Geography information system technology & its application in Yahekou irrigationdistrict
Yaqing Li · 2002
The concept,principle and function of geography information system(GIS) have been introduced in this paper.Through the application plan of GIS software in irrigation system,it holds that GIS can predict the requirement of water in irrigation district scientifically,optinum ration of water resources,and be of importance to realize irrigation opportunely and moderately,to save water resource and so on.