Abstract
The full-color LISS-4MN images with 5.8m spatial resolution obtained by Indian IRS-P6 satellite were used in this study.The technologies of band composition under MN mode,image calibration and data fusion of LISS-4MN and ETM+ were researched in the preliminary plan on soil and water conservation.Land use type,vegetation cover type,soil erosion and soil and water conservation in Xianzigou watershed of Liujiaxia reservoir were surveyed using IRS-P6 images based on artificial patches drawing,the features of watershed soil erosion,was learned comprehensively.A reasonable and effective soil erosion prevention system was established to improve the efficiency of soil and water conservation in ecological engineering.
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