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
KaRIn Resources
Read the latest Ka-band Radar Interferometer (KaRIn) news and access learning resources designed to help you optimize your Earth science research.
KaRIn Learning Resources
SWOT data reveals the topography of the ocean surface at finer scales than ever before.
Data in Action
Dec. 7, 2023
The Surface Water and Ocean Topography (SWOT) mission will provide the first-ever full view of Earth's freshwater bodies from space.
Data in Action
Dec. 12, 2022
SWOT and ECCO can measure sea surface height at different resolutions for monitoring the ocean's vertical heat, carbon transport, and other processes.
Data in Action
Nov. 2, 2022
Join us to learn about NASA's archive for physical oceanography data in the context of Open Science. We'll provide you with an introduction to remote sensing and in situ products at PO.DAAC and show you how to work with these data in the cloud.
Webinar
April 22, 2021
Charting global mean sea level rise since 1900.
Data in Action
Nov. 19, 2020
SHOWING 5 OF 13
The Water Information from SPace (WISP) dashboard brings together data from NASA’s SWOT satellite and USGS streamgages in a user-friendly application.
Blog
July 30, 2025
Join us on Wed., July 30 at 2:00 p.m. EDT (-04:00 UTC) to explore SWOT hydrology data collections of rivers and lakes, and to learn how to work with SWOT hydrology data using tools provided by both NASA's PO.DAAC and the USGS.
Webinar
July 18, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in May 2025.
News
June 12, 2025
Hydrocron, an API for time series retrievals of hydrology data products from the Surface Water and Ocean Topography (SWOT) mission, is now available.
News
Oct. 22, 2024
SHOWING 4 OF 27
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses