krauklis, A. Spalviņš, I. Eglīte, Latvijas zemieņu un augstieņu upju īpašību pētīšana ar Latvijas hidroģeoloģiskā modeļa palīdzību, Rīgas Tehniskā universitātes zinātniskais žurnāls “Datormodelēšana un robežproblēmas’, RTU Press, Rīga, 2016, , 55. sēj. (Pilns teksts un prezentācija)
2015
- Spalviņš, A., Šlangens, J., Lāce, I., Krauklis, K., Aleksāns, O. Upgrading of the hydrogeological model of Latvia. Proceedings - 29th European Conference on Modelling and Simulation, ECMS 2015 , 2015, pp.87-93,ISBN: 978-099324400-1, (Pilns teksts)
- Spalviņš, A., Aleksāns, O, Lāce, I., Improving Of Transmissivity Maps For Hydrogeological Model Of Latvia, 15th International Multidisciplinary Scientific Geoconference,Informatics, Geoinformatics And Remote Sensing Conference Proceedings,18-24, June, 2015,Albena, Bulgaria pp.677-684, ( Pilns teksts)
- Spalviņš, A., Šlangens, J., Lāce, I., K., Aleksāns, O., Krauklis, Improvement of Hydrogeological Models: a Cese Study, International Review on Modelling and Simulations (IREMOS),ISSN 1974-9821,Vol.8 N.2,April 2015, pp. 265-275, (Pilns teksts)
- A.Spalvins, J. Slangens, I. Lace, O. Aleksans, K. Krauklis, V. Skibelis, I. Eglite, The Novel Updates of the Hydrogeological Model of Latvia, Scientific Journal of Riga Technical University, Boundary Field Problems and Computer Simulation, RTU Press, Riga, 2015, vol. 54, pp. 23-34, (Pilns teksts)
- A. Spalvins, I. Lace, K. Krauklis, Improved Methods for Obtaining Permeability Maps of Aquifers for Hydrogeological Model of Latvia, Scientific Journal of Riga Technical University, Boundary Field Problems and Computer Simulation, RTU Press, Riga, 2015, vol. 54, pp. 35-42, (Pilns teksts)
- K. Krauklis, A. Spalvins, J. Slangens, The Hydrogeological Model of Latvia LAMO4 as a Tool for Investigating the Processes of Nature. Sources of Groundwater Inflow for the Iecava River, Scientific Journal of Riga Technical University, Boundary Field Problems and Computer Simulation, RTU Press, Riga, 2015, vol. 54, pp. 43-50, (Pilns teksts)
2014
- Spalviņš, A., Šlangens, J., Lāce, I., Krauklis, K., Aleksāns, O. Survey of the first results provided by hydrogeological model of Latvia. 9-th International Conference Environmental Engineering, 22-23 May, 2014, Vilnius, Lithuania, Selected Papers, Vilnius Gediminas Technical university Press Technika, 2014, ISBN 978-609-457-690-4 CD , ISSN 2029-7092 online
- Spalviņš, A., Šlangens, J., Aleksāns, O, Lāce, I., Krauklis, K., Geological profiles as efficient means for expounding results provided by hydrogeological model of Latvia, 14th Geo Conference on Science and Technologies in Geology, Exploration and Mining (SGEM), 17-26 June, Bulgaria, Conference Proceedings Vol.II, Published by STEF92 Technology Ltd.,pp. 401-408, ISBN 978-619-7105-08-7, ISSN 1314-2704, DOI 10.5593/sgem2014B12, (Pilns teksts)
- Spalviņš, A., Šlangens, J., Lāce, I., K., Aleksāns, O., Krauklis, V., Šķibelis, I., Eglīte, Hydrogeological Model of Latvia after increasing density of its hydrographical network, . Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation. 55-th issue, Riga, RTU, 2014, pp. 12-24, ISSN 1407 – 7493, (Pilns teksts)
- Spalviņš, A., Lāce, I., Appliance of Pumping Data of Wells for Obtaining Transmissivity Distributions of Aquifers for Hydrogeological Model of Latvia, Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation. 55-th issue, Riga, RTU, 2014, pp. 43-49, ISSN 1407 – 7493, (Pilns teksts)
- Krauklis, K., Šlangens, J. Special software used for implementing elements of hydrographical network into hydrogeological model of Latvia. Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation. 55-th issue, Riga, RTU, 2014, pp. 25-29, ISSN 1407 – 7493, (Pilns teksts)
2013
- Spalviņš, A., Šlangens, J., Lāce, I., Krauklis, K., Aleksāns, O. Efficient Methods Used to Create Hydrogeological Model of Latvia. International Rewiew on Modelling and Simulations (I.RE.MO.S), Vol. 6, N. 5, october 2013, Extracted by ICOMOS 2013, ( Virtual Forum, Itālija, Naples, 15.-29. jūlijs, 2013.: Praise Worthy Prize S.r.l., 2013, 1718-1726 pp., ISSN 1974-9821 (SCOPUS) (Pilns teksts)
- A. Spalvins, J. Slangens, I. Lace, K. Krauklis, O. Aleksans. 2013. Novel methods used to develop hydrogeological model of Latvia, Proceedings 27-th European Conference on Modelling and Simulation ECMS 2013, May 27-30 2013, Alesund, Norway, Printed by Digitaldruck Pirrot GmbH Germany, p. 136-143, (Pilns teksts)
- Aivars Spalvins, Janis Slangens and Inta Lace, Modeling of Groundwater Regime Changes that may be Caused by Building of Transportation Tunnel in Riga, Latvia, Journal of Communication and Computer 9 (2012) 516-522, David Publishing Company, p. 1218-1225
- Spalviņš, A., Šlangens, J., Lāce, I., K. Krauklis, O. Aleksans, V. Skibelis, A. Macans, I. Tabaka, Mapping for Gauja River Basin District by Using Results Provided by Hydrogeological Model of Latvia, Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation. 52-th issue, Riga, RTU, 2013, pp. 13-18, ISSN 2255-9124 (print), ISSN 2255-9132 (online), (Pilns teksts)
- Spalviņš, A., Šlangens, J., Lāce, I., K. Krauklis, O. Aleksans, Survey of Methods Used to Develop Hydrogeological Model of Latvia, Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation. 52-th issue, Riga, RTU, 2013, pp. 4-12, ISSN 2255-9124 (print), ISSN 2255-9132 (online) , (Pilns teksts)
- Spalviņš, A., Šlangens, J., Lāce, I., K. Krauklis, O. Aleksans, Groundwater Flow Balance of the Gauja River Basin District, Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation. 52-th issue, Riga, RTU, 2013, pp. 19-25, ISSN 2255-9124 (print), ISSN 2255-9132 (online), (Pilns teksts)
2012
- A. Spalvins, J. Slangens, I. Lace. Modelling of Groundwater Regime Changes That May be Caused by Building of Transportation Tunnel in Riga, Latvia. Journal of Communication and Computer , Volume 9, Number11, November 2012, David Publishing Company, pp. 1218-1225, ISSN 1548-7709 (print), ISSN 1930-1553 (online)
- Spalvins, J. Slangens, I. Lace, O. Aleksans, K. Krauklis, (2012), Regional Hydrogeological Model of Latvia, Preliminary Results / Newsletter of the IUGS Commission on Geoscience for Environmental Management-18, (2012), pp. 12-12
- Spalvins, A., Slangens,J., O., Aleksans, Krauklis, K., Lace, I. (2012). Regional hydrogeological model of Latvia for management of its groundwater resources, / In 5-th International scientific conference Applied information and communication technologies, 24.-26. april 2012, Jelgava, Latvia, p. 135-155 (CD) (ISBN (78-9984-48-065-7)2, (Pilns teksts).
- Spalvins, J. Slangens, I. Lace, K. Krauklis, O. Aleksans, N. Levina, (2012), Methods and software tools used to designate geometry for regional hydrogeological model of Latvia / Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation, 54-th issue, Riga, RTU, 2012, p. 13-19,( ISSN 1407 – 7493), (Pilns teksts).
- Spalvins, J. Slangens, I. Lace, K. Krauklis, (2012), Arrangement of boundary conditions for hydrogeological model of Latvia, / Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation, 54-th issue, Riga, RTU, 2012, p. 20-24, (ISSN 1407 – 7493), (Pilns teksts).
