We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
A DSWx-S1 processing issue that combined Sentinel-1A and -1C data into a single product was fixed on Dec. 9, 2025. Affected products are being reprocessed, with completion expected by January 2026.
Learn more.
PO.DAAC Learning Resources
Learning resources created by NASA’s Physical Oceanography Distributed Active Archive Center (PO.DAAC) help users find, analyze, and visualize data.
The PO.DAAC cookbook is a repository of tutorials designed to help users learn about and experiment with datasets.
Resources include:
- How-to section: bite-sized pieces of code
- Tutorials: example workflows specific to PO.DAAC datasets
- Advanced Cloud resources: guides, recipes, and more to help optimize cloud workflows
- Tech Guide: instructions to clone the PO.DAAC repository
Filters
Discover the who, what, and why behind SASSIE's data collection.
StoryMap
Aug. 22, 2024
Earth observation data help scientists accurately measure changes to Earth's month-to-month mass and the estimated amount of water beneath its surface.
Data in Action
Aug. 13, 2024
Use HiTIDE to select, subset, and download KaRIn sea surface height data from SWOT.
Tutorial
June 11, 2024
Research shows that coastal sea surface temperatures could be used as a proxy for detecting changes that are expected in the cycling of water between the oceans and continents.
Data in Action
April 18, 2024
SWOT presents opportunities and challenges in characterizing sea surface height anomalies.
Data in Action
March 14, 2024
Learn how to discover, access, and use Surface Water and Ocean Topography (SWOT) mission data and how these data can lead to new, innovative science and applications in the world of water.
Webinar
March 6, 2024
The SASSIE project aimed to determine if sea surface salinity variations generated by summer sea ice melt are an important predictor for sea ice advance in the fall.
Data in Action
Jan. 30, 2024