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 Resources
Earthdata offers a range of resources for users working with Soil Moisture Active Passive (SMAP) data. These include tutorials and other learning opportunities as well as related news, documents, and frequently asked questions.
Table of contents
Documents
| Name Sort descending | Description | File Type | Date Published | |
|---|---|---|---|---|
| NASA/RSS SMAP Salinity: Version 5.0 Validated Release | NASA/RSS SMAP Salinity: Version 5.0 Validated Release | June 21, 2023 | ||
| NASA/RSS SMAP Salinity: Version 6.0 Validated Release | NASA/RSS SMAP Salinity: Version 6.0 Validated Release - Release Notes | Jan. 18, 2024 | ||
| SMAP Salinity and Wind Speed Data User Guide | SMAP Salinity and Wind Speed Data User Guide | Nov. 12, 2020 |
SHOWING 3 OF 3
SMAP Learning Resources
The Emergency Environmental Health Dashboard helped local communities assess water quality risks and infrastructure damage following Hurricane Helene and Tropical Storm Chantal.
Data in Action
Nov. 18, 2025
This in-person ARSET training covers creating disaster products to accelerate NASA Earth science use in finance and insurance decision making.
Training
Nov. 12, 2025
This advanced-level training focuses on using remote sensing observations for monitoring post-fire impacts on watershed health.
Training
July 6-13, 2023
This ARSET training teaches participants how satellite-based Earth observations can inform landslide science and disaster planning.
Training
March 11-18, 2025
Can summer salinity values help better predict ice formation in the fall?
StoryMap
Jan. 22, 2025
Join us to learn more about datasets and tools that enable the harmonization of remote sensing and in situ ecological data products for site-based research.
Webinar
Aug. 22, 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
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
SMAP News
View All News
Filters
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in August 2025.
News
Sept. 4, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in July 2025.
News
Aug. 13, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in June 2025.
News
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
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in April 2025.
News
May 13, 2025
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
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