- Spalvins, J. Slangens, I. Lace, K. Krauklis, V. Skibelis,O. Aleksans, N. Levina, (2012), Hydrogeological model of Latvia, first results / Scientific Journal of Riga Technical University Boundary Field Problems and Computer Simulation, 54-th issue, Riga, RTU, 2012, p. 4-12, (ISSN 1407 – 7493), (Pilns teksts).
2011
- Burovs G. Имитационное моделирование вычислительных алгоритмов идентификации динамических процессов // Труды конференции «V (юбилейная ) всероссийская научно-практическая конференция по имитационному моделированию его применению в науке и промышленности «Имиттационное моделирование. Теория и практика» , Krievija, Sankt_Peterburga, 19.-21. oktobris, 2011. - 52.-56. lpp.
- Burovs G. Метод формирования параллельного алгоритма идентификации динамического процесса // Сборник статей XII конференции "Фундаментальные и прикладные исследования, разработка и применение высоких технологий в промышленности". Т.2, Krievija, Sankt_Peterburga, 8.-12. decembris, 2011. - 39.-43. lpp.
- Burovs G. Символьные комбинаторные модели в задачах идентификации аналоговых технических объектов // Сборник статей XI конференции "Фундаментальные и прикладные исследования, разработка и применение высоких технологий в промышленности". Том №3, Krievija, Sankt-Pēterburga, 27.-29. aprīlis, 2011. - 64.-67. lpp.
- Carkovs J. On Delayed Geometric Brownian Motion // Proceedings of the 14th Conference of the ASMDA International Society , Itālija, Roma, 7.-10. jūnijs, 2011. - 237.-244. lpp.
- Carkovs J., Liepa E. On Stability Analysis of Cocycles over Impulse Markov Dynamical Systems // Proceedings of 10ht International Conference APLIMAT`2011 , Slovākija, Bratislava, 1.-4.
- Eglīte I. Asymptotic Analysis of Stability of Slightly Curved Two-Phase Shallow Mixing Layers // Recent Researches in Mechanics, Grieķija, Korfu, 14.-16. jūlijs, 2011. - -98.--101. lpp.
- Eglīte I., Koliškins A. Linear Instability of Curved Shallow Mixing Layers // Recent Researches in Hydrology, Geology and Continuum Mechanics, Lielbritānija, Cambridge, 23.-25. februāris, 2011.- 38-41. lpp.
- Koliškina V., Volodko I. A Single-Turn Coil with Alternating Current inside a Cylindrical Region with Varying Electric Conductivity and Magnetic Permeability // Recent Research in Communications, Automation, Signal Processing, Nanotechnology, Astronomy & Nuclear Physics: 10th WSEAS International Conference on Electronics, Hardware, Wireless and Optical Communications, Lielbritānija, Kembridža, 20.-22. februāris, 2011. - 85.-88. lpp.
- Koliškina V., Volodko I. Analytical Solution of an Eddy Current Problem for a Two-Layer Tube with Varying Properties // Recent Research in Communications, Electrical & Computer Engineering, Spānija, Meloneras, 24.-26. marts, 2011. - 262.-265. lpp.
- Koliškina V., Volodko I. The Change in Impedance of a Double Conductor Line Due to a Two-Layer Medium // Recent Research in Communications & IT: 15th WSEAS International Conference on Communications, Grieķija, Kerkira, 14.-17. jūlijs, 2011. - 228.-232. lpp.
- Spalviņš A., Šlangens J., Krauklis K., Lāce I. Methods and Tools to Be Applied for Creating of Regional Hydrogeological Model of Latvia // 25th European Conference on Modelling and Simulation, Polija, Krakow, 7.-10. jūnijs, 2011. - 132.-141. lpp.,(Pilns teksts).
- Spalviņš A., Šlangens J., Lāce I., Krauklis K. Modelling of Water Supply System for the Prospective Factory of Coca-Cola Company, Latvia // The 8th International Conference on Environmental Engineering: Selected Papers, Lietuva, Vilnius, 19.-20. maijs, 2011. - 659.-665. lpp.
- Bļizņuks D., Zagurskis V. Bezvadu sensoru tīkla organizācija ātrai datu savākšanai // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 46. sēj. (2011), 45.-51. lpp.
- Burovs G. Analysis of Causes of Inefficiency of Stochastic Models of Dynamic System Identification // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 49.-55. lpp.
- Burovs G. Optimization of Algorithms for Processing Flight Information in Flight Test Stage of Aerospace Objects // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 40.-48. lpp.
- Burovs G. Symbolical Сombinatory Models of Algorithms for Processing Flight Information at the Flight Test Stage of Aerospace Objects // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 48. sēj. (2011), 82.-89. lpp
- Koliškina V., Volodko I. Analytical Solution to an Eddy Current Testing Problem for a Cylindrical Tube with Varying Properties // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 72.-75. lpp.
- Nazarovs S., Juhna T., Koliškins A. Experimental Detection of an Unauthorized Connection to a Pipeline // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 26.-29. lpp.
- Šlangens J., Krauklis K. Creating of Digital Relief Map for Regional Hydrogeological Model of Latvia // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 21.-25. lpp, (Pilns teksts).
- Spalviņš A., Nulle U. Latvijas hidroģeoloģiskais modelis pazemes dzeramā ūdens krājumu pārvaldīšanai un atveseļošanai // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 7.-13, (Pilns teksts).
- Spalviņš A., Šlangens J., Lāce I., Krauklis K., Šķibelis V. Creating of Initial Data Maps for Regional Hydrogeological Model of Latvia // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 50. sēj. (2011), 14.-20. lpp., (Pilns teksts).
- Zagurskis V., Bļizņuks D., Taranovs R. Self-Organization Paradigm at Critical Time Systems Functioning // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 46. sēj. (2011), 40.-45. lpp.
- Zagurskis V., Taranovs R., Bļizņuks D. Pilot Signal Detection in Wireless Sensor Networks // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 46. sēj. (2011), 36.-40. lpp.
- Carkovs J., Pavlenko O. Averaging, Merger, and Stability of Linear Dynamic Systems with Small Markov Jumps // Journal of Applied Mathematics. − Vol. 3, No. 2. (2010), pp. 36-43.
- Carkovs J., Jasinsky V., Malyk I. Stability in Impulsive Systems with Markov PerturbationsiIn Averaging Scheme. 3. Weak Convergence of Solutions of Impulsive Systems // Cybernetics and Systems Analysis. - Vol.47, Iss.3 . (2011) 442.-458. lpp.
- Eglīte I., Koliškins A. Linear and Weakly Nonlinear Instability of Slightly Curved Shallow Mixing Layers // WSEAS Transactions on Fluid Mechanics. - Iss.2, Vol.6. (2011) 123.-132. lpp.
- Eglīte I., Koliškins A. The Effect of Slow Variation of Base Flow Profile on the Stability of Slightly Curved Mixing Layers // Proceedings of World Academy of Science, Engineering and Technology. - ISSUE 76. (2011) 682.-685. lpp.
- Koliškina V. Impedance of an Encircling Coil Due to a Cylindrical Tube with Varying Properties // World Academy of Science, Engineering and Technology. - 76. (2011) 687.-690. lpp.
- Koliškina V., Volodko I. Solution of Eddy Current Testing Problems for Multilayer Tubes with Varying Properties // International Journal of Mathematical Models and Methods in Applied Sciences. - Vol. 5, Iss.4. (2011) 781.-788. lpp.
2010
- Koliskina V. Double Conductor Line above a Half-Space with Varying Electric and Magnetic Properties // Proc. of the 10th Int. Conf. on Nonlinear Systems and Wavelet Analysis, Tunisia, Port Kantaoui, 3May-6June, 2010. − pp. 104-108.
- Koliskina V., Volodko I. Double Conductor Line above a Two-Layer Medium with Varying Electric Conductivity and Magnetic Permeability // The 15th Int. Conf. on Mathematical Modeling and Analysis, Lithuania, Druskininkai, May 26-29, 2010.
- Spalvins A., Slangens J., Lace I., Stuopis A., Domasevicius A. Creating of Regional Hydrogeological Model for the South-East of Lithuania // XXXVIII IAH Congress Groundwater Quality Sustainability, Extended Abstracts (CD), Poland, Krakow, September 12-17, 2010. − pp. 1233-1238.
- Bļizņuks D. IEEE 802.15.4 tīklu pētīšana industriālā vidē // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 42. sēj. (2010), 68.-73. lpp.
