How to cite the Global Change Master Directory
It is the responsibility of the GCMD to share NASA's Earth science metadata according to national and international mandates.
Authors are expected to cite metadata obtained through the GCMD publications using the following citation:
National Aeronautics and Space Administration (NASA), Global Change Master Directory (GCMD), 2018, Version 10.0.
Direct hyperlinks to individual metadata are available using the following links:
- Data Set Description: https://gcmd.nasa.gov/getdif.htm?Entry_ID
- Data Service Description: https://gcmd.nasa.gov/getserf.htm?Entry_ID
Example Data Service: https://gcmd.nasa.gov/getserf.htm?Glob_Chng_Mast_Direct
Example Data Set: https://gcmd.nasa.gov/getdif.htm?CIESIN_SEDAC_GPWv4_ADUCPPE_004
Individuals and groups using the GCMD keywords should use the following citation:
Global Change Master Directory (GCMD). 2018. GCMD Keywords, Version 8.6. Greenbelt, MD: Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://earthdata.nasa.gov/gcmd-forum
GCMD Logos and Images
The GCMD follows NASA policies regarding the use of logos and images. Please see: http://www.nasa.gov/audience/formedia/features/MP_Photo_Guidelines.html. We ask that GCMD be given credit for its original materials; the only mandatory credit is to NASA.
National Aeronautics and Space Administration (NASA), Global Change Master Directory (GCMD), 2018, Version10.0.
Linking to the GCMD
NASA web sites are not copyrighted and may be linked to the directory from other web sites, including an individual’s personal web sites, without explicit permission from NASA. Such links do not explicitly or implicitly convey NASA's endorsement of the site referencing any of the GCMD services.