Remote Sensing-Based Approach for the Assessing of Ecological Environmental Quality Variations Using Google Earth Engine: A Case Study in the Qilian Mountains, Northwest China. - Hong Wang; Chenli Liu; Fei Zang; Youyan Liu; Yapeng Chang; Guozhu Huang; Guiquan Fu; Chuanyan Zhao; Xiaohuang Liu (Remote. Sens., 2023)