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AGRICULTURE (45)
agricultural engineering , agricultural plant science , forest science , plant commodities , soils ...
LAND SURFACE (216)
erosion/sedimentation , frozen ground , geomorphic landforms/processes , land use/land cover , landscape ...
ATMOSPHERE (293)
aerosols , air quality , altitude , atmospheric chemistry , atmospheric electricity ...
OCEANS (74)
bathymetry/seafloor topography , coastal processes , marine geophysics , ocean acoustics , ocean chemistry ...
BIOLOGICAL CLASSIFICATION (2)
plants , protists ...
PALEOCLIMATE (1)
ice core records ...
BIOSPHERE (97)
ecological dynamics , ecosystems , vegetation ...
SOLID EARTH (37)
geodetics , geomagnetism , geomorphic landforms/processes , gravity/gravitational field , rocks/minerals/crystals ...
CLIMATE INDICATORS (12)
atmospheric/ocean indicators , cryospheric indicators , land surface/agriculture indicators ...
SPECTRAL/ENGINEERING (290)
gamma ray , infrared wavelengths , lidar , microwave , platform characteristics ...
CRYOSPHERE (116)
frozen ground , glaciers/ice sheets , sea ice , snow/ice ...
SUN-EARTH INTERACTIONS (73)
ionosphere/magnetosphere dynamics , solar activity , solar energetic particle flux , solar energetic particle properties ...
HUMAN DIMENSIONS (39)
boundaries , economic resources , environmental governance/management , environmental impacts , habitat conversion/fragmentation ...
TERRESTRIAL HYDROSPHERE (73)
glaciers/ice sheets , ground water , snow/ice , surface water , water quality/water chemistry ...

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