- Earth Sciences, general 8
- Remote Sensing/Photogrammetry 5
- Agriculture 3
- Analysis 3
- Artificial Intelligence 3
- Infectious Diseases 3
- Medical Microbiology 3
- Microbiology 3
- Parasitology 3
- Climate Change 2
- Climate Change/Climate Change Impacts 2
- Combinatorics 2
- Environment, general 2
- Geography, general 2
- Geology 2
- Hydrogeology 2
- Hydrology/Water Resources 2
- Life Sciences, general 2
- Natural Hazards 2
- Science, Humanities and Social Sciences, multidisciplinary 2