Core Science Systems

News

Browse or search the repository below for Core Science Center news, announcements, events, project updates, and more.

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Date published: January 29, 2021

Update on Upcoming Reprocessing of Landsat 8 Data 

As previously announced on January 14, 2021, NASA and USGS calibration and validation engineers have observed a slow reduction in the radiometric response...

Date published: January 28, 2021

FINISHED!! TNMCorps Mapping Challenge for City / Town Halls in CA & NV

This challenge is now complete! Thank you to everyone who contributed!

Date published: January 28, 2021

NEW TNMCorps Mapping Challenge for Fire Stations in CA, NV & AZ!

TNMCorps Mapping Challenges continue along the Pacific Coast with a challenge for fire stations in California, Nevada, and Arizona!

Date published: January 28, 2021

TNMCorps Mapping Challenge Summary Results for Schools in MO

Summary statistics are now available for this challenge. Thanks again to everyone who contributed!

Date published: January 27, 2021

EROS Rangeland Tools Aid Western U.S. Land Managers

The extensive rangelands across the Western United States are threatened by invasive grasses, climate change, and altered fire regimes that can disturb the landscape. The largely semi-arid lands are also important for the survival of species that need undisturbed sagebrush ecosystems to thrive.

Date published: January 27, 2021

Landsat will help U.S. and Canada Share River’s Water

A river meanders serenely through the northern prairie, waters flowing eastward. The scene’s simplicity belies the complex nature of how the water is used—especially when the river flows from one country to another and back.

Date published: January 26, 2021

Landsat, Sentinel Data Fusion Offers Potential of More Accurate ET Maps

Scientists at the Earth Resources Observation and Science (EROS) Center have developed an algorithm that fuses Landsat 8 and Sentinel-2 data in a way that generates more accurate daily evapotranspiration (ET) maps with a much higher spatial resolution.

Date published: January 26, 2021

TNMCorps Newsletter – January 2021

The National Map Corps January 2021 Newsletter (Vol. 7, Issue 1) is now available.

Date published: January 25, 2021

Bass confusion from land pollution

Chesapeake Bay Program — by Caitlyn Johnstone — January 25, 2021

Date published: January 20, 2021

New Technologies and Collaboration Enhancing National Fire Management Programs

The USGS is part of a multi-agency partnership supporting new products and processes to improve the detection and monitoring of new and emerging wildfires across the U.S.

Date published: January 20, 2021

Landsat Update January 2021

Landsat Updates are prepared periodically and distributed electronically to provide information about Landsat activities and related topics of interest.

Subscribe to receive future Landsat Updates in your email

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Date published: January 14, 2021

Upcoming Reprocessing of Recently Acquired Landsat 8 Data

Since ​November 2020, NASA and USGS calibration and validation engineers have observed a slow reduction in radiometric response from Landsat 8's Thermal Infrared Sensor (TIRS). The current impact is that TIRS's image products are 1 to 3 percent ​colder than expected. ​