Subject
- Climatology, Meteorology and Atmosphere91
- Oceans55
- Sea ice55
- Terrestrial heat flow36
- Geoscientific Information23
- Watersheds15
- Inland Waters12
- Landslides11
- Geology10
- Environment7
- Boundaries6
- Earthquakes4
- Biology and Ecology3
- Faults (Geology)3
- Fires3
- Location3
- Biogeography2
- Boundary disputes2
- Brazilian states2
- Capitals (Cities)2