Enhancemence of multipurpose service efficiency of irrigation and drainage reservoir in Midland and North mountainous provinces

Abstract

   Reservoirs is one of irrigation and drainage headworks whose designed mission is to supply water for different crop types, however, in the face of urgent requirements of life, these headworks have assignments on serving intergrated multipurpose services leading to reducing irrigation efficiency for crops and water supply efficiency for other fields is more insufficient. Thus, there are necessary consideration and evaluation of work-scale in order to find out solutions to upgrade and complete work scale aiming at enhancing multipurpose service efficiency.