|
United States Geological Survey
53
|
University of Arizona
47
|
Universidad Nacional Autónoma de México
38
|
|
University of California, Davis
32
|
French National Research Institute for Sustainable Development
29
|
Arizona State University
27
|
|
University of California, Berkeley
24
|
中国科学院大气物理研究所
17
|
University of London
16
|
|
Colorado State University
15
|
Commonwealth Scientific and Industrial Research Organisation
15
|
University of California, Los Angeles
12
|
|
University of Oxford
10
|
中国科学院地理科学与资源研究所
10
|
北京师范大学
10
|
|
Desert Research Institute
9
|
Drought Research News
9
|
E17
8
|
|
兰州大学
8
|
New Mexico State University
7
|
