1. Joint Institute for Regional Earth System Science and Engineering University of California, Los Angeles Los Angeles CA USA
2. Now at College of Surveying and Geo‐Informatics Tongji University Shanghai China
3. Jet Propulsion Laboratory California Institute of Technology Los Angeles CA USA
4. Numerical Terradynamic Simulation Group The University of Montana Missoula MT USA
5. Department of Electrical Engineering University of Southern California Los Angeles CA USA
6. Institute of Arctic Biology University of Alaska Fairbanks Fairbanks AK USA
7. Department of Biosystems and Agricultural Engineering Michigan State University East Lansing MI USA