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Each Committee on Earth Observation Satellites (CEOS) Missions, Instruments, and Measurements (MIM) keyword has been mapped to a Global Change Master Directory (GCMD) Keyword. This table shows the mapping between the MIM keywords and the GCMD keywords.

CEOS MIM KeywordsTopicTermVariable_Level_1Varaiable_Level_2Variable_Level_3
Aerosol Absorption Optical Depth (Column/Profile)AtmosphereAerosolsAerosol Optical Depth/Thickness  
Aerosol Effective Radius (Column/Profile)AtmosphereAerosolsAerosol Particle Properties  
Aerosol Extinction / Backscatter (Column/Profile)AtmosphereAerosolsAerosol Backscatter  
Aerosol Optical Depth (Column/Profile)AtmosphereAerosolsAerosol Optical Depth/Thickness  
Atmospheric Chemistry - BrO (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensBromine Monoxide 
Atmospheric Chemistry - C2H2 (Column/Profile)AtmosphereAtmospheric ChemistryCarbon And Hydrocarbon CompoundsNon-Methane Hydrocarbons/Volatile Organic Compounds 
Atmospheric Chemistry - C2H6 (Column/Profile)AtmosphereAtmospheric ChemistryCarbon And Hydrocarbon CompoundsNon-Methane Hydrocarbons/Volatile Organic Compounds 
Atmospheric Chemistry - CFC-11 (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensChlorofluorocarbons 
Atmospheric Chemistry - CFC-12 (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensChlorofluorocarbons 
Atmospheric Chemistry - CH3Br (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensMethyl Bromide 
Atmospheric Chemistry - CH4 (Column/Profile)AtmosphereAtmospheric ChemistryCarbon And Hydrocarbon CompoundsMethane 
Atmospheric Chemistry - ClO (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensChlorine Monoxide 
Atmospheric Chemistry - ClONO2 (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensChlorine Nitrate 
Atmospheric Chemistry - CO (Column/Profile)AtmosphereAir QualityCarbon Monoxide  
Atmospheric Chemistry - CO (Column/Profile)AtmosphereAtmospheric ChemistryCarbon MonoxideCarbon And Hydrocarbon Compounds 
Atmospheric Chemistry - CO2 (Column/Profile)AtmosphereAtmospheric ChemistryCarbon And Hydrocarbon CompoundsCarbon Dioxide 
Atmospheric Chemistry - COS (Column/Profile)AtmosphereAtmospheric ChemistrySulfur CompoundsCarbonyl Sulfide 
Atmospheric Chemistry - HCFC-22 (Column/Profile)AtmosphereAtmospheric ChemistryHalocarbons And HalogensHydrochlorofluorocarbons 
Atmospheric Chemistry - HCl (Column/Profile)AtmosphereAtmospheric ChemistryCarbon And Hydrocarbon CompoundsChlorinated Hydrocarbons 
Atmospheric Chemistry - HNO3 (Column/Profile)AtmosphereAtmospheric ChemistryNitrogen CompoundsNitric Acid 
Atmospheric Chemistry - NO2 (Column/Profile)AtmosphereAtmospheric ChemistryNitrogen Compounds  
Atmospheric Chemistry - N2O (Column/Profile)AtmosphereAtmospheric ChemistryNitrogen CompoundsNitrous Oxide 
Atmospheric Chemistry - N2O5 (Column/Profile)AtmosphereAtmospheric ChemistryNitrogen CompoundsDinitrogen Pentoxide 
Atmospheric Chemistry - NO (Column/Profile)AtmosphereAtmospheric ChemistryNitrogen CompoundsNitrogen Oxides 
Atmospheric Chemistry - NO2 (Column/Profile)AtmosphereAir QualityNitrogen Oxides  
Atmospheric Chemistry - NO2 (Column/Profile)AtmosphereAtmospheric ChemistryNitrogen CompoundsNitrogen Dioxide 
Atmospheric Chemistry - OClO (Column/Profile)AtmosphereAtmospheric ChemistryCarbon And Hydrocarbon CompoundsHypochlorous Monoxide 
Atmospheric Chemistry - OH (Column/Profile)AtmosphereAtmospheric ChemistryHydrogen CompoundsHydroxyl 
