The Merguellil catchment is a typical Mediterranean semi-arid basin which undergoes regular water shortage aggravated by current drought.During the last decades the continuous construction of small and large dams with...The Merguellil catchment is a typical Mediterranean semi-arid basin which undergoes regular water shortage aggravated by current drought.During the last decades the continuous construction of small and large dams within the watershed has altered its natural hydrologic regime.The work presented here attempts to simulate the actual water and nutrient balance using the Soil and Water Assessment Tool(SWAT)model. Two alternatives scenarios were further generated in order to improve the availability of water in terms of quantity and quality.The first one regards the removal of ponds and reservoirs from the upstream area.展开更多
Climate change impact studies on hydrologic regime have been until recently restricted mainly because of the coarse spatial and temporal resolution of the Global Circulation Models(GCMs)outputs. Nevertheless,local met...Climate change impact studies on hydrologic regime have been until recently restricted mainly because of the coarse spatial and temporal resolution of the Global Circulation Models(GCMs)outputs. Nevertheless,local meteorological variables can be derived from GCMs scenarios using downscaling techniques.In the present study,the Statistical DownScaling Model(SDSM)was selected for展开更多
文摘The Merguellil catchment is a typical Mediterranean semi-arid basin which undergoes regular water shortage aggravated by current drought.During the last decades the continuous construction of small and large dams within the watershed has altered its natural hydrologic regime.The work presented here attempts to simulate the actual water and nutrient balance using the Soil and Water Assessment Tool(SWAT)model. Two alternatives scenarios were further generated in order to improve the availability of water in terms of quantity and quality.The first one regards the removal of ponds and reservoirs from the upstream area.
文摘Climate change impact studies on hydrologic regime have been until recently restricted mainly because of the coarse spatial and temporal resolution of the Global Circulation Models(GCMs)outputs. Nevertheless,local meteorological variables can be derived from GCMs scenarios using downscaling techniques.In the present study,the Statistical DownScaling Model(SDSM)was selected for