Earth Sciences60
Paleontology20
Volcanology18
Geochemistry12
Geosciences12
Glaciology12
Geology9
Archaeological Anthropology8
History of Art, Architecture, and Archaeology6
Paleobiology6
Marine Biology3
American Art and Architecture2
American Studies2
Environmental Chemistry2
Environmental Monitoring2
Geophysics and Seismology2
Hydrology2
Biogeochemistry1
Environmental Indicators and Impact Assessment1
Environmental Sciences1