Abstract
Abstract
The estimation of sediment yields from watersheds is an important factor in studies, design and operation of hydraulic structures. Due to the rare of measured values of runoff and sediments load, the Water Erosion Prediction Project (WEPP) which is work under the Geographical Information System (GIS) to be GeoWEPP was applied to estimate the runoff, sediment load and sediment concentration that enters the Mosul DamReservoir from the western bank.Mosul Dam located on Tigris River, north of Iraq which is one of the biggestmulti purposes dam for irrigation, power generation, and flood control. The runoff and sediment loads are estimated for the years 1994-2012 based on daily data of rainfall depth of the Mosul Dam Station.
The estimated average sediment load for the considered period were, 17.4, 1.5and 1.1*103Tons for the three mainly basins Swedy, Carnold and Al-Salam respectively.This mean that the total sediment load entered the reservoir for the for the considered period is 380*103 ton, while the volume of this sediments is 317*103 m3 if we considered that all the sediment deposits in the reservoir with trap efficiency 100%.
Key words: Mosul Dam, Surface runoff, Sediment yield.
