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水土流失现状分布复核调查是开展水土保持规划工作的基础,为了编制符合实际水土保持工作需要的规划,需要对当地的水土保持现状、特点、成因进行详细的调查,并以此为主要依据进行水土保持区划、划定水土流失重点预防区、治理区、易发区及有针对性地安排水土流失综合治理项目。吸取第一次全国水利普查浙江省水土保持情况普查的成功经验,充分应用3S技术,以小流域为基本调查单元,对安吉县水土流失现状进行实地调查,摸清了安吉县水土流失现状分布、水土流失成因,为下一步的规划编制垫定翔实的数据支撑及现场调查依据。
In order to compile a plan that meets the needs of actual soil and water conservation, it is necessary to conduct a detailed investigation on the status quo, characteristics and causes of soil and water conservation in the area and use it as the basis for water and soil conservation Maintain the zoning, delineating the key prevention areas for water and soil loss, the management areas and the areas prone to control and arrange the comprehensive management of soil and water loss in a targeted manner. Drawing on the successful experience of the first general survey of soil and water conservation in Zhejiang Province for water census and making full use of 3S technology and taking the small watershed as the basic investigation unit to carry out a field survey on the status quo of soil and water loss in Anji County and find out the distribution of soil and water loss in Anji County, Causes of water and soil loss, preparation of the next step of planning Padding solid data support and site investigation basis.