Archive

Author Archive

TIRS-2 in TVAC
Apr 19, 2019TIRS-2 Completes Baseline Thermal Vac Test

The completion of this test represents a major milestone for the TIRS-2 project, demonstrating that the team has built a well working instrument to meet the requirements of Landsat 9.

Elfin cloud forest
Apr 17, 2019Neotropical Cloud Forests to Lose What Most Defines Them: Clouds

If greenhouse gas emissions continue increasing as they have been, 90% of Western Hemisphere cloud forests would be affected as early as 2060.

Landsat 7 launch photo
Apr 15, 2019Twenty Years with Landsat 7

In the long and winding history of the Landsat Program, April 15, 1999 was an important day.

Yellowstone data showing burned area
Apr 10, 2019Landsat Level-3 Products Provide Land Cover Gold in Data Mining

Remote sensing scientists now can access a decades-long Landsat look at how specific conditions have played out on every applicable 30-meter pixel of the American landscape.

Yellowstone Thermal Areas map
Apr 8, 2019Discovering New Thermal Areas in Yellowstone’s Dynamic Landscape

Over the last 20 years, a new thermal area has developed in Yellowstone. Landsat 8 is on the case.

surging glaciers in the Panama region
Apr 8, 2019Glaciers Lose 9 Trillion Tons of Ice in Half a Century

An international team used classical glaciological field observations combined with a wealth of information from various satellite missions to painstakingly calculate how much ice has been lost or gained by 19 different glacierized regions around the world.

a mature crop
Apr 4, 2019How Looking for Clouds Helped Forecast Global Food Production

It started as an algorithm to detect clouds in satellite imagery, but now the software is being used for everything from increasing food security in the developing world to guiding futures trading on Wall Street.

greenness trend map Alaska+Canada
Apr 2, 2019New Data Release: Summertime Greenness Trends for Alaska and Canada

The Arctic-Boreal Vulnerability Experiment (ABoVE) field campaign has released data of the summer NDVI trend and trend significance for 1984 to 2012 over Alaska and Canada.

forest and shrub cover v. healthcare spending
Apr 1, 2019Green Space & Health: U.S. Counties with More Trees and Shrubs Spend Less on Healthcare

Each 1 percent of a county’s land that was covered in forest was associated with an average Medicare expenditure savings of $4.32 per person per year.

rangeland
Apr 1, 2019New Technologies for Range and Pasture Management

The Landsat-based Rangeland Analysis Platform and Green-Cast are valuable tools for ranchers adaptively managing their land.

Yukon Flats land cover
Mar 27, 2019Landsat, Permafrost Data Offer Insight into Arctic Lake Dynamics

Remarkably little is known about the subsurface connections between the thousands of lakes scattered across ecoregions like Yukon Flats; this study sheds light on those lakes.

Huckleberry Bears: New Landsat-Aided Tool Maps a Key Food Source for Grizzlies
Mar 26, 2019Huckleberry Bears: New Landsat-Aided Tool Maps a Key Food Source for Grizzlies

A Landsat-based approach to map huckleberry distribution across Glacier National Park could one day provide warnings of potential human-bear conflict areas.

land cover change over time
Mar 21, 2019Upcoming NASA ARSET Advanced Webinar: Investigating Time Series of Satellite Imagery

NASA ARSET is putting on an advanced webinar focused on time series image analysis.

Landsat data use and publications through time
Mar 20, 2019Landsat Science Team Members Support the Free and Open Landsat Data Policy

The resounding takeaway from a recent paper authored by Landsat Science Team members: Keep Landsat data free and open.

Landsat image of fire scar
Mar 6, 2019Upcoming Southern Fire Exchange Webinar: “Mapping Burned Areas from the Landsat Archive”

Learn about the Landsat Burned Area algorithm that identifies burned areas in dense time-series of Landsat data.

image of VCF product
Mar 5, 2019Global 30m Landsat Tree Canopy Version 4 Released

This latest version was created by mining and processing the entire Landsat archive.

Garik Gutman
Mar 5, 2019Landsat Highlights from 2019 LCLUC Program Manager Message

Some Landsat-focused excerpts from Garik Gutman’s March 2019 message to the LCLUC team.

Valerie Thomas with CCTs
Feb 28, 2019A Face Behind Landsat Images: Meet Dr. Valerie L. Thomas

Thomas managed the development of early Landsat image processing software systems and became the resident expert on the Computer Compatible Tapes that were used to store early Landsat imagery.

impervious surfaces in NYC
Feb 26, 2019High-Resolution Data Products Help Illuminate Urbanization’s Reach

Two new Landsat-based data products and a mapping tool provide data on man-made impervious surfaces and urban extents throughout the world.

Landsat cumulative acquisitions
Feb 26, 2019Landsat: the Cornerstone of Global Land Imaging

Evolving technology, free data and robust calibration have helped make Landsat the cornerstone of global land imaging.