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
SMAP L-Band Radiometer Resources
Read the latest SMAP L-Band Radiometer news and access learning resources designed to help you optimize your Earth science research.
SMAP L-Band Radiometer Learning Resources
Learn more about NASA's Application for Extracting and Exploring Analysis Ready Samples (AppEEARS). This webinar showcases the system's capabilities and highlights learning resources to help simplify data access workflows using AppEEARS.
Webinar
April 9, 2024
This webinar will compare sea surface salinity data collected by the Aquarius and SMAP missions. We will showcase data visualization and data access tools available through NASA's Physical Oceanography Distributed Active Archive Center.
Webinar
April 19, 2022
SHOWING 2 OF 2
Access Sea Surface Salinity with Sea Ice Mask, a NASA Satellite Needs Working Group solution, to discern salinity values close to the sea ice edge.
News
May 7, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in February 2025.
News
March 6, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in November 2024.
News
Dec. 4, 2024
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in September 2024.
News
Oct. 3, 2024
SHOWING 4 OF 31
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