Estimating fractional woody/herbaceous cover based on multiple spatial data and air-ground co-sampling: taking East Asian steppe as an example
LIU Xu, ZHANG Ning, XU Xiaotian, AN Chao, XU Shixiang, LI Cheng
Bulletin of Surveying and Mapping . 2022, (1): 39 -43,55 .  DOI: 10.13474/j.cnki.11-2246.2022.0007