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The NASA Global Change Master Directory (GCMD) staff is pleased to announce the release of the GCMD keywords version 12.0. Version 12.0 of the keywords consists of new and revised Ocean keywords to more closely align with the NOAA Technology, Planning, and Integration for Observation (TPIO) keywords and based on a community review conducted through NASA's Earth Science Data and Information Systems (ESDIS) Standards Office (ESO). Based on the review, there were 61 new keywords and 8 revised keywords. The revised keyword paths included moving 'OCEAN SALINITY BUDGET' to be under 'OCEAN SALINITY'. Since there were no collection records with these keywords, there is no user impact. 5 additional new keywords were added based on requests from the keyword community.


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 ~33,000 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.



Ocean Keywords added from NOAA-TPIO Keyword Review

Keyword TypeFollow links to view Keyword details in the GCMD Keyword Viewer
Science KeywordOceans > Hydrography
Science KeywordOceans > Coastal Processes > Shorelines > Shoreline Mapping
Science KeywordOceans > Coastal Processes > Coral Reefs > Coral Reef Assessment 
Science KeywordOceans > Coastal Processes > Coral Reefs > Coral Reef Extent 
Science KeywordOceans > Coastal Processes > Bottom Cover Type
Science KeywordOceans > Marine Environment Monitoring > Marine Surface Elements 
Science KeywordOceans > Marine Environment Monitoring > Marine Surface Elements > Marine Vessels
Science KeywordOceans > Marine Environment Monitoring > Marine Surface Elements > Marine Surface Debris 
Science KeywordOceans > Marine Environment Monitoring > Marine Submerged Debris 
Science KeywordOceans > Marine Environment Monitoring > Marine Submerged Debris > Enforcement 
Science KeywordOceans > Ocean Acoustics > Ambient Noise > Biological Ambient Noise 
Science KeywordOceans > Ocean Acoustics > Ambient Noise > Physical Ambient Noise 
Science KeywordOceans > Ocean Acoustics > Ambient Noise > Total Ambient Noise 
Science KeywordOceans > Ocean Chemistry > Nutrients > Nutrient Profiles 
Science KeywordOceans > Ocean Chemistry > Nutrients > Surface Nutrients 
Science KeywordOceans > Ocean Chemistry >Organic Matter > Colored Dissolved Organic Matter 
Science KeywordOceans > Ocean Chemistry > Carbon Dioxide > Carbon Dioxide Partial Pressure 
Science KeywordOceans > Ocean Circulation > Ocean Currents > Subsurface Currents 
Science KeywordOceans > Ocean Circulation > Ocean Currents > Current Profiles 
Science KeywordOceans > Ocean Circulation > Ocean Currents > Surface Currents 
Science KeywordOceans > Ocean Circulation > Ocean Currents > Speed Profiles
Science KeywordOceans > Ocean Circulation > Eddies > Submesocale Eddies 
Science KeywordOceans > Ocean Circulation > Eddies > Mesoscale Eddies 
Science KeywordOceans > Ocean Circulation > Subduction 
Science Keyword

Oceans > Ocean Circulation >Vorticity > Relative Vorticity 

Science KeywordOceans > Ocean Circulation >Vorticity > Potential Vorticity
Science KeywordOceans > Ocean Circulation >Ocean Currents > Surface Speed
Science KeywordOceans > Ocean Optics > Chlorophyll
Science KeywordOceans > Ocean Optics > Chlorophyll > Chlorophyll Concentration 
Science KeywordOceans > Ocean Temperature > Ocean Temperature Profiles 
Science KeywordOceans > Ocean Temperature > Ocean Barrier Layers 
Science Keyword

Oceans > Ocean Waves > Swells > Swell Direction 

Science KeywordOceans > Ocean Waves > Swells > Swell Height
Science KeywordOceans > Ocean Waves > Swells > Swell Period 
Science Keyword

Oceans > Ocean Waves > Wave Direction 

Science KeywordOceans > Ocean Waves  Wave Speed
Science KeywordOceans > Ocean Winds > Surface Winds > Wind Direction 
Science KeywordOceans > Ocean Winds > Surface Winds > Wind Speed
Science KeywordOceans > Salinity/Density > Ocean Salinity
Science KeywordOceans > Salinity/Density > Ocean Salinity > Absolute Salinity 
Science KeywordOceans > Salinity/Density > Ocean Salinity > Practical Salinity 
Science Keyword

Oceans > Salinity/Density > Ocean Salinity > Ocean Salinity Profiles 

Science KeywordOceans > Salinity/Density > Ocean Salinity > Ocean Surface Salinity 
Science KeywordOceans > Salinity/Density > Conductivity > Conductivity Profiles 
Science KeywordOceans > Salinity/Density > Conductivity > Surface Conductivity 
Science KeywordOceans > Sea Ice > Sea Ice Topography
Science Keyword

Oceans > Sea Surface Topography > Sea Level 

Science KeywordOceans > Sea Surface Topography > Sea Level > Sea Level Anomaly
Science KeywordOceans > Sea Surface Topography > Sea Level > Mean Sea Level 
Science KeywordOceans > Sea Surface Topography >Dynamic Topography
Science KeywordOceans > Sea Surface Topography >Dynamic Topography > Absolute Dynamic Topography
Science KeywordOceans > Sea Ice > Sea Surface Topography >Dynamic Topography > Mean Dynamic Topography
Science KeywordOceans > Sea Surface Topography > Mean Sea Surface 
Science KeywordOceans > Sea Ice > Sea Ice Motion > Sea Ice Direction 
Science KeywordOceans > Sea Ice > Sea Ice Motion > Sea Ice Speed
Science KeywordOceans > Sea Ice > Sea Ice Origin
Science KeywordOceans >Water Quality > Harmful Algal Bloom (HABs)
Science KeywordOceans >Water Quality > Harmful Algal Bloom (HABs) > Cell Concentration 
Science KeywordOceans >Water Quality > Harmful Algal Bloom (HABs) > Toxin Concentration 
Science KeywordOceans >Water Quality >Sea Surface Contaminants
Science KeywordOceans > Water Quality > Sea Surface Contaminants > Microplastic Concentration
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget 
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Advection
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Diffusion
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Evaporation 
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Ice Growth/Melt
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Precipitation 
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Runoff
(Update) Science KeywordOceans > Salinity/Density > Ocean Salinity >Ocean Salinity Budget > Snow Melt




Additional Keywords added from Keyword Community

Keyword TypeFollow links to view Keyword details in the GCMD Keyword Viewer
InstrumentMXGS > Modular X and Gamma Ray Instrument
InstrumentMMIA > Modular Multi-Imaging Assemble
Related URL TypeVisualizationURL > Color Map > GITC
Related URL TypeVisualizationURL > Color Map > Harmony GDAL
Related URL TypeVisualizationURL > Color Map > Giovanni
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