NDVI for Northern Limestone (2003/09/18)

NDVI computation (using Landsat-5 TM bands: (([NIR]-[R])/([NIR]+[R])), scale factor 0.001. Clip to area of interest. Cloud masking.归一化差分植被指数（Normalized Difference Vegetation Index, NDVI）计算：采用陆地卫星5号专题制图仪（Landsat-5 TM）的波段数据，计算公式为([近红外波段]-[红波段])/([近红外波段]+[红波段])，缩放因子为0.001；需裁剪至感兴趣区域，并进行云掩膜处理。