Processes of Water Transfer over Land Surface in Arid and Semi-Arid Region of China

At first,the meaning of the water transfer processes(WTP) over land surface is set forth and its uniqueness in arid and semi-arid region is discussed in this paper.Later,the sensitivity of the ecology and soil characteristics in arid and semi-arid region to the WTP is presented.The domestic and foreign research advances on WTP is summed also.Finally,the deficiency on the WTP study in arid and semi-arid region is analyzed and the way to research the WTP there is suggested.