NDVI Variations and Its Responses to hydrothermal process in the Naqu River Basin, Qinghai-Tibet Plateau-Alpine RegionDengming Yan, Shaoming Peng, Xingchen Ding and Zhilei YuE3S Web Conf., 267 (2021) 01024DOI: https://doi.org/10.1051/e3sconf/202126701024