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AGRICULTURE (58)
agricultural aquatic sciences , agricultural chemicals , agricultural plant science , animal commodities , animal science ...
LAND SURFACE (667)
erosion/sedimentation , frozen ground , geomorphology , land temperature , land use/land cover ...
ATMOSPHERE (695)
aerosols , air quality , altitude , atmospheric chemistry , atmospheric electricity ...
OCEANS (345)
aquatic sciences , bathymetry/seafloor topography , coastal processes , marine geophysics , marine sediments ...
BIOLOGICAL CLASSIFICATION (32)
animals/invertebrates , animals/vertebrates , bacteria/archaea , fungi , plants ...
PALEOCLIMATE (18)
ice core records , land records , ocean/lake records , paleoclimate reconstructions ...
BIOSPHERE (247)
aquatic ecosystems , ecological dynamics , terrestrial ecosystems , vegetation ...
SOLID EARTH (62)
earth gases/liquids , geochemistry , geomagnetism , geomorphic landforms/processes , geothermal dynamics ...
CLIMATE INDICATORS (37)
atmospheric/ocean indicators , land surface/agriculture indicators ...
SPECTRAL/ENGINEERING (414)
gamma ray , infrared wavelengths , lidar , microwave , platform characteristics ...
CRYOSPHERE (279)
frozen ground , glaciers/ice sheets , sea ice , snow/ice ...
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ionosphere/magnetosphere dynamics , solar activity , solar energetic particle flux , solar energetic particle properties ...
HUMAN DIMENSIONS (188)
boundaries , economic resources , environmental governance/management , environmental impacts , habitat conversion/fragmentation ...
TERRESTRIAL HYDROSPHERE (691)
glaciers/ice sheets , ground water , snow/ice , surface water , water quality/water chemistry ...

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