Atmospheric Chemistry - SO2 (Column/Profile)AtmosphereAtmospheric ChemistrySulfur Compounds Sulfur Dioxide  
Atmospheric Chemistry - SO2 (Column/Profile)AtmosphereAtmospheric ChemistrySulfur Compounds Sulfur Oxides  
Atmospheric Pressure (Over Land Surface)AtmosphereAtmospheric PressureSurface Pressure  
Atmospheric Pressure (Over Land Surface)AtmosphereAtmospheric PressureAtmospheric Pressure Measurements  
Atmospheric Pressure (Over Sea Surface)AtmosphereAtmospheric PressureSurface Pressure  
Atmospheric Pressure (Over Sea Surface)AtmosphereAtmospheric PressureSea Level Pressure  
Atmospheric Pressure (Over Sea Surface)OceansOcean PressureSea Level Pressure  
Atmospheric Specific Humidity (Column/Profile)AtmosphereAtmospheric Water VaporWater Vapor  
Atmospheric Specific Humidity (Column/Profile)AtmosphereAtmospheric Water VaporWater Vapor IndicatorsHumidity 
Atmospheric Specific Humidity (Column/Profile)AtmosphereAtmospheric Water VaporWater Vapor IndicesHumidity Index 
Atmospheric Specific Humidity (Column/Profile)AtmosphereAtmospheric Water VaporWater Vapor Profiles  
Atmospheric Specific Humidity (Column/Profile)Climate IndicatorsAtmospheric/Ocean IndicatorsHumidity IndicesHumidity Index 
Atmospheric Stability IndexAtmosphereAtmospheric TemperatureAtmospheric Stability  
Atmospheric Temperature (At Surface)AtmosphereAtmospheric TemperatureSurface Temperature  
Atmospheric Temperature (Column/Profile)AtmosphereAtmospheric TemperatureSurface Temperature  
Atmospheric Temperature (Column/Profile)AtmosphereAtmospheric TemperatureUpper Air Temperature  
BathymetryOceansBathymetry/Seafloor TopographyBathymetry  
Cloud Base HeightAtmosphereCloudsCloud PropertiesCloud Base Height 
Cloud CoverAtmosphereCloudsConvective Clouds/Systems (Observed/Analyzed)  
Cloud CoverAtmosphereCloudsStratospheric Clouds (Observed/Analyzed)  
Cloud CoverAtmosphereCloudsTropospheric/High-Level Clouds (Observed/Analyzed)  
Cloud CoverAtmosphereCloudsTropospheric/Low-Level Clouds (Observed/Analyzed)  
Cloud CoverAtmosphereCloudsTropospheric/Mid-Level Clouds (Observed/Analyzed)  
Cloud Drop Size (At Cloud Top)AtmosphereCloudsCloud MicrophysicsCloud Droplet Concentration/Size 
Cloud Drop Size (At Cloud Top)AtmospherePrecipitationDroplet Size  
Cloud Ice (Column/Profile)AtmosphereCloudsCloud MicrophysicsCloud Liquid Water/Ice 
Cloud Ice Content (At Cloud Top)AtmosphereCloudsCloud MicrophysicsCloud Liquid Water/Ice 
Cloud ImageryAtmosphereCloudsConvective Clouds/Systems (Observed/Analyzed)  
Cloud ImageryAtmosphereCloudsStratospheric Clouds (Observed/Analyzed)  
Cloud ImageryAtmosphereCloudsTropospheric/High-Level Clouds (Observed/Analyzed)  
Cloud ImageryAtmosphereCloudsTropospheric/Low Level Clouds (Observed/Analyzed)  
Cloud ImageryAtmosphereCloudsTropospheric/Mid-Level Clouds (Observed/Analyzed)  
Cloud Liquid Water (Column/Profile)AtmosphereCloudsCloud MicrophysicsCloud Liquid Water/Ice 
Cloud MaskAtmosphereCloudsConvective Clouds/Systems (Observed/Analyzed)  
Cloud MaskAtmosphereCloudsStratospheric Clouds (Observed/Analyzed)  
Cloud MaskAtmosphereCloudsTropospheric/High-Level Clouds (Observed/Analyzed)  
Cloud MaskAtmosphereCloudsTropospheric/Low Level Clouds (Observed/Analyzed)  
Cloud MaskAtmosphereCloudsTropospheric/Mid-Level Clouds (Observed/Analyzed)  
Cloud Optical DepthAtmosphereCloudsCloud MicrophysicsCloud Optical Depth/Thickness 
Cloud Top HeightAtmosphereCloudsCloud PropertiesCloud Height 
Cloud Top TemperatureAtmosphereCloudsCloud PropertiesCloud Top Temperature 