- Burovs G. Computer-Based Modelling of Identification Algorithms // Scientific Journal of RTU . 5. sēr., Datorzinātne. - 42. sēj. (2010), 74.-82. lpp.
- Burovs G. Optimized Programming of Computing Algorithms Using Symbolical Address Structures // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 43. sēj. (2010), 1.-7. lpp.
- Burovs G. Practical Inapplicability of Identification Models That Use Gradient Methods for Parameter Adjustment // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 68.-76. lpp.
- Burovs G. Principles of Creating Parallel Algorithms for Solving Identification Problems // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 61.-67. lpp.
- Burovs G., Grundspeņķis J. Analysis of Causes of Inefficiency of Stochastic Models of Dynamic System Identification // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 43. sēj. (2010), 1.-5. lpp.
- Grundspeņķis J., Burovs G. Information Technologies for Creating Algorithms and Software for Flight Tests of Aircraft Pre-Production Designs // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 43. sēj. (2010), 122.-130. lpp.
- Koliškina V., Volodko I. Double Conductor Line above a Two-Layer Medium with Varying Electric Conductivity and Magnetic Permeability // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 77.-81. lpp.
- Spalviņš A., Lāce I. Comparison of Methods for Joining Pointwise Geological Data to Interpolation Grids // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 34.-40. lpp.
- Spalviņš A., Lāce I. Joining Pointwise Geological Data to Interpolation Grids if the Data Search Area is a Circle // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 41.-44. lpp.
- Spalviņš A., Šlangens J., Lāce I., Krauklis K. Modelling of a Drainage System Collecting Contaminated Groundwater // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 27.-33. lpp.
- Šlangens J., Krauklis K., Eglīte I. Incorporation of the Hydrographical Network into the Digital Map of the Ground Relief // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 45.-52. lpp.
- Šlangens J., Krauklis K., Eglīte I., Šķibelis V., Macans A. Matching of the ESRI Shapefile Format with the GDI Software // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 45. sēj. (2010), 53.-60. lpp.
- Carkovs J., Pavlenko O. Averaging, Merger, and Stability of Linear Dynamic Systems with Small Markov Jumps // Journal of Applied Mathematics. − Vol. 3, No. 2. (2010), pp. 36-43..
2009
- Spalviņs A., Šlangens J., Lāce I. Modelling of remedy process for the hazardous liquid waste deposit area at the Jelgava town, Latvia // Proc. of the 2nd Int. Multidisciplinary Conf. on Hydrology and Ecologie HydroEco 2009, 20 aprilis-23 oktobris, 2009, Vīne, Austrija. 10 p., pilns teksts uz CD, (Pilns teksts).
- Spalviņš A., Šlangens A., Lāce I., (2009). Modelling of sanitation process for the hazardous liquid waste deposit area "Cosmos" of the Jelgava town, Latvia / Proceedings International Conference SOIL DEGRADATION, Rīga, 2009, 100-108.lpp., (Pilns teksts).
- Nazarovs S., Juhna T., Rubulis J. Comparison of simulation tools for bacteria regrowth modeling in water distribution systems // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 33.-37. lpp., (Pilns teksts).
- Spalviņš A., Šlangens J., Lāce I., Stuopis A., Domasevicius A. Creating of regional hydrogeological model for south-east of Lithuania // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 13.-20. lpp., (Pilns teksts).
- Spalviņš A., Šlangens J., Lāce I., Krauklis K. Hydrogeological model of water supply system for the prospective factory // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 21.-28. lpp., (Pilns teksts).
- Grundspeņķis J., Burovs G. Identification of characteristics of aerospace objects and their equipment at flight test stages // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 110.-119. lpp., (Pilns teksts).
- Koliškina V., Volodko I. Impedance of a coil above a half-space with varying electric and magnetic properties // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 42.-46. lpp., (Pilns teksts).
- Grundspeņķis J., Burovs G. Information technologies for creating algorithms of indication // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 39. sēj. (2009), 105.-114. lpp., (Pilns teksts).
- Burovs G. Information technologies for increasing the usability of algorithms used during aircraft flight test stage // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 39. sēj. (2009), 115.-123. lpp., (Pilns teksts).
- Spalviņš A., Šlangens J., Lāce I., Juhna T., Kurpelis V. Ūdens atdzelžošanas modelēšana pazemes ūdens horizontam // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 7.-12. lpp., (Pilns teksts).
- Burovs G. Principles of automation of identification processes of aerospace object characteristics at the flight test stage // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 41. sēj. (2009), 120.-129. lpp., (Pilns teksts).
- Bļizņuks D. Security issues in wireless sensor networks for environmental monitoring // in aquifers // RTU zinātniskie raksti. 5. sēr., Datorzinātne. - 39. sēj. (2009), 80.-86. lpp., (Pilns teksts).
2008
- Aleksans O., Gavena I., Juhna V., Spalvins A. Artificial recharging of ground water resources experience in well field "Baltezers" (Latvia) // Proc. of Congr. "Water: Ecology and Technology, ECWATECH-2008”, June 4-5, 2008, Moscow, Russia. – pp. 1-7.
- Spalvins A., Slangens J., Janbickis R., Lace I. Hydrogeological model of the Baltezers, Rembergi and Zakumuiza water supply complex, Latvia / International Interdisciplinary Conference on Predictions for Hydrology, Ecology and Water Resources Management: Using Data and Models to Benefit Society" HydroPredict'2008,15-18 September 2008, Prague, Czech Republic, 9 Pages CD
- Aivars Spalvins, Janis Slangens, Romans Janbickis, Inta Lace. Insufficient initial data as a cause for building untrue model of TCE – contaminated Bernau place, germany / 7th International Conference Environmental Engineering, May 22-23, 2008, Vilnius, Lithuania, Vilnius Gediminas Technical University Press "Tehnika", vol (2), p.335-341.
- Spalvins, J. Slangens, R. Janbickis, I. Lace, V. Skibelis, I. Eglite
Application of transient hydrogeological modelling for optimisation of artificial infiltration system of the Baltezers well field, Latvia / 3-rd international scientific conference Applied Information and Communication Technology (AICT) April 10-12, 2008, Latvia University of Agriculture, Jelgava, 34-43.p. - A. Spalvins, J. Slangens, I. Lace. Modelling of groundwater regime changes that may be caused by building of transportation tunnel in Riga, // Scientific Proc. of Riga Technical University in series "Computer Science". Boundary Field Problems and Computer Simulation , vol. 5, 37. (50) –th issue. Riga: RTU, 2008, pp. 7-17. (ISSN 1407-7493)
- A. Spalvins, J. Slangens, I. Lace. Modelling of recovery measures for waste deposit "Cosmos" area of Jelgava town // Scientific Proc. of Riga Technical University in series "Computer Science". Boundary Field Problems and Computer Simulation , vol. 5, 37. (50) –th issue. Riga: RTU, 2008, pp. 18-27. (ISSN 1407-7493)
- R. Janbickis, K. Krauklis, I. Lace. Adaption of program REMO used for modelling hydrogeologicalproblems // Scientific Proc. of Riga Technical University in series "Computer Science". Boundary Field Problems and Computer Simulation , vol. 5, 37. (50) –th issue. Riga: RTU, 2008, pp. 28-34. (ISSN 1407-7493)
- Y. Salicis, T. Juhna, A. Spalvins. Study about possibilities to model transport of manganese in course of groundwater artificial recharge // Scientific Proc. of Riga Technical University in series "Computer Science". Boundary Field Problems and Computer Simulation , vol. 5, 37. (50) –th issue. Riga: RTU, 2008, pp. 35-40. (ISSN 1407-7493)
- T. Juhna, A. Kolyshkin, S. Nazarovs, J. Rubulis. Application of IMSL library and Epanet-MSX environment for comparisonof bacteria growth simulation results // Scientific Proc. of Riga Technical University in series "Computer Science". Boundary Field Problems and Computer Simulation , vol. 5, 37. (50) –th issue. Riga: RTU, 2008, pp. 41-46. (ISSN 1407-7493)
- Spalvins A., J.Slangens, R.Janbickis, I.Lace. Modeling of cotaminant movement for the span Jelgava - Jurmala of the Lielupe river / Starptautiskâ konference EcoBalt'2008, 15.-16. maijs, Riga, tezu krajums. - Riga: Rîgas Tehniskâ universitâte, 2008. - 26.-27.lpp.
