Presentations

PUMa presentations in English

We have collected here our most recent presentation materials prepared by team members in English, including both posters as well as slides from oral presentations.   Our presentations from EGU 2012:

• Reconstructing the groundwater flow in the Baltic Basin during the Last glaciation, T. Saks, J. Senņikovs, A. Timuhins, and A. Kalvāns
• Past, present and future formation of groundwater resources in northern part of Baltic Artesian Basin, A. Marandi, L. Vallner, R. Vaikmae, and V. Raidla
• Genetic approach to reconstruct complex regional geological setting of the Baltic basin in 3D geological model, K. Popovs, T. Saks, J. Ukass, and J. Jatnieks
• Evolution of groundwater composition in the depression cone of Riga region, B. Raga, A. Kalvans, A. Delina, E. Perkone, and I. Retike
• Hydraulic conductivity of sandstones in the Baltic Basin - a comparative study of pumping tests and grain size distribution, E. Pērkone, J. Bikše, J. Jātnieks, I. Klints, A. Dēliņa, T. Saks, B. Raga, and I. Retiķe
• Scalable Generalization of Hydraulic Conductivity in Quaternary Strata for Use in a Regional Groundwater Model, J. Jatnieks, K. Popovs, I. Klints, A. Timuhins, A. Kalvans, A. Delina, and T. Saks
• The general description of major ion concentrations in groundwater of Latvia, A. Kalvāns and A. Dēliņa
• Use of regional climate models data for groundwater recharge modelling in Baltic artesian basin, A. Timuhins, I. Klints, J. Seņņikovs, and J. Virbulis
• Studies and projections of hydraulic conductivity of Devonian Plavinu and Daugava carbonate aquifers in Latvia, E. Pērkone, A. Dēliņa, T. Saks, B. Raga, J. Jātnieks, I. Klints, K. Popovs, A. Babre, J. Bikše, A. Kalvāns, I. Retiķe, and J. Ukass
• PUMa - modelling the groundwater flow in Baltic Sedimentary Basin, G Kalvane, A. Marnica, and U Bethers
• Lithological Uncertainty Expressed by Normalized Compression Distance, J. Jatnieks, T. Saks, A. Delina, and K. Popovs
• Trace element content, source and distribution regularities in groundwater of Baltic Artesian basin, I. Retike, A. Kalvans, A. Delina, A. Babre, B. Raga, E. Perkone, and J. Bikse
• Calibration of the hydrogeological model of the Baltic Artesian Basin, J. Virbulis, I. Klints, A. Timuhins, J. Sennikovs, and U. Bethers
• Reconstruction of groundwater formation in the Baltic Artesian basin through water stable isotopes, A. Babre, A. Delina, and I. Retike
• Modelling of the groundwater flow in Baltic Artesian Basin, J. Virbulis, J. Sennikovs, and U. Bethers
• Impact of the climate change to shallow groundwater in Baltic artesian basin, D Lauva, P Bethers, A Timuhins, and J Sennikovs
• Modeling Urban Flood Risk Territories for Riga City, J.Seņņikovs, J.Virbulis, P.Bethers, A.Piliksere, A.Valainis, U.Bethers
• The Interaction Between Groundwater Fluctuations and Nitrate Nitrogen Concentrations: case study in Latvia., A. Veinbergs, V. Vircavs, K. Abramenko, D. Lauva, Z. Dimanta, I. Vītola, and A. Gailuma
• Thickness reconstruction of layers by 3D geometrical model to characterize Caledonian tectonic complex and data in Latvia, J. Ukass, T. Saks, K. Popovs
• Nitrogen and phosphorus trend analysis in Latvia agricultural monitoring stations, Z. Dimanta, V. Vircavs, A. Veinbergs, K. Abramenko, D. Lauva, I. Vītola, A. Gailuma
• Recession curve analysis for groundwater levels: case study in Latvia, A. Gailuma, I.Vītola, K. Abramenko, D. Lauva, V.Vircavs, A.Veinbergs, Z. Dimanta
• The uncertainty of future annual long-term annual long-term groundwater table fluctuation regime in Latvia, D. Lauva, I.Grīnfelde, A. Veinbergs, K.Abramenko 

Presentations from Nordic Water 2012, Oulu:

• Estimation of hydraulic conductivity of the sandstones in the central Baltic Artesian Basin, Eleonora Pērkone, Ilze Klints, Tomas Saks, Aija Dēliņa, Jānis Bikše, Jānis Jātnieks, Baiba Raga, Inga Retiķe
• Groundwater chemistry changes in Gauja aquifer in depression cone in Riga region, Latvia, Baiba Raga, Andis Kalvāns, Aija Dēliņa, Inga Retiķe, Eleonora Pērkone
• Impact of the climate changes to shallow groundwater in Baltic artesian basin, Didzis Lauva, Pēteris Bethers, Andrejs Timuhins, Juris Seņņikovs
• Climate Change in a Part of Northern Europe in the Context of the Spatial Differences of the Contemporary Climate, Daiga Cepīte-Frišfelde, Tija Sīle, Uldis Bethers, Juris Seņņikovs, Andrejs Timuhins
• Seepage tracing by stable isotopes and groundwater modelling: example of Plavinas hydro power plant, Latvia, Alise Babre, Konrāds Popovs, Āris Andersons, Mārtiņš Grava, Aija Dēliņa
• Evolution of groundwater chemical composition through Quaternary sediments in Latvia, Inga Retiķe, Baiba Raga, Andis Kalvāns, Alise Babre, Aija Dēliņa,Eleonora Pērkone
• Mathematical estimation of shallow groundwater fluctuations under different aquifer characteristics, Artūrs Veinbergs, Didzis Lauva, Valdis Vircavs, Kaspars Abramenko, Zane Dimanta, Ilva Vītola and Agnese Gailuma
• Agricultural impact on groundwater quality in south west Latvia, Valdis Vircavs, Artūrs Veinbergs, Didzis Lauva, Kaspars Abramenko, Zane Dimanta, Ilva Vītola and Agnese Gailuma

JESIUM 2012:

• Mechanisms of groundwater recharge in the baltic artesian basin, Alise BABRE, Rein Vaikmäe, Tõnu MARTMA, Konrāds POPOVS, Aija DĒLIŅA

 70th Scientific Conference of the University of Latvia, Session of Geology Section „Groundwater in Sedimentary Basins”:

• The state of art and new trends in application of isotope-geochemistry for groundwater research - Rein Vaikmäe
• The specifics of hydrogeological parameters determining for two-phase liquids flow in the porous media - Oļģerts Aleksāns
• Towards "realistic" fault zones in a 3D structure model of the Thuringian Basin, Germany - Jonas Kley, Alexander Malz, Stephan Donndorf
• Limits and presuppositions on creating and use of the regional hydrogeological model of Latvia - Aivars Spalviņš, Riga Technical University
• Sensitivity of hydrogeological model to the surface roughness and spatial variability of hydraulic conductivity - Juris Seņņikovs, Andrejs Timuhins, Jānis Virbulis
• Transient modelling of groundwater dynamics in the Baltic Artesian Basin - Jānis Virbulis, Juris Seņņikovs
• Formation of groundwater in sedimentary basins: traditional and alternative models - Albertas Bitinas
• Water filled underground oil shale mines as a heat source - Veiko Karu, Jana Pavlenkova
• Reconstructing the Groundwater Flow in the Baltic Basin During the Last Glaciation - Tomas Saks, Juris Seņņikovs, Andrejs Timuhins, Andis Kalvāns
• Evolution of groundwater composition in the depression cone of the Riga region - Baiba Raga, Andis Kalvāns, Aija Dēliņa, Eleonora Pērkone, Inga Retiķe
• Application of stable isotope content in groundwater to validate the results of the hydrogeological model of the Baltic Artesian Basin - Alise Babre, Aija Dēliņi
• The analysis of groundwater quality problems in Baltic Sea region countries - Valdis Vircavs, Zane Dimanta, Didzis Lauva, Kaspars Abramenko, Artūrs Veinbergs, Agnese Gailuma, Ilva Vītola
• The visualisation of groundwater chemical composition using the RGB scale. An example from the D12 aquifer, Latvia - Andis Kalvāns
• Credibility criteria of the results of underground water analysis - Jānis Teterovskis, Andis Kalvāns
• Trace elements in groundwater in Latvia: existing data and first new results - Inga Retiķe, Andis Kalvāns, Aija Dēliņa, Alise Babre, Baiba Raga, Eleonora Pērkone
• Recession curve analysis approach for groundwater - Agnese Gailuma, Ilva Vītola.
• Influence of water abstraction on groundwater flow in the BAB - Ilze Klints, Jānis Virbulis, Aija Dēliņa
• Useful statistics for describing hydraulic conductivity of the Quaternary strata from the Latvian borehole log data - Jānis Jātnieks, Konrāds Popovs, Jānis Ukass, Tomas Saks, Aija Dēliņa.
• Additional data on the CFC concentration and corresponding ground water age in the fresh groundwater of Latvia - Jānis Bikše, Aija Dēliņa, Alise Babre
• Reconstructing the Caledonian structural complex deformation through thickness analysis - Jānis Ukass, Konrāds Popovs, Tomas Saks
• BAB V1 geometrical model: integrating heterogeneous and uneven density data into a 3D geological model - Konrāds Popovs, Jānis Ukass, Jānis Jātnieks, Tomas Saks
• The sensibility analysis of Cl- and SO42- titration in groundwater samples - Oļegs Grigorjevs, Andis Kalvāns

EGU 2011:

• Penalty function for measure of contemporary and future climate diferences - Uldis Bethers, Daiga Cepīte-Freišfelde, Juris Seņņikovs, Andrejs Timuhins
• Skill assessment of regional climate models: T/P correlations impacts on hydrological modeling - Peteris Bethers, Juris Sennikovs, Andrejs Timuhins

ICADL2010:

• Open Source Solution for Massive Map Sheet Georeferencing Tasks for Digital Archiving, Jānis Jātnieks