Spatio-temporal Change of NDVI and Its Relationship with Climate in the Upper and Middle Reaches of Heihe River Basin from 2000 to 2015
YOU Nanshan, MENG Jijun, SUN Mutian
Acta Scientiarum Naturalium Universitatis Pekinensis . 2019, (1): 171 -181 .  DOI: 10.13209/j.0479-8023.2018.075