2007
- Spalvins.A. Hidroìoloìiskais un piesâròojumu migrâcijas modelis Rîgas pazemes ûdensgûtnçm / Rîgas ûdens izpçtes darbu konference, 2007.gada 29.marts, Rîga, tçþu krâjums.- SIA "Rîgas Ûdens", 2007.
- Spalvins A., J.Slangens, R.Janbickis, I.Lace, T.Juhna. Hydrogeological Model of the Baltezers, Rembergi and Zakumuiza Water Suply / Starptautiskâ konference EcoBalt'2007, 10.-11. maijs, Rîgâ, tçþu krâjums. - Rîga: Rîgas Tehniskâ universitâte, 2007. - 93.-94.lpp.
- Spalvins A., Slangens J. Reliable data interpolation method for a hydrogeological model conductivity matrix / Sixth International Conference on "Calibration and Reliability in Groundwater Modeling. Credibility in Modelling." Vol.2, 9-13 September 2007, Copenhagen, Denmark, pages 137-142.
- Spalvins A., Slangens J.,Lace I., Janbickis R., Skibelis V., Eglite I.
MODELLING OF LOCAL CONTAMINATION MIGRATION FOR THE ZAKUMUIZA WELL FIELD / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.33, - Riga, 2007, P.102-107 (Boundary Field Problems and Computer Simulation, 49th issue) (ISBN 1407 - 7493). - Spalvins A., Slangens J.
IMPACT OF BOUNDARY CONDITIONS ON QUALITY OF HYDROGEOLOGICAL MODELS Scientific Proceedings of Riga Technical University in series "Computer Science", vol.33, - Riga, 2007, P.108-117 (Boundary Field Problems and Computer Simulation, 49th issue) (ISBN 1407 - 7493). - Spalvins A., Slangens J., Krauklis K.
UPDATING OF GEOLOGICAL DATA INTERPOLATION PROGRAMS Scientific Proceedings of Riga Technical University in series "Computer Science", vol.33, - Riga, 2007, P.118-129 (Boundary Field Problems and Computer Simulation, 49th issue) (ISBN 1407 - 7493). - Spalvins A., Slangens J.,
IMPROVED METHOD FOR CONTROLLING THE GEOLOGICAL DATA INTERPOLATION PROGRAM Scientific Proceedings of Riga Technical University in series "Computer Science", vol.33, - Riga, 2007, P.130-136 (Boundary Field Problems and Computer Simulation, 49th issue) (ISBN 1407 - 7493). - Cernajeva S., Eglite I.
ORGANIZATION OF MATHEMATICAL EDUCATION PROCESS IN THE RIGA TECHNICAL UNIVERSITY / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.33, - Riga, 2007, P.137-145 (Boundary Field Problems and Computer Simulation, 49th issue) (ISBN 1407 - 7493).
2006
- Spalvins A., J.Slangens, R.Janbickis, I.Lace. Planning Sanitation of the Polluted Incukalns Area by Appying Hydrogeological Modelling / Starptautiskâ konference EcoBalt'2006, 11.-12. maijs, Rîgâ, tçþu krâjums. - Rîga: Rîgas Tehniskâ universitâte, 2006. - 33.-34.lpp.
- Spalvins Aivars, Janis Slangens, Romans Janbickis, Inta Lace. Modelling of Water Systems for Planning of Sustainable Development / International Conference on "Geoheritage for Sustainable Development, May 27.-30. , 2006 - Druskininkai, Lithuania. Volume of Abstracts, Vilnius: 2006. - 52.-54.pages. Poster.
- Spalvins Aivars, Janis Slangens, Romans Janbickis and Inta Lace. Evalution of Contamination by Using Hydrogeological Model for the Incukalns Area, Latvia / Proceedings of the 20th European Conference on Modelling and Simulation (ESMS 2006), May 28 - 31, 2006, Bonn, Sankt Augustin, Germany. 2006. - 450.-455. pages (ISBN: 0-95530118-0-7). Full text.
- Spalvins Aivars. Risk assessment for the Baltic Region and applied management strategies: Modelling of water systems for their development and risk assessment purposes / International conference on "Technology for safe drinking water in the Baltic Region, 1st Regional Technology Platform", Riga/Jurmala - Latvia, October 5th, 2006, Abstracts, pages 13, 88.-96.
- Spalvins Aivars,Tâlis Juhna. Baltezera reìiona hidroìoloìiskais modelis un tâ izmantoðana piesâròojuma izplatîbas prognozei. / Starptautiskâ izpçtes darbu konference, ES projekts SAFAR, 2006.gada. 11.oktobris, Rîga, tçþu krâjums.- SIA "Rîgas Ûdens" un RTU, 2006.
2005
- Spalviòð A., J.Ðlangens, R.Janbickis, I.Lâce. Ventspils naftas produktu pârkrauðanas ceha teritorijas hidroìeoloìiskais modelis piesâròotâ pazemes ûdens apstrâdes optimizâcijai / Starptautiskâ konference EcoBalt'2005, 5.-6. maijs, Rîgâ, tçþu krâjums. - Rîga: Rîgas Tehniskâ universitâte, 2005. - 101.lpp.
- Spalvins Aivars, Janis Slangens, Romans Janbickis and Inta Lace. Preventing Seawater Intrusion into a Well Field of Liepaja / Proceedings of the 6th International Conference on Environmental Engineering, Edited by D.Cygas, K.D. Froehner. - May 26-27, 2005, Vilnius, Lithuania Vilnius: Vilnius Gediminas Technical University, 2005, vol.1 - p.478-483, ISBN 9986-05-850-3. Poster.
- Spalvins Aivars, Janis Slangens and Inta Lace. Interpolation for Non-regulary Located Wells of Hydrogeological Models / Proceedings of the 19th European Conference on Modelling and Simulation "Simulation in Wider Europe", ECMS 2005, Edited by Yuri Merkuryev, Richard Zobel and Eugene Kerckhoffs, - June 1-4, 2005, Riga, Latvia. Riga: Riga Technical University, 2005, - p.622-627, ISBN 1-84233-112-4 (set).
- Spalvins A., Slangens J., Janbickis R., Lace I., Juhna T.
The hydrogeological model of the Baltezers, Rembergi and Zakumuiza water supply complex / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.25, - Riga, 2005, P.108-121 (Boundary Field Problems and Computer Simulation, 47th issue) (ISBN 1407 - 7493). - Spalvins A., Slangens J., Janbickis R., Lace I., Juhna T.
Hydrogeological model for simulation of contaminant migration for the area of the 3rd and 10th infiltration pools of the Baltezers waterworks, Latvia / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.25, - Riga, 2005, P.122-133 (Boundary Field Problems and Computer Simulation, 47th issue) (ISBN 1407 - 7493). - Spalvins A., Slangens J., Janbickis R., Lace I., Skibelis V., Eglite, I., Macans, A.
Improved hydrogeological model for evaluating contaminant migration in groundwater polluted by sulphur - sludge pools at Incukalns, Latvia / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.25, - Riga, 2005, P.134-147 (Boundary Field Problems and Computer Simulation, 47th issue) (ISBN 1407 - 7493). - Spalvins A., Slangens J., Janbickis R., Lace I., Skibelis V., Eglite, I., Macans, A.
Improved hydrogeological model for evaluating contaminant migration in groundwater polluted by sulphur - sludge pools at Incukalns, Latvia / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.25, - Riga, 2005, P.134-147 (Boundary Field Problems and Computer Simulation, 47th issue) (ISBN 1407 - 7493).
2004
- Spalvins A., Slangens J., Janbickis R. and Lace I. Interpolation for Creating Hydrogeological Models / Technological Choices for Sustainability , Subhas K. Sikdar, Peter Glavic, Ravi Jain (Editors). Spriger-Verlag Berlin Heidelberg New York, 2004 - p.387-394. (ISBN 3-540-21131-4)
- Spalviòð A. Vides modelçðanas centra zinâtnisko un praktisko sasniegumu atspoguïojums / Starptautiskais Forums Baltic IT&T 2004 - Rîga, Latvija, 21.-24. Aprîlis, 2004. Posteris (vmc_1a2a.doc).
- Spalviòð A., J.Ðlangens, R.Janbickis, I.Lâce. Hidroìeoloìiskâ datormodeïa izmantoðana Liepâjas pilsçtas Otaòíu ûdensgûtnes iegûstamâ ûdens apjoma palielinâðanas pamatojumam / Starptautiskâ konference EcoBalt'2004, 6.-7. maijs, Rîgâ, tçþu krâjums. - Rîga: Rîgas Tehniskâ universitâte, 2004. - 18.lpp.
