1. Key Laboratory of Remote Sensing of Gansu ProvinceCAREERI, CAS Lanzhou China
2. Heihe Remote Sensing Experimental Research StationCAREERI, CAS Lanzhou China
3. Department of Geographical SciencesUniversity of Maryland College Park MD USA
4. State Key Laboratory of Resources and Environmental Information SystemIGSNRR, CAS Beijing China
5. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing China
6. Chongqing Engineering Research Center for Remote Sensing Big Data Application, School of Geographical SciencesSouthwest University Chongqing China