UTILIZATION OF MATHEMATICAL MODELLING FOR CALCULATION OF GROUNDWATER RESERVES IN ODRA WATERSHED IN THE CZECH REPUBLIC
References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-32-2 / ISSN 1314-2704, June 18-24, 2015, Book1 Vol. 2, 847-854 pp
Problem of the shortage of groundwater resources is becoming a hot issue over the extensive areas of Europe including the Czech Republic. In 2010, the Czech Geological Survey has initiated a project aimed to reassess groundwater resources within approximately one third of the territory of the Czech Republic. Odra watershed represents the case study situated in Quaternary region with mild potential problems in utilizable groundwater resources. The methodology of the construction of hydrogeological numerical model in MODFLOW is presented. Model was built as transient calibrated on the measurements of both groundwater heads and fluxes for ten years period of observation. Groundwater model budget has to be consistent with recharge component calculated independently by water budget model developed by Water Research Institute Prague. The area of 263 km2 is built by glacifluvial sediments overlaid by gravels and sands of the Odra river flood valley. Aquifers are drained by Odra River in predominant part of the study area. Model is ready to use for simulation of impacts of various scenarios of climate change on groundwater reserves.
Keywords: groundwater reserves, numerical modelling, Odra watershed, groundwater flow model
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