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The Analysis of Vegetation Entironment Monitoring in Chinese Guizhou Based on RS and GIS Technology

WU Zhan-ping

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Abstract

The Normalized Difference Vegetation Index(NDVI) were used in Global Inventory Modeling and Mapping Studies(GIMMS) of NASA,monthly from 1982 to 2003 based on RSGIS technology,to illustrate the vegetation cover of earth surface in Guizhou.The change rates of NDVI were calculated by the linear regression to analysis the spatial distribution and dynamic change of vegetation coverage.The main conclusions indicated that NDVI values seemed to be turning up in the area during recent 22 years(1982—2003).That suggested the vegetation cover was improved in Guizhou.The NDVI increased in the spring and autumn and decreased in the summer and winter.The spring made the largest vegetation contribution in all seasons.Vegetation cover was different from the area and the variation was positive in the central area but negative around the edges of Guizhou.

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What this paper is about

The Normalized Difference Vegetation Index(NDVI) were used in Global Inventory Modeling and Mapping Studies(GIMMS) of NASA,monthly from 1982 to 2003 based on RSGIS technology,to illustrate the vegetation cover of earth surface in Guizhou.The change rates of NDVI were calculated by the linear regression to analysis the spatial distribution and dynamic change of vegetation coverage.The main conclusions indicated that NDVI values seemed to be turning up in the area during recent 22 years(1982—2003).That suggested the vegetation cover was improved in Guizhou.The NDVI increased in the spring and autumn and decreased in the summer and winter.The spring made the largest vegetation contribution in all seasons.Vegetation cover was different from the area and the variation was positive in the central area but negative around the edges of Guizhou.

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Available abstract

The Normalized Difference Vegetation Index(NDVI) were used in Global Inventory Modeling and Mapping Studies(GIMMS) of NASA,monthly from 1982 to 2003 based on RSGIS technology,to illustrate the vegetation cover of earth surface in Guizhou.The change rates of NDVI were calculated by the linear regression to analysis the spatial distribution and dynamic change of vegetation coverage.The main conclusions indicated that NDVI values seemed to be turning up in the area during recent 22 years(1982—2003).That suggested the vegetation cover was improved in Guizhou.The NDVI increased in the spring and autumn and decreased in the summer and winter.The spring made the largest vegetation contribution in all seasons.Vegetation cover was different from the area and the variation was positive in the central area but negative around the edges of Guizhou.

Key concepts: Normalized Difference Vegetation Index, Vegetation (pathology), Vegetation cover, Environmental science, Vegetation Index, Physical geography, Enhanced vegetation index, Spatial distribution

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