Analysis of Fractional Vegetation Coverage Changes Based on Landsat Remote Sensing Images in Xinshao County,Hunan Province
Fractional vegetation coverage is an intuitive quantitative index,which can reflect the growth of vegetation,and it has great significance to ecological environment construction.In this study,We used Landsat remote sensing images from 2000 to 2021 with normalized vegetation index and pixel dichotomy model to estimate the fractional vegetation coverage of Xinshao County,Shaoyang City,Hunan Province.From 2000 to 2021,the fractional vegetation coverage of Xinshao County showed an overall growth trend and increased signifi-cantly in the west and south of Xinshao County,which was closely related to the implementation of local policies such as closing the land for reforesta and afforestation.The improvement of forest quality from 2000 to 2021 reflects that the Xinshao County government attaches importance to ecological protection construction.
NDVIpixel binary modelLandsatfractional vegetation coverageXinshao County
NETL
NSTL
万方数据
