A Study of the Method for Remote Sensing Information Extraction of Water Erosion Desertification

doi:10.6046/gtzyyg.2010.s1.05

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Abstract

In order to find out the desertification status of the Yangtze River Basin, this paper discusses the effective

automatic sorting of desertification land type, and the method for overcoming the phenomena of different things with the

same spectrum and the same thing with different spectra. Based on the waterpower desertification land, this paper probes

into the extraction method for land cover information in western Hunan area by using TM data information of Landsat. In the

light of multi-band data of TM, the normalized index(MNDWI NDVI NDBI) and the difference index were adopted. This paper has

also put forward the suggestion of multi-layer information extraction strategy based on TM images of TM3, TM4 and TM5

spectra. The results show that this method is simple and practical, and hence can serve as an effective way for remote

sensing information extraction of ground object.

Keywords Isotopic chronologic dates Database system Pre-Cambrian

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	TP 79

Issue Date: 13 November 2010

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Cite this article:

ZHANG Yuan-Ping, JIANG Duan-Wu, HUANG Shu-Chun. A Study of the Method for Remote Sensing Information Extraction of Water Erosion Desertification[J]. REMOTE SENSING FOR LAND & RESOURCES,2010, 22(s1): 18-20.

URL:

https://www.gtzyyg.com/EN/10.6046/gtzyyg.2010.s1.05 OR https://www.gtzyyg.com/EN/Y2010/V22/Is1/18

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