Alaska Satellite Facility - Distributed Active Archive Center

Citation Policy for Data and Imagery Accessed Through ASF

Instructions for specific datasets

Whenever you publish data processed or archived at ASF or ASF DAAC, cite ASF or ASF DAAC as the data source, following the guidelines below. Examples include but are not limited to papers, presentations, websites, videos, and books. When you discuss with news organizations your use of data processed or archived at ASF or ASF DAAC, please cite ASF or ASF DAAC as well as the data source. In general, cite the following elements:

  1. Name of dataset
  2. Source of original data (requirements may vary depending on source; see links below)
  3. Year of data acquisition 
  4. “Processed by ASF” if applicable or “Processed by ASF DAAC” if applicable
  5. “Retrieved from ASF [day month year of data access]” or “Retrieved from ASF DAAC” if the data are ASF DAAC data
  6. DOI when available (some datasets have their own DOIs)

Crediting Imagery

Include credit with each image shown in publications such as journal papers, articles, posters, and websites. See links below for specific formats and examples for datasets with their own requirements.

The general guidelines are to credit the source organization with a copyright symbol and cite the year of data acquisition. For derivative images, cite the creator, date of image creation, source organization, and date of data acquisition. 

About ASF DAAC datasets

ASF DAAC datasets are provided through the NASA Earth Science Data and Information System (ESDIS) project. ASF DAAC is one of the Earth Observing System Data and Information System (EOSDIS) Distributed Active Archive Centers (DAACs), part of the ESDIS project. NASA data are not copyrighted; however, when you publish NASA data or results derived therefrom, NASA requests that you include an acknowledgment within the text of the publication and reference list. See the examples below. 

Please note that some datasets, particularly those from foreign space agencies, have special citation requirements.

Links to Specific Citation Formats and Examples

Using ASF Web Information

Some images at this website are explicitly restricted from reuse without the author’s permission. Where images are not marked, you may reuse them but must include any copyright associated with the image. Whenever you use any materials from this website, please also acknowledge ASF as follows: “Information [and images] on [SUBJECT] obtained from, Alaska Satellite Facility, UAF, [Month, Year].” 

Please send reprints and two copies of any work citing ASF data to [email protected], with “New ASF Citation” in the subject line or to

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   Fairbanks, AK 99775


  If you have any questions about using ASF data or information, please contact us.