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- W2351036986 abstract "Shulehe River basin is an important area of immigrant settlement and agriculture development, and is also the largest area with the potential water resources for carring out the strategy of Reconstructing Hexi in Gansu Province. It is extremely urgent to improve the study level on water resources and its circulation and transformation relations, meantime to try to find and solve the existing problems in exploitation and utilization of water resources. All kinds of water resources in the river basin are calculated and evaluated, such as precipitation, glaciers, surface water, groundwater (including its recharge, allowable exploitation and storage ) and total water resources, based on collecting a lot of data about hydrology, hydrogeology, water conservancy projects, and so on. The characteristics of water resources can be concluded as follows: all water resources is from precipitation, glacial melt is an important part, surface water at the debouchure is consisted of precipitation, glacial melt and mountainous groundwater, groundwater in the cooridor plain is transfored from the surface water, is mostly recharged by the infiltration of stream water including that from irrigation ditches and farmland in the middle reaches, which occupies 79.29%～92.74% of the total; it is mainly recharged by the infiltration of spring water is the lower reaches, which occupies 58.81%～75.04% of the total. The total volume of water resources is about 18.62×10 8m 3·a -1 . It is very rich in groundwater resources in the middle and lower reaches because of the accumulation and storage of groundwater here, and it has 14.38×10 8m 3·a -1 recharge resources, 5.75×10 8m 3·a -1 exploitable resources and 7384×10 8m 3 storage resources, but the current volume of exploited groundwater only occupies 28.17% of the exploitable resources and 11.27% of total recharge. Therefore, there are the great potentialities to exploit groundwater, and some existing problems,such as the domination of surface water, inefficient utilization of water resources, and low exploiting level of groundwater, should be solved." @default.
- W2351036986 created "2016-06-24" @default.
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- W2351036986 date "2001-01-01" @default.
- W2351036986 modified "2023-09-25" @default.
- W2351036986 title "The Characteristics and Some Problems in the Exploitation and Utilization of Water Resources in the Shulehe River Basin,Gansu Province" @default.
- W2351036986 hasPublicationYear "2001" @default.
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