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AGRICULTURE (3)
agricultural engineering , forest science , soils ...
LAND SURFACE (74)
erosion/sedimentation , frozen ground , geomorphic landforms/processes , land use/land cover , landscape ...
ATMOSPHERE (174)
aerosols , air quality , altitude , atmospheric chemistry , atmospheric phenomena ...
OCEANS (11)
bathymetry/seafloor topography , marine geophysics , ocean chemistry , ocean circulation , ocean heat budget ...
BIOSPHERE (55)
aquatic ecosystems , ecological dynamics , terrestrial ecosystems , vegetation ...
SOLID EARTH (26)
geodetics , geomagnetism , geomorphic landforms/processes , gravity/gravitational field , rocks/minerals/crystals ...
CLIMATE INDICATORS (6)
atmospheric/ocean indicators ...
SPECTRAL/ENGINEERING (151)
gamma ray , infrared wavelengths , lidar , microwave , platform characteristics ...
CRYOSPHERE (8)
glaciers/ice sheets , sea ice , snow/ice ...
SUN-EARTH INTERACTIONS (67)
ionosphere/magnetosphere dynamics , solar activity , solar energetic particle flux , solar energetic particle properties ...
HUMAN DIMENSIONS (24)
environmental governance/management , environmental impacts , habitat conversion/fragmentation , natural hazards , public health ...
TERRESTRIAL HYDROSPHERE (10)
ground water , snow/ice , surface water ...

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