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Poseidon-2 Resources
Earthdata resources for users working with NASA’s Poseidon-2 data include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.
Poseidon-2 Learning Resources
For more than 30 years, NASA and its partners have flown satellite altimeter missions providing essential sea level change data to inform coastal communities.
Data in Action
Feb. 5, 2025
Sentinel-6 and Multi-Scale Ultra-High Resolution data reveal how Hurricane Helene rapidly intensified in the warm Gulf waters.
Data in Action
Oct. 3, 2024
Sea surface height data from the Sentinel-6 Michael Freilich mission reveal complex interactions between the ocean and the atmosphere that affect global weather and climate such as El Niño.
Data in Action
Oct. 31, 2023
SWOT provides high-resolution data to help researchers monitor the vertical transport of heat and carbon within the ocean.
Data in Action
Sept. 15, 2023
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
Improvements in the new version of this gridded product enhance data collection for the oceanography and climate science communities.
Data in Action
June 15, 2022
Waves and Satellites: Effect of El Niño on Big Wave Surfing
Data in Action
Jan. 25, 2016
Learn how satellite altimetry is used to measure the heights of rivers and lakes.
Data in Action
May 11, 2015
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The global average sea level is rising. Dr. Philip Thompson uses NASA Earth science data to explore how—and when—this will affect vulnerable communities.
Data User Story
Dec. 22, 2020
Data from Jason and TOPEX/Poseidon give scientists the first detailed profile of a major tsunami event.
Feature Article
July 22, 2020
The TOPEX and Poseidon satellites monitor ocean surface topography.
Feature Article
July 21, 2020
SHOWING 4 OF 8
Frequently Asked Questions
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