Survey on the Utilization of Rainwater Resources in Arid Mountainous Areas
Abstract: The development and utilization of rainwater resources in arid area at home and abroad are discussed in this paper, and the using the technology of infiltration into local storage, soil cover evaporation technique, rainwater accumulation, utilization technology of three kinds of rainwater resource utilization technology of application characteristics, and advantages and disadvantages are introduced, especially for using the technology of infiltration into local storage including the technology of water and soil conservation engineering and the water and soil conservation tillage technology, soil cover evaporation technique including black, white, green, chemical, gravel and soil covering technology and rainwater accumulation and utilization technology including harvesting techniques, water storage technology and high efficient utilization technology about the water saving mode, technical characteristics and conditions of use are analyzed in detail, at the same time, the paper introduces some cases successfully applied. In addition, the paper has carried on the analysis from relation between rainwater harvesting and utilization and water and soil conservation, the influence of rainwater accumulation and utilization technology on the whole regional environment is analyzed, rainwater harvesting and utilization in soil and water conservation has a positive role and significance, especially in arid and semi-arid areas, reasonable utilization of rainwater resources should be taken to effectively prevent the negative effects of excessive utilization of rainwater resources on the environment.
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