Study On Dam To Library Function Transformation Theory And Technology On Hao Shuichuan Watershed In Southern Ningxia

Water is the source of life, is one of indispensable natural resources that affecting human progress and social development severely, is the most active and widely affected factors impacts on ecological environment system, so the efficient utilization of water resources has great significance for the sustainable development of social economy and watershed ecological environment safety.Hao shuichuan watershed is located in ningxia south mountainous area, where the ecological environment is fragile, the water resources shortages and the soil and water loss is serious. To protect water and soil, safeguard clear water, and protection of ecological environment benign development, constructed large-scale backbone dams for water-soil conservation, but due to the design and construction of its shortcomings and the use for so many years, coming out a series of problems like water level is below the horizontal tube, the utilizable capacity of reservoir and the water storage increased, the surface become broad, the loss of evaporation and infiltration increased, the scheduling level become lower, this problem make the shortage of water resource utilization efficiency and low efficiency of water resources.This paper study on Hao shuichuan Watershed in Longde county, under the background of the changes of global climate and underlying surface conditions, come up with the study of dam to Dam to Library Function Transformation Theory and Technology, by investigating data, positioning observation, systems theory and methods of site construction, on the basis of the water and sediment forecast and optimal allocation of water resources model in previous, through the analysis of the feasibility and the necessity, of selection and construction technology of concrete construction technology improved and as well as through the demonstration, achieve good results, realize the function transformation of warping dam library, are conducive to the efficient utilization of water resources, and can promote the sustainable development of human. The main research achievements are as following:(1)The function transformation of warping basin has certain necessity and feasibility;(2)In this paper, the dam library function transformation, the specific content of the theory with instance calculation capacity of the river basin within the backbone of the dam, dam positioning library function transformation target, make scientific evaluation and coming up the divide indicators of dam library function transformation;(3)By water conservancy calculation and the specific improvement of construction technology and method, developed the technology that by solar energy storage siphon water diverse water, and get completely construction scheme, on the basis of ensure the safety of flood control, the live demonstration construction, achieved good effect, has realized the dam library function transformation.