Topic
General Earth and Planetary Sciences
Arts and Humanities (miscellaneous)
119
Earth-Surface Processes
119
General Environmental Science
105
General Agricultural and Biological Sciences
81
Geography, Planning and Development
62
Ecology
49
Earth and Planetary Sciences (miscellaneous)
14
Ecology, Evolution, Behavior and Systematics
12
Aquatic Science
10
Electrical and Electronic Engineering
9
Atmospheric Science
7
Geotechnical Engineering and Engineering Geology
4
Archeology
3
General Engineering
3
Global and Planetary Change
2
Management, Monitoring, Policy and Law
2
910 Geography & travel
1
Aerospace Engineering
1
Astronomy and Astrophysics
1
Computer Science Applications
1
Environmental Engineering
1
General Medicine
1
Geography
1
Geology
1
Geophysics
1
Global Change and Biodiversity
1
Institute of Geography
1
Nature and Landscape Conservation
1
Planning and Development
1
Pollution
1
Space and Planetary Science
1
Stratigraphy
1