YUE Cai-rong, TIAN Kun, XU Tian-shu. A Study on Soil Erosion Investigation by Using Remote Sensing and GIS in Zhaotong Prefecture[J]. Bulletin of Soiland Water Conservation, 2003, 22(2): 36-39.
YUE Cai-rong, TIAN Kun, XU Tian-shu. A Study on Soil Erosion Investigation by Using Remote Sensing and GIS in Zhaotong Prefecture[J]. Bulletin of Soiland Water Conservation, 2003, 22(2): 36-39.DOI:
Based on analysis to the causes and laws of soil erosion in Zhaotong prefecture
Yun'nan province
the vegetation coverage percent
land use type and topography slope degree were selected as the key factors for evaluating the degree of soil loss. After fieldwork and analysis to the related materials
the relationship between TM image features and those key factors were established. And the vegetation coverage percent and land use type were extracted from TM accordingly. Combined with the information of slope degree from topography map
the erosion-grading map of Zhaotong prefecture was produced by ARC/INFO 7. 11 and ARCVIEW3. 2 software. Finally
according to the result of statistics from the erosion map
scientific evaluations on the ecological effects were made for the Changjiang river protection forest in Zhaotong prefecture.