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The GCMD/IDN staff is pleased to announce the release of version 8.1 of the GCMD/IDN Science Keywords. Additions and changes to the keywords are the result of collaborations with the Earth Science community. This release represents a revision to the Land Surface and Atmosphere keywords below that includes 246 new keywords and 10 updated keywords.

* Land Surface > Geomorphic Landforms/Processes
* Land Surface > Land Use/Land Cover
* Land Surface > Surface Thermal Properties
* Land Surface > Surface Radiative Properties
* Land Surface > Topography
* Atmosphere > Atmospheric Temperature
* Atmosphere > Atmospheric Precipitation

You can access and review the full list of keywords at<>. For information about accessing the keywords using the RESTFul service (API), please visit<>. If you have any questions, please contact our user support office at gsfc-gcmduso at<mailto:gsfc-gcmduso at>.

Please use the following citation for the GCMD keywords:

Global Change Master Directory (GCMD). 2015. GCMD Keywords, Version 8.1. Greenbelt, MD: Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA). URL:

For additional information on the science keywords and how to suggest changes or additions, please see:

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