Surface Water Interaction Modelling Using Visual MODFLOW and GIS

PHYLARESDescription of the study area / ch.4__________________________________________________________________________________________25Ground waterThe regional aquifer underlying the area is preliminary the tertiary and Quaternary sands. Thedominant sources of recharge to the model area are precipitation in the winter, river leakage andconstant heads. Dominant mechanisms of discharge from the groundwater are drains, riverleakages and pumping wells.4.5 RechargeSpatially distributed recharge over the entire first layer of the model (in mm/y) was used in themodeling process. There were six reclassified recharge zones.4.6 Land-use and SoilIn general, the texture of the soil can be described as sandy loam, clay, loamy sand, andsand .The main land use types of the area are agriculture (50%), Meadow (17.29%), build up(1.98%) and coniferous forest (11.29%).4.7 Climate of the study areaFlanders has a temperate, oceanic climate. The average annual rainfall is 780 mm and theaverage temperature is 9.8 degree centigrade. Statistical analysis of the observed temperaturedata indicates January being the coldest month of the year with the average temperature of 5.8 °Cand august as the warmest month of the year with an average temperature of 18°C. However, thestudy area has a moderate average winter and summer temperatures of 5°C and 14°C, with windspeed of 3.27 and 3.84 m/s respectively.______________________________________________________________________________________Groundwater – Surface water interaction modeling using visual MODFLOW and GIS