- Spalvins A., Slangens J., Janbickis R. and Lace I. Two Helpful ideas for Users of MODFLOW / Proceedings of the International Conference on "FEM, MODFLOW, and More: Solving Groundwater Problems" - 13-16 September 2004, Karlovy Vary, Czech Republic; Kovar-Hrkal-Bruthans (eds.), 2004 - p.437-440. Poster.
- Spalvins A., J.Slangens, R.Janbickis, I.Lace, I.Eglite and V.Skibelis. Hydrogeological model for the well field Otanki of Liepaja, Latvia / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.21, - Riga, 2004, P.162-171 (Boundary Field Problems and Computer Simulation, 46th issue) (ISBN 1407 - 7493).
- Spalvins A., J.Slangens, R.Janbickis and I.Lace. Two helpful ideas for users of MODFLOW / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.21, - Riga, 2004, P.172-178 (Boundary Field Problems and Computer Simulation, 46th issue) (ISBN 1407 - 7493).
- Spalvins A., J.Slangens and I.Lace. Interpolation for non-regularly located wells of hydrogeological models / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.21, - Riga, 2004, P.179-190 (Boundary Field Problems and Computer Simulation, 46th issue) (ISBN 1407 - 7493).
- Spalviòð A. Elektromodelçðanas zinâtniski pçtnieciskâs laboratorijas vçsture (1960.g.-2004.g.). Historical survey of the scientific research laboratory of electrical simulation (1960-2004) / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.21, - Riga, 2004, P.191-200 (Boundary Field Problems and Computer Simulation, 46th issue) (ISBN 1407 - 7493).
2003
- Spalviòð A., J.Ðlangens, R.Janbickis, I.Lâce, P.Hein. Modelçðana kâ nozîmîgs lîdzeklis objekta attîrîðanai Bernau apgabalâ, Vâcijâ / Starptautiskâ konference EcoBalt'2003, Rîgâ, 15.-16. maijs, tçþu krâjums. - Rîga: Rîgas tehniskâ universitâte, 2003. 1.daïa - 24-25.lpp.
- Spalvins A., J.Slangens, R.Janbickis, I.Lace, P.Hein and C.Burger. Modelling as a tool for optimization of cleaning plant structures built to remediate the TCE-contaminated Bernau place, Germany / Proceedings of the International Conference on "Groundwater in Geological Engineering, ICGGE, 2003"- 22-26 September 2003, Bled, Slovenia. RMZ - Materials and Geoenvironment, Vol. 50, No.1 - Ljubljana, 2003 - p.353-356.
- Spalvins A., J.Slangens, R.Janbickis and I.Lace. Interpolation for Creating Hydrogeological Models. / NATO Advanced Research Workshop on "Technological Choices for Sustainability". - 13-17 October 2002, Maribor, Slovenia, Springer Verlag, 2003 - 8 pages (in press).
- Spalvins A., J.Slangens, R.Janbickis, I.Lace, I.Eglite, V.Skibelis and P.Hein. Modelling of Cleaning Plant Elements for TCE-contaminated Bernau Place, Germany / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.16, - Riga, 2003, P.103-126 (Boundary Field Problems and Computer Simulation, 45th issue) (ISBN 1407 - 7493).
2002
- A.Spalviòð, J.Ðlangens, R.Janbickis, I.Lâce, O.Aleksâns, I.Selivanovs. Naftas piesâròojuma dinâmikas pçtîðana bijuðâs Rumbulas lidostas pazemes ûdeòos. Naftas savâkðanas metoþu izvçle / Latvijas universitâtes 60. zinâtniskâ konference, 2002.g. 30. janvâris, Rîga, Sekcijas: Ìeogrâfija Ìeoloìija, Vides zinâtne, - Rîga: LU, 2002. - 218.-220.lpp.
- A.Spalvins, J.Slangens, R.Janbickis, I.Lace, L.Loukiantchikova, E.Gosk. The Noginsk District (Russia) Case as an Illustration of Novel Simulation Technologies Developed for Creating Hydrogeological Models / Journal of Applied Computer Science, 2001 Volume 9 No.2, Technical University Press, Lodz, Poland, pp.69-89. (saòemts 2002.g.martâ)
- A.Spalvins. Modelling as a Powerful Tool for Predicting Hydrogeological Change in Urban and Industrial Areas / Proceedings of the NATO Advanced Research Workshop on Current Problems of Hydrogeology in Urban Areas, Urban Agglomerates and Industrial Centres, Baku, Azerbaijan 29 May-1 June 2001;(Edited by Ken W.F.Howard and Rauf G.Israfilov), 2002, Kluwer Academic Publishers, NATO Science Series IV. Earth and Environmental Science, Vol.8, pp.57-76., ISBN 1-4020-0600-4(HB), ISBN 1-4020-0601-2(PB)
- A.Spalviòð, R.Janbickis, J.Ðlangens I.Lâce, O.Aleksâns. Venspils naftas pârkrauðanas ceha drenâþas sistçmas pçtîðana ar hidroìeoloìiskâ modeïa palîdzîbu / Starptautiskâ konference EcoBalt'2002, Rîgâ, 7.-8. jûnijs, tçþu krâjums. - Rîga: Rîgas tehniskâ universitâte, 2002. - 57.lpp.
- Spalvins A., Slangens J., Janbickis R. and Lace I. Interpolation as an Important Tool for Creating Credible Hydrogeological Models / Proceedings of the 4th International Conference on "Calibration and Reliability in Groundwater Modelling, ModelCARE'2002". - 17-20 June 2002, Prague, Czech Republic, 2002 - p.84-87. Poster (1.18 MB; PDF Format - Requires Adobe Acrobat Reader).
- Spalvins A., Slangens J., Janbickis R., Lace I. and Selivanovs I. Groundwater Flow Dynamics and Light Oil Contaminant Transport for Rumbula Airbase Place, Latvia / Proceedings of the 3rd International Conference on "Water Resources and Environment Research, ICWRER'2002". - 22-25 July 2002, Dresden, Germany, vol. 2, 2002 - p.193-197.
- Spalvins A., Slangens J., Janbickis R. and Lace I. Interpolation as an Important Tool for Creating Credible Hydrogeological Models / Book of Abstracts of the NATO Advanced Research Workshop on "Technological Choices for Sustainability" . - 13-18 Oct 2002, Maribor, Slovenia, 2002 - p.35.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, P. Hein. Modelling of Remeditation Tools for the Contaminated Bernau Place, Germany / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.12, - Riga, 2002, P.20-28 (Boundary Field Problems and Computer Simulation, 44th issue) (ISBN 1407 - 7493).
- Spalvins A., J. Slangens, R. Janbickis, I. Lace. Novel Interpolation Tools for Creating Hydrogeological Models / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.12, - Riga, 2002, P.29-35 (Boundary Field Problems and Computer Simulation, 44th issue) (ISBN 1407 - 7493).
2001
- The Noginsk District (Russia) Case as an Illustration of Novel Simulation Technologies Developed for Creating Hydrogeological Models / A.Spalvins, J.Slangens, R.Janbickis, I.Lace, L.Loukiantchikova, E.Gosk, / Proceedings of the 10th International Conference on System-Modelling-Control, Zakopane, Poland, May 21-25, 2001. - Lodz, 2001. - Vol.2. - P.225-230.
- A.Spalviòð, J.Ðlangens, R.Janbickis, I.Lâce. Hidroinformâtikas metodes pazemes ûdens plûsmu modelçðanai vides aizsardzîbas projektos / II Pasaules latvieðu zinâtnieku kongress: tçþu krâjums, Rîga, 2001.g. 14.-15. aug. - Rîga: Latvijas Zinâtòu akademija, 2001. 531 lpp. ISBN 9984-9542-0-X.
- Spalvins A. Ground Surface Elevation Maps as Essential Boundary Condition in Reliable Hydrogeological Models / Proceedings of the XXXI International Association of Hydrogeologists Congress on New Approaches Characterizing Groundwater Flow, 10-14 September 2001, Munich, Germany. - Klaus-Peter Seiler & Stefan Wohnlich (eds), 2001, Balkema, Netherlands, - Vol.1 - P.405-408, ISBN 90 2651 848 X.
