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AGRICULTURE (87)
agricultural aquatic sciences , agricultural chemicals , agricultural engineering , agricultural plant science , animal commodities ...
LAND SURFACE (162)
erosion/sedimentation , frozen ground , geomorphology , land temperature , land use/land cover ...
ATMOSPHERE (585)
aerosols , air quality , altitude , atmospheric chemistry , atmospheric electricity ...
OCEANS (218)
aquatic sciences , bathymetry/seafloor topography , coastal processes , marine environment monitoring , marine geophysics ...
BIOLOGICAL CLASSIFICATION (55)
animals/invertebrates , animals/vertebrates , bacteria/archaea , fungi , plants ...
PALEOCLIMATE (65)
ice core records , land records , ocean/lake records , paleoclimate reconstructions ...
BIOSPHERE (168)
aquatic ecosystems , ecological dynamics , terrestrial ecosystems , vegetation ...
SOLID EARTH (29)
earth gases/liquids , geochemistry , geomagnetism , gravity/gravitational field , rocks/minerals/crystals ...
CLIMATE INDICATORS (25)
atmospheric/ocean indicators , land surface/agriculture indicators ...
SPECTRAL/ENGINEERING (107)
infrared wavelengths , microwave , platform characteristics , radar , sensor characteristics ...
CRYOSPHERE (121)
frozen ground , glaciers/ice sheets , sea ice , snow/ice ...
SUN-EARTH INTERACTIONS (7)
ionosphere/magnetosphere dynamics , solar activity , solar energetic particle properties ...
HUMAN DIMENSIONS (142)
boundaries , economic resources , environmental governance/management , environmental impacts , habitat conversion/fragmentation ...
TERRESTRIAL HYDROSPHERE (215)
glaciers/ice sheets , ground water , snow/ice , surface water , water quality/water chemistry ...

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