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. p. 208. (In Czech.) Tachecí, P., 2009. Methodology for assessment of the impact of considered water quality improvement measures using MIKE-BASIN model. DHI, Prague. p. 63. (In Czech.) Tomer, M.D., Burkart, M.R., 2003. Long-term effects of nitrogen fertilizer use on ground water nitrate in two small watersheds. J. Environ. Qual., 32, 6, 2158-2171. Wang, C., Wang, Y., Wang, P., 2006. Water quality modeling and pollution control for the Eastern route of South to North water transfer project in China. Journal of Hydrodynamics 18, 253-261. Withers, P.J.A, et al

gaseous hydrocarbons at mature levels in the subsurface [ 5 , 6 ]. Published works on deeply buried Eocene source rocks of the Abakaliki Fold Belt are rare. This study attempts to determine whether deeply buried Eocene source rock is responsible for charging the overlying Lower Eocene sandy facies of an exploration well (Ihuo-1 well) drilled in the Abakaliki Fold Belt by evaluation of the Lower Eocene source rocks (organic richness and kerogen type) and reconstruction of one-dimensional (1D) basin models. Modelling of the results allows for the assessment of Lower

Summary

Multiple runs of a river basin model produced information about water allocation under different users’ priorities, creating a set of allocation scenarios as possible decision alternatives. To identify the most desired scenario that will, expectedly, be more readily accepted and implemented, involvement of stakeholders and reaching the consensus among them in evaluating scenarios are essential. This article describes methodology for integrating multi-criteria optimization as an efficient tool for the evaluation of scenarios in a group context, with river basin simulation-optimization models. Methodology was developed within the scope of the bilateral project Serbia–Portugal, and it consisted of five phases: defining the preference schemes of allocation, running the ACQUANET model, evaluating the criteria and strategies with analytic hierarchy process, aggregation and initial search for consensus in subgroups, and obtaining the final consensus converged result (best management strategy). The approach was tested on the water allocation problem in the Nadela watershed in Vojvodina Province in Serbia, with participation of 23 stakeholders. Promising results recommended the approach for the testing in different conditions in the area near Bragança in northeast Portugal (Sabor watershed).

Application of the Frier Distributed Model for Estimating the Impact of Land use Changes on the Water Balance in Selected Basins in Slovakia

In this study, the FRIER rainfall-runoff model with distributed parameters was developed to assess changes in runoff and water balance due to changes in land use and climate. The water balance was calculated at 3 levels: on the surface and in unsaturated and saturated zones. Six basins from the central and eastern parts of Slovakia were selected on the basis of their similar size, but different topography, land use, soil texture and climate: the upper Hornád, the upper Hron, the Poprad, the Rimava, the Slaná and the Torysa River basins. Model parameters were estimated using data from the period from June 1998 to May 2000 in daily time steps. The differences and similarities of the hydrologic processes in individual basins were investigated during the calibration period. Several scenarios of changes in land use and two simple scenarios of changes in climate were developed to estimate the impact of these changes on water balance and runoff. The changes in the hydrological regime were compared and discussed.

, European Union. Chow V.T. 1959. Open-channel hydraulics, McGraw-Hill Book Co, 680 p, New York De Roo, A.P.J., Wesseling, C.G., Van Deursen, W.P.A. 2000. Physically-based river basin modelling within a GIS: The LISFLOOD model. Hydrological Processes 14, 1981–1992. DOI: 10.1002/1099-1085(20000815/30)14:11/12<1981::aidhyp49>3.3.co;2-6 GDWM (General Directorate of Water Management), 2018. Database of the national water demand survey (Nemzeti öntözési igény felmérés adatbázisa). In Hungarian. Jacob, D., Petersen, J., Eggert, B., Alias., Christensen, O.B., Bouwer, L

References Abbott M. B., Bathurst J. C., Cunge J. A., O'Connell P. E., Rasmussen J., 1986. An introduction to the European Hydrological System, SHE. 1: History and philosophy of a physically based, distributed modelling system. Journal of Hydrology, 87: 45-59. Andersen J., Refsgaard J., Jensen K. H., 2001. Distributed hydrological modelling of the Senegal river basin; model construction and validation. Journal of Hydrology, 247: 200-214. Arnold J. G., Srinivasan R., Muttiah R. S., Wiliams J. R., 1998. Large area hydrologic modeling and assessment. Part I. Model

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O., Dérerová J., Šefara J. & Pašteka R. 2005: New 3D gravity modeling in the Carpathian-Pannonian region. Contr. Geophys. Geodesy 35, 1, 65-78. Bielik M., Hók J., Kučera I., Michalík P., Šujan M., Šipka F. & Šefara J. 2007: Application of the geophysical field modelling - impulse of the regional development. Solution of the Turčianska kotlina basin model area. Final report. Manuscript - Archive Faculty of Natural Sciences, Comenius University, Bratislava, 1-58 (in Slovak). Bielik M., Hók J., Kučera I., Michalík P., Šujan M., Šipka F. & Dérerová J. 2009

Vistula and the Odra basin: Model projections in the European-scale context. Hydrological Processes, 31: 2210–2225. PINIEWSKI M., MERESA H., ROMANOWICZ R., OSUCH M., SZCZEŚNIAK M., KARDEL I., OKRUSZKO T., MEZGHANI A., KUNDZEWICZ Z., 2017a, What can we learn from the projections of changes of flow patterns? Results from Polish case studies. Acta Geophysica, 65: 809–827. PINIEWSKI M., SZCZEŚNIAK M., HUANG S., KUNDZEWICZ Z., 2017b, Projections of runoff in the Vistula and the Odra river basin with the help of SWAT model. Hydrology Research. DOI:10.2166/nh.2017

., MUELLER P., STRANIK Z. Tectonic evolution and oil and gas generation at the bor der of the North European Platform. In: WESSELY G., LIEBL W. (eds), Oil and Gas in Alpine Thrustbelts and Basins of Central and Eastern Europe. EAGE Special Publication, 1996, 5 , 177–186. [13] LABUS K., BUJOK P. (unpublished): Properties of Mikulov marls as potential unconventional gas source rock in the Czech part of Vienna Basin. [14] LADWEIN H. W. Organic geochemistry of Vienna basin: model for hydrocarbon generation in overthrust belts. AAPG Bulletin . 1988, 72 (5), 586-599. [15