The dynamic trends and prevention countermeasures of groundwater in Danghe irrigation, Dunhuang basin

Based on the analysis of the hydrogeology conditions of Dunhuang basin and the study of the characteristics and laws of groundwater level´s annual and interannual variations according to the data of groundwater level´s variations from 2004 to 2010 in the irrigation district of Dunhuang basin, Come to different water table summarizes the dynamic changes of irrigation, a division of a decline in area and rising water table areas. This paper analyzes the future changing trends and control countermeasures of groundwater based on the extraction of groundwater irrigation, and it has certain practical significance in guiding the reasonable exploitation and utilization of the limited water resources in the region, achieving the scientific development of Dunhuang tourism and social economic construction and protecting the ecological environment.