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AGRICULTURE (7)
agricultural aquatic sciences , agricultural chemicals , agricultural plant science , animal science ...
HUMAN DIMENSIONS (79)
boundaries , environmental governance/management , environmental impacts , habitat conversion/fragmentation , human settlements ...
ATMOSPHERE (51)
aerosols , air quality , altitude , atmospheric chemistry , atmospheric phenomena ...
LAND SURFACE (54)
erosion/sedimentation , frozen ground , geomorphic landforms/processes , land use/land cover , landscape ...
BIOLOGICAL CLASSIFICATION (11)
animals/invertebrates , animals/vertebrates , plants ...
OCEANS (42)
bathymetry/seafloor topography , coastal processes , marine environment monitoring , marine geophysics , marine sediments ...
BIOSPHERE (22)
aquatic ecosystems , ecological dynamics , terrestrial ecosystems , vegetation ...
SOLID EARTH (9)
rocks/minerals/crystals , tectonics ...
CLIMATE INDICATORS (1)
atmospheric/ocean indicators ...
SPECTRAL/ENGINEERING (8)
infrared wavelengths , lidar , radar , visible wavelengths ...
CRYOSPHERE (7)
frozen ground , glaciers/ice sheets , snow/ice ...
TERRESTRIAL HYDROSPHERE (20)
ground water , snow/ice , surface water , water quality/water chemistry ...

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