- A.Spalviòð, J.Ðlangens, R.Janbickis, I.Lâce, O.Aleksâns, I.Selivanovs. AVIÂCIJAS DEGVIELAS IZRAISÎTÂ PAZEMES ÛDEÒU PIESÂRÒOJUMA MODELÇÐANA BIJUÐÂJÂ RUMBULAS LIDOSTÂ (MODELLING OF GROUNDWATER CONTAMINATION CAUSED BY AVIATION FUEL FOR FORMER RUMBULA AIRBASE) / Starptautiskâ konference Eco-Balt'2001: tçþu krâjums, Rîga, 2001.g. 14. sept. - Rîga: Rîgas tehniskâ universitâte, 2001.- 77.-78.lpp. (Internetâ - http://www.ecobalt.lv/ecobalt/eb2001/40-spalvins.pdf)
- A.Spalviòð, J.Ðlangens, R.Janbickis, I.Lâce, I.Eglîte. PAZEMES ÛDENS PLÛSMU MODELÇÐANA VIDES AIZSARDZÎBAS PROJEKTOS (MODELLING OF GROUNDWATER FLOWS FOR ENVIRONMENT PROTECTION PROJECTS) / RTU 42. starptautiskâ zinâtniskâ konference: referâtu tçzes, 2001.g. 11.-13. okt., Rîga. Sekcija: Datorzinâtne. - Rîga: RTU, 2001. - 62.-63.lpp. (ISBN 9984-681-35-1)
- A.Spalviòð, J.Ðlangens, R.Janbickis, I.Lâce, O.Aleksâns, I.Selivanovs. PAZEMES ÛDENS PLÛSMAS UN NAFTAS PIESÂRÒOJUMU MIGRÂCIJAS MODELÇÐANA BIJUÐÂS RUMBULAS LIDOSTAS TERITORIJAI (MODELLING OF GROUNDWATER FLOW AND OIL CONTAMINANT MIGRATION FOR PLACE OF FORMER RUMBULA AIRBASE) / RTU 42. starptautiskâ zinâtniskâ konference: referâtu tçzes, 2001.g. 11.-13. okt., Rîga. Sekcija: Datorzinâtne. - Rîga: RTU, 2001. - 64.-65.lpp. (ISBN 9984-681-35-1)
- A.Spalviòð, J.Ðlangens, R.Janbickis, I.Lâce, P.Hein. SMAGO OGÏÛDEÒRAÞU PIESÂRÒOJUMA KUSTÎBAS MODELÇÐANA PAZEMES ÛDENS PLÛSMAI BERNAU OBJEKTÂ VÂCIJÂ (MODELLING MIGRATION OF DENSE HYDROCARBONS IN GROUNDWATER FLOW AT BERNAU SITE, GERMANY) / RTU 42. starptautiskâ zinâtniskâ konference: referâtu tçzes, 2001.g. 11.-13. okt., Rîga. Sekcija: Datorzinâtne. - Rîga: RTU, 2001. - 66.-67.lpp. (ISBN 9984-681-35-1)
- Spalvins A., R. Janbickis, J. Slangens, I. Lace. Matematical Modelling as an Important Part of Environmental Projects Dealing with Groundwater / Materials of NordSoil's 2nd Nordic-Baltic Conference on " Possibilities for co-operation between the Nordic and the Baltic countries in solving soil and groundwater problems - R&D projects and business opportunities".- Tallinn, Estonia, 24-27 October, 2001, - Tallinn, 2001.- 1 p.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, I. Eglite, V. Skibelis, A. Macans. Know - How Technologies Developed for Modelling Hydrogeological Processes / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.7, - Riga, 2001, P.109-123 (Boundary Field Problems and Computer Simulation, 43rd issue) (ISBN 1407 - 7493)
- Spalvins A., J. Slangens, R. Janbickis, I. Lace. Modelling of Dissolved Oil Product Migration in Groundwater at the Former Rumbula Airbase, Latvia / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.7, - Riga, 2001, P.124-137 (Boundary Field Problems and Computer Simulation, 43rd issue) (ISBN 1407 - 7493)
- Spalvins A., J. Slangens, R. Janbickis, I. Lace. New Subsidiary Tools for the Modeling System REMO / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.7, - Riga, 2001, P.138-142 (Boundary Field Problems and Computer Simulation, 43rd issue) (ISBN 1407 - 7493)
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, P. Hein. Modelling of Groundwater Flow Dynamics and Contaminant Transport Processes for the Bernau Area, Germany / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.7, - Riga, 2001, P.143-154 (Boundary Field Problems and Computer Simulation, 43rd issue) (ISBN 1407 - 7493)
2000
- Spalvins A. Case Study in Latvia / Materials of NordSoil Conference on " Soil and Groundwater Pollution: Expanding Possibilities for Nordic-Baltic Co-operation". - Vilnius, Lithuania, 13-15 April, 2000, -Vilnius, 2000.- p.83. ISBN 9986-623-28-6.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, A. Zilans and I. Selivanovs. Investigation and Remediation of Oil Contaminated Area of Former Rumbula Airbase, Latvia / Materials of NordSoil Conference on " Soil and Groundwater Pollution: Expanding Possibilities for Nordic-Baltic Co-operation".- Vilnius, Lithuania, 13-15 April, 2000, - Vilnius, 2000.- p.85-88. ISBN 9986-623-28-6.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace and O. Aleksans. Mathematical Models as Powerful Tools to Optimize Remediation Measures for Sulphur Acid Waste Pools at Incukalns, Latvia / Materials of NordSoil Conference on " Soil and Groundwater Pollution: Expanding Possibilities for Nordic-Baltic Co-operation".- Vilnius, Lithuania, 13-15 April, 2000, -Vilnius, 2000.- p.89-91. ISBN 9986-623-28-6.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, L. Loukiantchikova and E. Gosk. Novel Modelling Technologies Developed and Applied for Investigating Groundwater Production and Contamination Processes / Materials of NordSoil Conference on " Soil and Groundwater Pollution: Expanding Possibilities for Nordic-Baltic Co-operation". - Vilnius, Lithuania, 13-15 April, 2000, -Vilnius, 2000.- p.93-94. ISBN 9986-623-28-6.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, A. Marcionis and A. Stuopis. Modelling of Groundwater Flow Dynamics and Contamination Transport Processes at the Vilnius Oil Storage area / Proceedings of the TraM'2000 Conference on "Tracers and Modelling in Hydrogeology". - 23-26 May 2000, Liege, Belgium, - IAHS Publ. no 262, 2000, p.97-102.
- Spalvins A. Mathematical Modelling of Contaminated Groundwater Dynamics, as an Interdisciplinary Art / Proceedings of the International Conference on "EcoBalt'2000". - 26-27 May 2000, Riga, Latvia, - Riga, 2000, vol.2, p.87-88.
- Loukiantchikova L., E. Gosk, A. Spalvins, J. Slangens, R. Janbickis and I. Lace. Development of the Hydrogeological Model for Investigating the Impact of Contaminant Sources in the Noginsk District, Russia / Proceedings of the International Conference on "Groundwater Research - Groundwater'2000", 6-8 June 2000, Copenhagen, Denmark. - Rosbjerg et al. (eds) © 2000 Balkema, Rotterdam, ISBN 90 5809 133 3. Poster (2.65MB; PDF Format - Requires Adobe Acrobat Reader).
- Spalvins A., J. Slangens, R. Janbickis, I. Lace and E. Gosk. Methods for Improving Verity of Groundwater Modelling / Proceedings of the 16th IMACS World Congress 2000, 21-25 August 2000, Lausanne, Switzerland. - M.Deville and R.Owens (eds), 6 pages, on CD-ROM, ISBN 3-9522075-1-9.(115KB; PDF Format - Requires Adobe Acrobat Reader); Index of the CD-ROM (Word Format).
- Spalvins A., I. Lace, J. Slangens, R. Janbickis. Improving Verity of Hydrogeological Models Due to Heuristic Human Skills Applied Within Man-Computer Systems / Proceedings of the International Conference on "Simulation, Gaming, Training and Business Process Reengineering in Operations", 8-9 September, 2000, Riga, Latvia. - Yuri Merkuryev, Birgeger Rapp and Galina Merkuryeva (eds), 2000, Riga, p.266-270, ISBN 9984-681-64-5.
