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skill-building-methodology-and-analyses64
geosphere-earths-natural-resources49
human-dimension-environmental-impacts39
human-dimension-technology39
surface-processes-soils26
human-dimension-behavior-and-perspectives25
energy24
geosphere-geomorphology24
biosphere22
geosphere-plate-tectonics-and-earths-interior19
human-dimension-natural-hazards19
hydrosphere-oceans19
hydrosphere-climate-and-weather17
atmosphere-climate-and-weather16
geosphere-fossils-time-evolution15
surface-processes-erosion-weathering-deposition14
surface-processes-moving-water14
hydrosphere-surface-water13
hydrosphere-groundwater12
atmosphere-atmospheric-phenomena9
atmosphere-climate-change7
atmosphere-atmospheric-chemistry4
cryosphere3