Estimating Forest Stock Volume in Hunan Province, China, by Integrating In Situ Plot Data, Sentinel-2 Images, and Linear and Machine Learning Regression Models. - Yang Hu 012; Xuelei Xu; Fayun Wu; Zhongqiu Sun; Haoming Xia; Qingmin Meng; Wenli Huang; Hua Zhou; Jinping Gao; Weitao Li; Daoli Peng; Xiangming Xiao (Remote. Sens., 2020)