Cloud TypeAtmosphereCloudsCloud Types  
Color Dissolved Organic Matter (CDOM)OceansOcean ChemistryOrganic Matter  
Color Dissolved Organic Matter (CDOM)OceansOcean ChemistryDissolved Solids  
Color Dissolved Organic Matter (CDOM)OceansOcean OpticsOcean Color  
Crustal MotionSolid EarthGravity/Gravitational FieldCrustal Motion  
Crustal Plates PositioningSolid EarthTectonicsPlate Tectonics  
Downwelling Long-Wave Radiation At Earth's SurfaceAtmosphereAtmospheric RadiationLongwave Radiation  
Downwelling Long-Wave Radiation At Earth's SurfaceOceansOcean Heat BudgetLongwave Radiation  
Downwelling Short-Wave Radiation At Earth's SurfaceAtmosphereAtmospheric RadiationShortwave Radiation  
Downwelling Short-Wave Radiation At Earth's SurfaceOceansOcean Heat BudgetShortwave Radiation  
Downwelling Solar Radiation At Top of Atmosphere (TOA)AtmosphereAtmospheric RadiationSolar Radiation  
Downwelling Solar Radiation At TOAAtmosphereAtmospheric RadiationIncoming Solar Radiation  
Earth Surface AlbedoAtmosphereAtmospheric RadiationAlbedo  
Earth Surface AlbedoLand SurfaceSurface Radiative PropertiesAlbedo  
Fire AreaHuman DimensionsNatural HazardsWildfires  
Fire TemperatureLand SurfaceSurface Thermal PropertiesLand Surface Temperature  
Fire TemperatureLand SurfaceSurface Thermal PropertiesSkin Temperature  
Fractionally Absorbed Par (FPAR)BiosphereVegetation   
Fractionally Absorbed Par (FPAR)BiosphereVegetationPhotosynthetically Active Radiation  
Fractionally Absorbed Par (FPAR)OceansOcean OpticsPhotosynthetically Active Radiation  
GeoidSolid EarthGeodeticsGeoid Characteristics  
Glacier CoverCryosphereFrozen GroundRock Glaciers  
Glacier CoverEarth ScienceCryosphereGlaciers/Ice Sheets  
Glacier MotionCryosphereFrozen GroundPeriglacial Processes  
Glacier MotionCryosphereGlaciers/Ice SheetsGlacier Motion/Ice Sheet Motion  
Glacier TopographyCryosphereGlaciers/Ice SheetsGlacier Elevation/Ice Sheet Elevation  
Glacier TopographyCryosphereGlaciers/Ice SheetsGlacier Topography/Ice Sheet Topography  
Gravity FieldSolid EarthGravity/Gravitational FieldGravity  
Gravity GradientsSolid EarthGravity/Gravitational FieldGravitational Field  
Height Of The Top Of The Planetary Boundary LayerAtmosphereAtmospheric PressurePlanetary Boundary Layer Height  
Height Of TropopauseAtmosphereAltitudeTropopause  
Ice Sheet TopographyCryosphereGlaciers/Ice SheetsGlacier Elevation/Ice Sheet Elevation  
Ice Sheet TopographyCryosphereGlaciers/Ice SheetsGlacier Topography/Ice Sheet Topography  
Iceberg Fractional CoverCryosphereGlaciers/Ice SheetsIcebergs  
Iceberg Fractional CoverCryosphereSea IceIcebergs  
Iceberg HeightCryosphereGlaciers/Ice SheetsGlacier Topography/Ice Sheet Topography  
Iceberg HeightTerrestrialHydrosphereGlaciers/Ice SheetsGlacier Elevation/Ice Sheet Elevation 
Land CoverLand SurfaceLand Use/Land Cover   
Land Surface ImageryLand SurfaceLand Use/Land Cover   
Land Surface TemperatureLand SurfaceSurface Thermal PropertiesLand Surface Temperature  
Land Surface TemperatureLand SurfaceSurface Thermal PropertiesSkin Temperature  
Land Surface TopographyLand SurfaceTopography   
Leaf Area Index (LAI)BiosphereVegetationLeaf Characteristics  
Lightning DetectionAtmosphereAtmospheric ElectricityLightning  
Long-Wave Cloud EmissivityAtmosphereCloudsCloud Radiative TransferCloud Emissivity 
Long-Wave Earth Surface EmissivityAtmosphereAtmospheric RadiationEmissivity  
Long-Wave Earth Surface EmissivityLand SurfaceSurface Radiative PropertiesEmissivity  
