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本文以晋西三川河流域为试验区,利用不同时期的航空像片,采取集群抽样法,借助计算机建立信息数据库,并统计计算和辅助制图,进行土地资源动态监测,查清这一中型流域23年来土地利用动态变化情况及水土保持综合治理效益。
Taking the Sanchuan River Basin in Shanxi Province as the experimental area, this paper uses the cluster sampling method and the computerized information database to carry out the dynamic monitoring of land resources to identify the medium-sized river basin. Dynamic Changes of Land Use and Comprehensive Benefits of Soil and Water Conservation in Recent Years.