黑土区三江平原水土流失变化趋势研究  

Trend of Soil and Water Loss Variations of Sanjiang Plain in Black Earth Region

作　　者：李世泉[1] 张树文[2] 王岩松[1] 李忠福[1] 范海峰[1] 

机构地区：[1]松辽流域水土保持监测中心站,吉林长春130021 [2]中国科学院东北地理与农业生态研究所,吉林长春130012

出　　处：《中国水土保持》2008年第7期34-37,共4页Soil and Water Conservation in China

摘　　要：三江平原是我国东北黑土区重要的商品粮基地。基于GIS和RS,结合美国通用土壤流失方程(USLE),获得了三江平原1954、1976、1986、2000年4个时期的土壤流失量,并据此了解该区土壤侵蚀现状,分析水土流失变化趋势,为该区开展水土保持工作和政府宏观决策提供了科学依据。Sanjiang Plain is an important commercial grain base in black earth region of the northeast China.It obtains soil loss data in four periods of 1954,1976,1986 and 2000 of Sanjiang Plain based on GIS and RS and combining with USLE.It understands the current status of soil erosion of the region from the data and analyzes the trend of variations of soil and water loss and provides scientific basis for developing soil and water conservation work of the region and making macro decisions of government.

关 键 词：GIS RS USLE 水土流失 变化趋势 三江平原 

分 类 号：S157.1[农业科学—土壤学] TP75[农业科学—农业基础科学]