Analysis of Spatial-Temporal Evolution of Vegetation Cover in Loess Plateau in Recent 33 Years Based on AVHRR NDVI and MODIS NDVI
ZHANG Chun-sen, HU Yan, SHI Xiao-liang
Journal of Applied Sciences . 2016, (6): 702 -712 .  DOI: 10.3969/j.issn.0255-8297.2016.06.006