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Terrestrial Hydrosphere News

Articles, resources, and announcements from Terrestrial Hydrosphere.

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True-color corrected reflectance image of ice in the Chesapeake Bay and Delaware Bay on 9 February 2026 from the MODIS instrument aboard the Terra satellite.

Ice in the Chesapeake and Delaware Bays

Image captured February 9, 2026, by the MODIS instrument aboard the Terra platform.

Worldview Image of the Week

Feb. 12, 2026

Flooding in Mozambique

Image captured on December 18, 2025, by the C-Band SAR instrument aboard ESA's Sentinel-1A platform.

Worldview Image of the Week

Jan. 29, 2026

data visualization shows the mean flow of global rivers for March 2023 to May 2025, as seen by the Surface Water and Ocean Topography (SWOT) platform (m3/s). Yellow indicates larger water flow estimates, while blues reflect smaller river flow estimates.

NASA and CNES Release Unprecedented Global River Discharge and Water Quality Estimates

New SWOT L4 river water flow and quality estimates support water resources management, extremes forecasting, and science research.

News

Jan. 16, 2026

False color corrected reflectance image overlaid with flood information from the VIIRS instrument aboard the NOAA-20 and NOAA-21 satellites captured on 23 December 2025

Tonlé Sap, Cambodia

Base image, overlaid with flood information captured on December 23, 2025, by the VIIRS instrument aboard the NOAA-20 platform.

Worldview Image of the Week

Dec. 26, 2025

False-color reflectance Harmonized Landsat Sentinel 2 image of Lake Manly, Death Valley, CA on 10 December 2025 from the OLI instrument aboard Landsat 8 satellite

Ancient Death Valley Lake Reappears

Harmonized Landsat and Sentinel-2 (HLS) image captured on December 1, 2025, by the OLI instrument aboard the Landsat 8 platform.

Worldview Image of the Week

Dec. 12, 2025

Global surface mass anomalies observed by the GRACE/GRACE-FO satellites (for the month of May 2025 relative to the 2005-2010 gravity field).

NASA Satellite Data Show Decrease in Colorado River Basin Aquifers

Researchers used data from the GRACE/GRACE-FO platform to estimate that the region has lost a combined 34 cubic kilometers of groundwater since 2002.

Feature Article

Dec. 5, 2025

A graphic of the network of lakes and rivers in North America that are measured by ICESat-2. Image Credit: Michael Michael Jasinski

Laser Altimetry Applications for a Changing World: Working with ICESat-2 Inland Surface Water Data

Join us on Wed., Nov. 19, 2025, at 2 p.m. EST for the fifth NASA ICESat-2 data training webinar. Participants will learn about ICESat-2 inland surface water data, services, and tools.

Webinar

Nov. 13, 2025

False-color corrected reflectance image overlaid with flood information from the VIIRS instrument aboard the NOAA-21 satellite from 11 September 2025

Flooding in Pakistan

Image captured September 11, 2025, by the VIIRS instrument aboard the joint NASA/NOAA NOAA-21 platform.

Worldview Image of the Week

Sept. 11, 2025

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