Quantitative Analysis on the Relationship between Land Use and Soil Erosion Based on RS and GIS in Acheng District of Harbin City

Abstract

Abstract: Based on the technology of RS and GIS,the RS image of Landsat TM in 2007 was used as the main data source to obtain the data of land use and erosion of study region. Through the spatial analysis module,the land use and erosion was overlaied to quantitatively analyze the relationship between present state of land use types and soil erosion data.The study results show that the cropland and forestland took an absolute dominate position,which accounted for 90.30% of total area of study region. The soil erosion intensity was mainly low and moderate,while the severe soil erosion exited in some local areas. The area of forestland in wild erosion was largest,while cropland occupied the largest area in light soil erosion. However,the area of unused land in each soil erosion extensity was smallest. Meanwhile,the unused land had no distribution in severe soil erosion.

Key words: land use, soil erosion, quantitative analysis, spatial distribution

CLC Number:

ZHI Changgui, GONG Wenfeng, ZHANG Jing, ZHANG Yun. Quantitative Analysis on the Relationship between Land Use and Soil Erosion Based on RS and GIS in Acheng District of Harbin City[J]. FOREST RESOURCES WANAGEMENT, 2013, (4): 109-113.

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