- Spalvins A., R. Janbickis. Misfortunes of zone scheme applied for storing hydrogeological data / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.4, - Riga, 2000, P.28-31 (Boundary Field Problems and Computer Simulation, 42nd issue) (ISBN 1407 - 7493)
- Spalvins A., J. Slangens, R. Janbickis. Boundary shells of hydrogeological models as interpolation devices / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.4, - Riga, 2000, P.32-34 (Boundary Field Problems and Computer Simulation, 42nd issue) (ISBN 1407 - 7493)
- Slangens J., Spalvins. Creating reliable program for preparing line data of hydrogeological models / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.4, - Riga, 2000, P.35-40 (Boundary Field Problems and Computer Simulation, 42nd issue) (ISBN 1407 - 7493)
- Lace I., A. Spalvins. Incorporating geological sections in hydrogeological models / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.4, - Riga, 2000, P.41-46 (Boundary Field Problems and Computer Simulation, 42nd issue) (ISBN 1407 - 7493)
- Spalvins A. Landscape elevation maps as reliable boundary condition for hydrogeological models / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.4, - Riga, 2000, P.47-50 (Boundary Field Problems and Computer Simulation, 42nd issue) (ISBN 1407 - 7493)
- A. Spalvins, J. Slangens, R. Janbickis, I. Lace, E. Gosk, L. Loukiantchikova. New simulation technologies applied for creating hydrogeological model of Noginsk District, Russia / Scientific Proceedings of Riga Technical University in series "Computer Science", vol.4, - Riga, 2000, P.51-57 (Boundary Field Problems and Computer Simulation, 42nd issue) (ISBN 1407 - 7493)
1999
- I.Semjonovs, J.Gobins, A.Spalvins, I.Meirovics. Treatment of Sulpfuric Acid Tar Waste Disposal Sites in Incukalns, Latvia / Proceedings of UN/ECE-Interchimie'99 Seminar on "Analysis, Methodology of Treatment and Remediation of Polluted Soils". - 13-15 April 1999, Paris, 1999 - p.143-144. Full text (0.094 MB; PDF Format - Requires Adobe Acrobat Reader).
- Aivars Spalvins, Ivans Semjonovs, Edmund Gosk, Janis Gobins and Olgerts Aleksans. Development of a Mathematical Model for Contamination Migration in the Area of the Sulphur-Tar Sludge Waste Pools in Incukalns, Latvia / Proceedings of XXIX International Association of Hydrogeologists Congress on "Hydrogeology and Land Use Management". - 6-10 September 1999, Bratislava, Slovak Republic, 1999 - p.253-258. Full text (0.236 MB; PDF Format - Requires Adobe Acrobat Reader).
- Spalvins A., Slangens J., Janbickis R. and Lace I. Reducing of Model Formulation Errors as an Effective Remedy for Improving Simulation Results / Proceedings of International Conference on "Calibration and Reliability in Groundwater Modelling, ModelCARE'99". - 20-23 September 1999, Zurich, Switzerland, 1999 - p.161-166. Full text (0.032 MB; PDF Format - Requires Adobe Acrobat Reader).
- Spalvins A., R. Janbickis, J. Slangens, I. Lace, I. Eglite, A. Marcinonis and A. Stuopis. Modelling of Dissolved Hydrocarbon Migration at Area of Vilnius Oil Storage, Lithuania / Environmental Simulation. - Riga: Riga Technical University, 1999. - p. 36-43. (Boundary Field Problems and Computer Simulation; 41-st issue). ISBN 9984-681-72-6.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace, V. Skibelis, E. Gosk, O. Aleksans and I. Semjonovs. Creating of Regional and Local Hydrogeological Models for Waste Deposit Pools in Incukalns, Latvia / Environmental Simulation. - Riga: Riga Technical University, 1999. - p.44-56. (Boundary Field Problems and Computer Simulation; 41-st issue). ISBN 9984-681-72-6.
- Spalvins A., J. Slangens, R. Janbickis, I. Lace and A. Macans. Rational Preprocessing of Initial Data Enables to Create Credible Hydrogeological Models / Environmental Simulation. - Riga: Riga Technical University, 1999. - p. 57-67. (Boundary Field Problems and Computer Simulation; 41-st issue). ISBN 9984-681-72-6.
- Sjobacka T., R. Janbickis and A. Spalvins. Hydrogeological Modelling of Subsurface LNAPL Recovery in the Former Airbase Rumbula, Latvia / Environmental Simulation. - Riga: Riga Technical University, 1999. - p. 68-84. (Boundary Field Problems and Computer Simulation; 41-st issue). ISBN 9984-681-72-6.
1998
- Spalvins A., Slangens J., Janbickis R. Preprocessing of Initial Data for
Creating Hydrogeological Models / Proceedings of the 9th International Symposyum
on "System-Modelling-Control". - April 27 - May 1, 1998,
- Zakopane, Poland, 1998. - 7 P.(on SMC'98 CD ROM), ISBN-83-909161-0-X.
Full text (0.626MB; PDF Format - Requires Adobe Acrobat Reader).
- Aivars Spalvins, Janis Slangens, Romans Janbickis, Inta Lace, Olgerts Aleksans, Peteris Snitko. Simulation of Oil Contamination Migration in Area of Sewage Water Treatment Plant of Venspils Seaport / Proceedings of International Workshop on "Modelling and Simulation Within a Maritime Environment". - September 6-8,1998, Riga, Latvia, A Publication of the Society for Computer Simulation International (SCS), 1998 - P.48-50, ISBN-1-56555-132-X. Full text (0.15MB; PDF Format - Requires Adobe Acrobat Reader).
- Aivars Spalvins, Janis Slangens, Romans Janbickis, Inta Lace. Transport Modelling in Groundwater for Some Petroleum Hydrocarbon Contaminated Places in Latvia / Proceedings of International Conference and Special Seminars on "Groundwater Quality: Remediation and Protection". - September 21-25,1998, Tubingen, Germany, 1998 - P.130-131 (Tubingen Geowissenschaftliche Arbeiten, No 36, 1998, Mike Herbert and Karel Kovar Eds.) Full text, Title pages of Proceedings books, Photo (0.527MB; PDF Format - Requires Adobe Acrobat Reader).
- A.Spalvins, J.Slangens, R.Janbickis, I.Lace, E.Gosk. Modelling Prospective Wells Fields for the Water Supply of Riga / Proceedings of International Conference on "Development of Deep Aquifers and Problems of Drinking Water Treatment". - 7-9 October 1998, Klaipeda, Lithuania. - Vilnius, 1998 - p.57-59. Full text (0.961MB; PDF Format - Requires Adobe Acrobat Reader).
- A.Spalvins. Mass Transport Modelling in Groundwater Studies. Achievements of Latvian Scientists / F.Fonnum, B.Paukstys, B.A.Zeeb and K.J.Reimer(eds.), Environmental Contamination and Remediation Practices at Former and Present Military Bases.- NATO Science Series 2: Environmental Security - Vol.48, - Kluwer Academic Publishers, Printed in the Netherlands, 1998 - P.123-142, ISBN 0-7923-5247-5 HB; ISBN 0-7923-5248-3 PH.
1997
- Spalvins A., R.Janbickis, J.Slangens, O.Aleksans, A.Zilans. Modelling Petroleum Hydrocarbon Contaminated Ground Water in the Costal Zone of the Baltic Sea. // Contribution Abstracts of the International practical-scientific Seminar on "Oil Terminals in the Eastern Baltic - Environmental Problems", Latvia, Jurmala, May 29 - June 2, 1997. - P.24 and P.52 (bilingual: Latvian and English).
- Spalvins A.Hydrogeological Model "Large Riga". Atlas of Maps // Journal of the State Geological Survey of Latvia. - Riga, 1997. - Vol.2, - P.44-45.
- Aleksans O. ,A.Zilans, A.Spalvins, R.Janbickis, J.Slangens. Modelling Oil Product Contaminated in the Rumbula and Ilukste Objects // People. Environment. Resources / Abstracts, 56th Conference of the Latvian University. - Riga, 1997. - P 4.(in Latvian).
- Gregorauskas M., A.Spalvins. Mass Transport Modelling in Groundwater Achievements of Lithuanian and Latvian Hydrogeologists // Presentation in NATO Advanced Research Workshop on Environmental Contamination and Remediation Practices at Former and Present Military Bases. - Lithuania, Vilnius, October 12-18, 1997, - 20 p.(in press)
- Spalvins A.,I.Lace. Estimating of Free and Trapped Oil Volumes for Light Hydrocarbon Plumes in Groundwater / Environment Modelling Technologies. - Riga: Riga Technical University, - 1997. - P. 50-59. (Boundary Field Problems and Computers; 40-th issue).
