Related content Peer-reviewed publication • 2015 Application of a normalized difference impervious index (NDII) to extract urban impervious surface features based on Landsat TM images Peer-reviewed publication • 2014 1982-2010 nian Zhongguo caodi fugaidu de shikong dongtai ji qi dui qihou bianhua de xiangying [Spatial-temporal dynamics of grassland coverage and its response to climate change in China during 1982-2010] Project • 1998-12 Asia-Wide Workshop – Aerosol Studies of the Asia-Pacific Region