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EOSDIS is designed as a distributed system, with major facilities at Distributed Active Archive Centers (DAACs) located throughout the United States. These institutions are custodians of EOS mission data and ensure that data will be easily accessible to users. The EOSDIS DAACs process, archive, document, and distribute data from NASA's past and current Earth-observing satellites and field measurement programs. Acting in concert, the DAACs provide reliable, robust services to users whose needs may cross the traditional boundaries of a science discipline, while continuing to support the particular needs of users within the discipline communities. User services include:

  • Assistance in selecting and obtaining data
  • Access to data-handling and visualization tools
  • Notification of data-related news
  • Technical support and referrals
Data Center MapClick on the map for a larger version.


Clicking on the DAAC name will take you to a page with more information about the DAAC.

Clicking on a topic will take you to the webpage at the DAAC with more information or tools on how to get the data.