- Spalvins A., J.Slangens, R.Janbickis, I.Lace, A.Zilans, J.Gobins, I.Selivanovs. Experiments with the ARMOS Code on Modelling RUMBULA and ILUKSTE Oil Contaminated Places / Environment Modelling Technologies. - Riga: Riga Technical University, - 1997. - P. 60-84. (Boundary Field Problems and Computers; 40-th issue).
- Janbickis R., I.Lace. Data Processing Technologies for the Regional Hydrological Model / Environment Modelling Technologies. - Riga: Riga Technical University, - 1997. - P. 85-89. (Boundary Field Problems and Computers; 40-th issue).
- Spalvins A. Why is the International Series "Boundary Field Problems and Computers" Still Living? Editor's Note / Environment Modelling Technologies. - Riga: Riga Technical University, - 1997. - P.140-141. (Boundary Field Problems and Computers; 40-th issue).
1996
- Spalvins A., R.Janbickis, J.Slangens, E.Gosk, I.Lace, Z.Viksne, J.Atruskievics, N.Levina, J.Tolstovs. Hydrogeological Model "Large Riga". Atlas of Maps. - Riga-Copenhagen, 1996. - 102 p. (Boundary Field Problem and Computers; 37-th issue; bilingual: Latvian and English).
- Aivars Spalvins, Janis Slangens, Romans Janbickis. Creating detailed solution subregions by applying network lenses // Proc. of the XIV Symposium on "Electromagnetic Phenomena in Nonlinear Circuits", - Poznan, 1996. - P. 125 - 130.
- A.Spalvins, E.Gosk, E.Grikevich, J.Tolstov (Editors). Modelling new well fields for providing Riga with drinking water. - Riga-Copenhagen, 1996. - 40 p. (Boundary Field Problem and Computers; 38-th issue).
- A.Spalvins. Hydrogeological Model "Large Riga" Atlas of maps. // Baltic Electronics (Technical journal). - June 1996. - Vol. 2, No 2. - P. 14.
- Spalvins A., I. Lace and J. Slangens. Interpolation results on high density grids // Environment Modelling. - Riga: Riga Technical University, - 1996. - P. 46-49. (Boundary Field Problems and Computers; 39-th issue).
- A.Spalvins, R.Janbickis, J.Slangens, E.Gosk. Hydrogeological Model for Evaluting Groundwater Resources of the Central Region of Latvia // Proc. of the 10. Symposium on "Simulationstechnik", - Dresden, 1996, - P.349-354.
- Janbickis R. and I. Lace. Software arrangements of the regional hydrogeological model REMO // Environment Modelling. - Riga: Riga Technical University, - 1996. - P. 50-58. (Boundary Field Problems and Computers; 39-th issue).
1995
- Janbickis R., J.Slangens, A.Spalvins, E.Gosk. Regional hydrogeological model "Large Riga"/ Proc. of the Symp. on "System-Modelling-Control '95" - Lodz, 1995. - Vol. 1. - P. 351 - 356.
- Spalvins A., R.Janbickis, J.Slangens, E.Gosk, I.Lace, Z.Viksne, J.Atruskievics, N.Levina, J.Tolstovs. Development of regional hydrogeological model "Large Riga" // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 145.- 158.
- Spalvins A., J.Slangens. Local interpolation of geological environment data // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 159 - 174.
- Spalvins A., J.Slangens. Updating of geological data interpolation programme // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 175 - 192.
- Atruskievics J., Z.Viksne, A. Spalvins, I.Lace. Lakes and rivers algorithms in the hydrogeological model "Large Riga" // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 193 - 200.
- Lace I., A. Spalvins, J.Slangens. Algorithms for accounting groundwater discharge in the regional hydrogeological model and interpolating of simulation results at observation wells // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 201 - 216.
- Spalvins A., R.Janbickis. Algorithms for calibrating regional hydrogeological model "Large Riga" // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 217 -226.
- Skibelis V. and V.Rode. High accuracy technologies for processing cartographic data // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 2 - P. 333 - 336.(in Russian)
- Rode V., L.Niceckis and V.Skibelis . Digitization of graphical data for groundwater flow models // Boundary Field Problems and Computers. / Proc. of International Seminar on "Environment Modelling". - Riga - Copenhagen, 1995. - Vol. 1. - P. 337 - 340. (in Russian)
1994
- A.Spalvins, J.Slangens. Comparison of different numerical methods used for solving the inverse problem in hydrogeology // Abstracts, Latvian-Danish Seminar "Groundwater and Geothermal Energy", April 13-15, 1994, Jurmala . - Riga, 1994. - P.33.
- A.Spalvins. Numerical interpolation of boundary conditions for hydrogeological computer models // Abstracts, Latvian-Danish Seminar "Groundwater and Geothermal Energy", April 13-15, 1994, Jurmala . - Riga, 1994. - P.34.
- A.Spalvins, J.Slangens. Numerical interpolation of geological data for hydrogeological computer models // Abstracts, Latvian-Danish Seminar "Groundwater and Geothermal Energy", April 13-15, 1994, Jurmala . - Riga, 1994. - P.39.
- J.Atruskievics, R.Janbickis, I.Lace, N.Levina, A.Spalvins, Z.Viksne. // Abstracts, Latvian-Danish Seminar "Groundwater and Geothermal Energy", April 13-15, 1994, Jurmala . - Riga, 1994. - P.40. - 42.
- R.Janbickis, I.Lace. Simulation of flow and evaluation of geothermal exploitable resources in the thermal groundwater reservoirs of Eleja anomalous zone // Abstracts, Latvian-Danish Seminar "Groundwater and Geothermal Energy", April 13-15, 1994, Jurmala . - Riga, 1994. - P.52. - 53.
- R.Janbickis, A. Spalvins, J.Slangens. Modified cyclic reduction iterative methods for solving nonlinear problems // Proc. of the XIII Symposium on "Electromagnetic Phenomena in Nonlinear Circuits", - Poznan, 1994, - P.71 - 75.
- Spalvins A., J.Slangens. Comparison of numerical methods used for hydrogeological models // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 2. - P. 129-148.
- Spalvins A., Interpolation of boundary conditions for hydrogeological models // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 2. - P. 149-160.
- Spalvins A., J.Slangens. Numerical interpolation of geological environment data // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 2. - P. 181-196.
- Spalvins A. Approximation of dispersed hydrogeological boundary conditions // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 2. - P. 197-202.
- J.Atruskievics, R.Janbickis, T.Krutofal, I.Lace, N.Levina, J.Slangens, A.Spalvins, Z.Viksne. Computer based Regional Hydrogeological Model "Large Riga" // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 2. - P. 203-224.
- Janbickis R., I.Lace. Evaluation of geothermal exploitable resources and simulation of thermal groundwater reservoirs of Eleja anomalous zone // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 2. - P. 305-310.
- Rode V. Computer based processing of graphical hydrogeological information // Boundary Field Problems and Computers./ Proc. of Latvian-Danish Seminar on "Groundwater and Geothermal Energy". - Riga - Copenhagen, 1994. - Vol. 3. -.333-336. (in Russian)
1993
- Janbicka A., Spalvins A., Slangens J. Implementation of the Nested Factorization Conjugate Gradient method on a spatial grid // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P.35 - 41, (in Latvian).
- Janbickis R. Software arrangements for the first stage of computerization for the hydrogeological mode "Big Riga" // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P.42 - 53, (in Latvian).
- Spalvins , J.Slangens. Modified cyclic reduction iterative methods for solving elliptic partial differential equations on two-dimensional regions // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P.54.- 89.
- Spalvins. Modified cyclic reduction methods for solving inverse boundary problems of hydrogeology // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P. 90.- 103.
- Janbickis R., Spalvins A. Calibration algorithms for adjusting elements of an inverse hydrogeology problem difference system // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P.104 - 110, (in Latvian).
- Lace I., Janbickis R., Anikejeva R., Freimanis. A. Filtration simulation for pressure thermal underground water reservoirs and evaluation of their exploitation resources. // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P.110 - 125, (in Latvian).
- Rode.V., Skibelis V. The system for large scale cartographic information input and processing // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P.153 - 157, (in Latvian).
- Spalvins. Application of boundless shell-like parallel computer nets in specialized field problem solvers // Boundary field problems and computers. Numerical simulation for hydrogeology. - Riga, 1993. - P. 126.- 132.