陕西省西安市水土保持区划研究

[目的]分析总结2014—2015年西安市水土保持区划工作,为区域水土流失综合治理提供依据和方向。[方法]通过对西安市的实地调查及相关资料的收集,利用遥感和GIS技术进行数据分析和处理,明确该市水土流失现状及特点,在一定区划原则基础上,进行指标的选择和分析。[结果]将西安市划分为6个水土保持区,提出各分区的水土保持治理方向,为城市建设及社会经济发展提供重要依据。[结论]西安市开展水土保持应在预防为主,保护优先的前提下,依据水土保持分区,以城区为核心,以河流和道路为廊道,对各斑块实施水土流失与环境的综合治理。

Research on Regionalization of Soil and Water Conversation in Xi'an City, Shaanxi Province

[Objective] The objective of this study is to analyze and summarize works on regionalization of soil and water conservation during 2014-2015 and provide support for regional comprehensive management of soil erosion.[Methods] RS and GIS technologies have been used to analyze and process data,and clarify the status and characteristics of soil erosion in Xi'an City with field investigations and data collection.Indexes were selected and analyzed according to certain principle.[Results] The whole Xi'an City was divided into six subareas of soil and water conservation,and different strategies were proposed for each subarea.The regionalization of soil and water conservation will provide important support for construction,social and economic development.[Conclusion] Soil and water conservation should be carried out on the premise of prevention first and protection priority.According to the regionalization of soil and water conservation,it is necessary to implement integrated management of soil erosion and environment in each patch by regarding center of the urban area as core and considering rivers and roads as corridor.