Magnetic Field (Scalar)Solid EarthGeomagnetismMagnetic Field  
Magnetic Field (Vector)Solid EarthGeomagnetismMagnetic Field  
Normalized Differential Vegetation Index (NDVI)BiosphereVegetationVegetation Index  
Ocean Chlorophyll ConcentrationOceansOcean ChemistryPigmentsChlorophyll 
Ocean Chlorophyll ConcentrationOceansOcean OpticsOcean Color  
Ocean Dynamic TopographyOceansOcean WavesTopographic Waves  
Ocean ImageryOceansOcean Optics   
Ocean SalinityOceansSalinity/DensitySalinity  
Ocean Surface Currents (Vector)OceansOcean CirculationOcean Currents  
Ocean Suspended Sediment ConcentrationOceansOcean ChemistrySuspended Solids  
Outgoing Long-Wave Radiation At Earth's SurfaceAtmosphereAtmospheric RadiationLongwave Radiation  
Outgoing Long-Wave Radiation At Earth's SurfaceAtmosphereAtmospheric RadiationOutgoing Longwave Radiation  
Outgoing Long-Wave Radiation At Earth's SurfaceOceansOcean Heat BudgetLongwave Radiation  
Outgoing Long-Wave Radiation At TOAAtmosphereAtmospheric RadiationAtmospheric Emitted Radiation  
Outgoing Long-Wave Radiation At TOAAtmosphereAtmospheric RadiationLongwave Radiation  
Outgoing Long-Wave Radiation At TOAAtmosphereAtmospheric RadiationOutgoing Longwave Radiation  
Outgoing Short-Wave Radiation At TOAAtmosphereAtmospheric RadiationShortwave Radiation  
Outgoing Spectral Radiance At TOAAtmosphereAtmospheric RadiationAtmospheric Emitted Radiation  
Ozone ProfileAtmosphereAir QualityTropospheric Ozone  
Ozone ProfileAtmosphereAtmospheric ChemistryOxygen Compounds Ozone  
PermafrostAgricultureSoilsPermafrost  
PermafrostCryosphereFrozen GroundGround Ice  
PermafrostCryosphereFrozen GroundPermafrost  
PermafrostCryosphereFrozen GroundSeasonally Frozen Ground  
PermafrostCryosphereSnow/IcePermafrost  
PermafrostLand SurfaceFrozen GroundSeasonally Frozen Ground  
PermafrostTerrestrialHydrosphereSnow/IcePermafrost 
Photosynthetically Active Radiation (PAR)BiosphereVegetationPhotosynthetically Active Radiation  
Photosynthetically Active Radiation (PAR)OceansOcean OpticsPhotosynthetically Active Radiation  
Precipitation Index (Daily Cumulative)AtmospherePrecipitationPrecipitation Rate  
Precipitation Index (Daily Cumulative)AtmospherePrecipitationLiquid PrecipitationRain 
Precipitation Profile (Liquid Or Solid)AtmospherePrecipitationPrecipitation Rate  
Precipitation Profile (Liquid Or Solid)AtmospherePrecipitationLiquid PrecipitationRain 
Precipitation Rate (Liquid) At The SurfaceAtmospherePrecipitationPrecipitation Rate  
Precipitation Rate (Solid) At The SurfaceAtmospherePrecipitationPrecipitation Rate  
Sea LevelClimate IndicatorsPaleoclimate IndicatorsPaleoclimate ReconstructionsSea Level Reconstruction 
Sea LevelOceansCoastal ProcessesSea Surface Height  
Sea Surface TemperatureOceansOcean TemperatureSea Surface Temperature  
Sea-Ice CoverCryosphereSea IceIce Edges  
Sea-Ice CoverCryosphereSea IceIce Extent  
Sea-Ice CoverOceansSea IceIce Edges  
Sea-Ice CoverOceansSea IceIce Extent  
Sea-Ice Sheet TopographyCryosphereSea IceIce Deformation  
Sea-Ice Sheet TopographyCryosphereSea IceSea Ice Elevation  
Sea-Ice Sheet TopographyOceansSea IceIce Deformation  
Sea-Ice Sheet TopographyOceansSea IceSea Ice Elevation  
Sea-Ice Surface TemperatureCryosphereSea IceIce Temperature  
Sea-Ice ThicknessCryosphereSea IceIce Depth/Thickness  
Sea-Ice ThicknessCryosphereSnow/IceIce Depth/Thickness  
Sea-Ice ThicknessOceansSea IceIce Depth/Thickness  
Sea-Ice TypeCryosphereSea IceIce Types  
Sea-Ice TypeOceansSea IceIce Types  
