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The NASA Global Change Master Directory (GCMD) staff is pleased to announce the release of the GCMD Keywords Version 14.1. Please find below a table of the keywords. All keywords are new except where noted as Updated. Please post any questions about this release to the GCMD Keyword Forum.

The keywords help facilitate the classification and discovery of Earth Science data by providing a rich vocabulary for characterizing the data. The GCMD keywords are used by hundreds of data providers worldwide for categorizing the ~52,000 records stored in the Common Metadata Repository

For more information about the keywords and how to access them, please visit the Keyword Landing Page. Questions about the keywords can be submitted to support@earthdata.nasa.gov or directed to Valerie Dixon at valerie.dixon@nasa.gov.

GCMD Keywords Version 14.1

Keyword TypeFollow links to view Keyword details in the GCMD Keyword Viewer
Data FormatNITF21NCDRD > NITF (NCDRD) Raster Type
Science KeywordEARTH SCIENCE > ATMOSPHERE > CLOUDS> CLOUD MICROPHYSICS > ICE NUCLEI
Science KeywordEARTH SCIENCE > OCEANS > SALINITY/DENSITY > OCEAN SALINITY > SALT FLUX
Science KeywordEARTH SCIENCE > CRYOSPHERE > SEA ICE > HEAT FLUX > SENSIBLE HEAT FLUX
Science KeywordEARTH SCIENCE > OCEANS > PRECIPITATION > SOLID PRECIPITATION > SNOW
Science KeywordEARTH SCIENCE > OCEANS > PRECIPITATION > LIQUID PRECIPITATION > RAIN
Science KeywordEARTH SCIENCE > OCEANS > OCEAN WINDS > WIND VELOCITY/SPEED
Science KeywordEARTH SCIENCE  > OCEANS> SEA ICE > SEA ICE AREA
Science KeywordEARTH SCIENCE > OCEANS> SEA ICE > SEA ICE VOLUME
Science KeywordEARTH SCIENCE > CRYOSPHERE> SEA ICE> SEA ICE STRAIN RATES
Science KeywordEARTH SCIENCE > CRYOSPHERE> SEA ICE> SEA ICE STRENGTH
Science KeywordEARTH SCIENCE> CRYOSPHERE> SEA ICE> HEAT FLUX> SENSIBLE HEAT FLUX
Science KeywordEARTH SCIENCE> CRYOSPHERE> SEA ICE> HEAT FLUX> LATENT HEAT FLUX
Science KeywordEARTH SCIENCE> CRYOSPHERE> SEA ICE> HEAT FLUX> LONGWAVE HEAT FLUX
Science KeywordEARTH SCIENCE> CRYOSPHERE> SEA ICE> HEAT FLUX> SHORTWAVE HEAT FLUX
Science KeywordEARTH SCIENCE > LAND SURFACE > LAND USE/LAND COVER > LAND/OCEAN/ICE MASK
Science KeywordEARTH SCIENCE > LAND SURFACE > LAND USE/LAND COVER > LAND/OCEAN/ICE FRACTION
Science KeywordEARTH SCIENCE > OCEANS > GEOLOGICAL FEATURES > LAND/OCEAN/ICE MASK
Science KeywordEARTH SCIENCE > OCEANS > GEOLOGICAL FEATURES > LAND/OCEAN/ICE FRACTION
Data Format(Update) AMES > NASA Ames Format for Data Exchange
Data Format(Update) ISI > Indian Standards Institute
Data Format(Update) RB5 > Qualcomm Flight RB5 5G
Data Format(Update) SonTek Castaway CTD > Castaway Conductivity, Temperature, and Depth
Data Format(Update) TimeseriesML > Timeseries Profile of Observations and Measurements
Data Format(Update) Valeport CTD > Valeport Conductivity, Temperature, and Depth
Data Format(Update) XTDR > External Standard Data Representation
ProjectsACMAP > Atmospheric Composition Modeling and Analysis Program
ProvidersU-UTAH/GEOG > Department of Geography, University of Utah



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