K Mantoudi, N. Mamassis, and D. Koutsoyiannis, A simple water balance model using a geographical information system, 26th General Assembly of the European Geophysical Society, Geophysical Research Abstracts, Vol. 3, Nice, doi:10.13140/RG.2.2.26357.78567, European Geophysical Society, 2001.
A simple distributed water balance model is presented which simulates the hydrological processes in monthly time step using a geographical information system and its object oriented programming language. Model inputs (precipitation, temperature) and outputs (evapotranspiration, water storage in different conceptual reservoirs, runoff) are given in distributed format in grids with a cell size of 4 square kilometres. Successive transformations of precipitation are done assuming an interconnected system of hypothetical reservoirs representing snow accumulation, soil moisture and groundwater. The model uses only four parameters, namely imperviousness, soil storage capacity and recession coefficients of soil moisture and groundwater. The model is applied to the Acheloos River basin in Western Greece and measured river discharge at a hydrometric station is used for calibration and verification. Despite of its simplicity and parsimony of parameter the model yields a very satisfactory reproduction of measured discharge also providing accumulated runoff in any location of the river network by implementing utilities of a geographical information system.
See also: http://dx.doi.org/10.13140/RG.2.2.26357.78567
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