Short-Wave Cloud ReflectanceAtmosphereCloudsCloud Radiative Transfer  
Short-Wave Earth Surface Bi-Directional ReflectanceAtmosphereAtmospheric RadiationReflectance  
Short-Wave Earth Surface Bi-Directional ReflectanceLand SurfaceSurface Radiative Properties   
Significant Wave HeightOceansOcean WavesSignificant Wave Height  
Significant Wave HeightOceansOcean WavesWave Height  
Snow AlbedoCryosphereSnow/IceAlbedo  
Snow AlbedoTerrestrialHydrosphereSnow/IceAlbedo 
Snow CoverClimate IndicatorsCryospheric IndicatorsSnow Cover  
Snow CoverCryosphereSnow/IceSnow Cover  
Snow CoverTerrestrial HydrosphereSnow/IceSnow Cover  
Snow Detection (Mask)CryosphereSnow/IceSnow Cover  
Snow Melting Status (Wet/Dry)Climate IndicatorsCryospheric IndicatorsSnow Melt  
Snow Melting Status (Wet/Dry)CryosphereSea IceIce Growth/Melt  
Snow Melting Status (Wet/Dry)CryosphereSea IceSnow Melt  
Snow Melting Status (Wet/Dry)CryosphereSnow/IceFreeze/Thaw  
Snow Melting Status (Wet/Dry)Terrestrial HydrosphereSnow/IceFreeze/Thaw  
Snow Melting Status (Wet/Dry)Terrestrial HydrosphereSnow/IceIce Growth/Melt  
Snow Melting Status (Wet/Dry)Terrestrial HydrosphereSnow/IceSnow Melt  
Snow Surface TemperatureCryosphereSnow/IceSnow/Ice Temperature  
Snow Water EquivalentCryosphereSnow/IceSnow Water Equivalent  
Snow Water EquivalentTerrestrial HydrosphereSnow/IceSnow Water Equivalent  
Soil Moisture At The SurfaceAtmosphereAerosolsDust/Ash/Smoke  
Soil Moisture At The SurfaceClimate IndicatorsLand Surface/Agriculture IndicatorsSatellite Soil Moisture  
Soil Moisture At The SurfaceLand SurfaceSoilsSoil Moisture/Water Content  
Soil TypeAgricultureSoilsSoil Classification  
Temperature Of TropopauseAtmosphereAtmospheric TemperatureUpper Air TemperatureVertical Profiles 
Total Electron Content (TEC)AtmosphereAtmospheric ElectricityTotal Electron Content  
TurbulenceAtmosphereAtmospheric WindsWind DynamicsTurbulence 
TurbulenceOceansOcean CirculationTurbulence  
TurbulenceOceansOcean Winds   
Vegetation Canopy (Cover)BiosphereVegetationCanopy Characteristics  
Vegetation Canopy (Height)BiosphereVegetationCanopy Characteristics  
Vegetation CoverBiosphereVegetationForest Composition/Vegetation Structure  
Vegetation CoverBiosphereVegetationVegetation Cover  
Vegetation TypeBiosphereVegetationDeciduous Vegetation  
Vegetation TypeBiosphereVegetationExotic Vegetation  
Vegetation TypeBiosphereVegetationEvergreen Vegetation  
VisibilityAtmosphereAir QualityVisibility  
Volcanic AshSolid EarthTectonicsVolcanic ActivityEruption DynamicsAsh/Dust Composition
Water Vapor ImageryAtmosphereAtmospheric Water Vapor   
Wave Directional Energy Frequency SpectrumOceansOcean WavesWave Speed/Direction  
Wind Profile (Horizontal)AtmosphereAtmospheric WindsUpper Level WindsBoundary Layer Winds 
Wind Profile (Horizontal)AtmosphereAtmospheric WindsWind Profiles  
Wind Profile (Vertical)AtmosphereAtmospheric Winds   
Wind Profile (Vertical)OceansOcean WindsVertical Wind Motion  
Wind Speed Over Land Surface (Horizontal)AtmosphereAtmospheric WindsSurface Winds  
Wind Speed Over Sea Surface (Horizontal)AtmosphereAtmospheric WindsSurface Winds  
Wind Speed Over Sea Surface (Horizontal)OceansOcean WindsSurface Winds  
Wind StressAtmosphereAtmospheric WindsWind DynamicsWind Stress 
Wind Vector Over Land Surface (Horizontal)AtmosphereAtmospheric WindsSurface Winds  
Wind Vector Over Sea Surface (Horizontal)AtmosphereAtmospheric WindsSurface Winds  
Wind Vector Over Sea Surface (Horizontal)OceansOcean WindsSurface Winds