Dr. Lagomasino in the field

Jun 25, 2020
Meet Dr. David Lagomasino

Coastal ecosystems are some of Earth’s most biologically diverse environments, especially coastal mangrove forests. Dr. Lagomasino uses Earth observing data to study these vital biomes.

Landsat water mapping

Apr 22, 2020
Plants from Space with Martha Anderson

USDA researcher Marsha Anderson uses satellites and instruments like Landsat and ECOSTRESS to see how stressed plants are from space.

grapes

Apr 8, 2020
Raising a Glass in Wine Country to Better Water Management

Grape growers like Gallo are using data from Earth-observing satellites to better track soil and vine moisture levels, understand vine water use and plan grapevine irrigation.

Kaiyu Guan and Chongya Jiang

Mar 20, 2020
New Satellite-Based Algorithm Pinpoints Crop Water Use

A new satellite-driven biophysical model can make accurate forecasts of crop water use that are critical for farmland water management and sustainability.

bull kelp

Mar 5, 2020
Landsat Boosts Understanding of Climate Change’s Impact on Kelp

Landsat imagery shows that bull kelp canopy area can vary dramatically from year to year, and that long-term population trends vary from reef to reef.

Landsat 8 image of ice covering Yukon River

Feb 25, 2020
Landsat Reveals Vanishing River Ice

The extent of wintertime river ice has declined by 2.5 percentage points globally over the past three decades.

Zhuhai, China

Feb 14, 2020
Landsat Provides “Complete Perspective” of Wetland Loss in China

Intertidal wetlands significantly contribute to China’s environmental and ecological diversity, but are facing unprecedented pressures from anthropogenic development, as well as the threat of future sea level rise.

children playing near the Sesan River

Feb 13, 2020
Hydropower Dams Cool Rivers in the Mekong River Basin, Landsat Shows

Researchers used Landsat satellites to track changes in surface water temperature for the Sekong, Sesan and Srepok rivers. Within one year of the opening of a major dam, downstream river temperatures during the dry season dropped by up to 3.6ºF.

sprinklers

Feb 12, 2020
Landsat: Farming Data From Space

With Landsat data, farmers can find new ways to grow more crops with less water.

Wetland habitat map of Lake George in Uganda

Feb 2, 2020
Space Key to Wetland Conservation

Wetlands worldwide are vanishing at an alarming rate. New satellite-informed maps produced by ESA’s GlobWetland Africa project show how satellite observations can be used for the effective use and management of wetlands in Africa.

Bull Run reservoir

Dec 13, 2019
Fire & Water: How Wildfires Can Impact Drinking Water

Fires in forested watersheds that support drinking water supplies can introduce contaminants that overwhelm current treatment capabilities. Earth observation data are helping.

Soldier Meadows

Dec 13, 2019
When a River Runs Through Drylands

There is a dance between the vegetation that thrives along a river’s edge and the availability of water; with Landsat, that relationship is now being understood in ways not previously possible.

water use map for Roswell, NM

Dec 12, 2019
Improving Water Management in New Mexico with Landsat and ECOSTRESS

New Mexico is one of the most arid states in the US, and precise and accurate information on water use is of utmost importance.

gage house on Souris River

Dec 11, 2019
Mapping Past Floods to Help Predict Future Ones

Landsat has enabled a more thorough understanding of how the Central Valley landscape is impacted by floods.

Arequipa, Peru

Dec 10, 2019
Arid-Region Agriculture in Arequipa, Peru

Landsat has helped map the expansion of intensive agriculture in arid Arequipa, Peru.

Lago de Cahora Bassa

Oct 14, 2019
Lakes Worldwide Are Experiencing More-Severe Algal Blooms, 30-years of Landsat Data Shows

The intensity of summer algal blooms has increased over the past three decades, according to a first-ever global survey of dozens of large, freshwater lakes.

Eastern Reef Egret - Queensland, Australia

Jun 27, 2019
More than Naught: The “Z” of Where Land Meets Sea

Harnessing 30 years of Landsat data, a team of researchers from Australia has created the first 3D model of Australia’s entire coastline.

Chlorophyll-a concentrations

Jun 21, 2019
NASA Helps Warn of Harmful Algal Blooms in Lakes, Reservoirs

With limited resources to dedicate to monitoring for harmful algal blooms, water managers are looking to new technologies from NASA and its partners to detect and monitor potential hazards in lakes and reservoirs.

saltmarsh habitats in the Jubail Conservation

May 9, 2019
The Curious Case of Missing Mangroves in the Jubail Conservation

A group of researchers have used Landsat data to help solve a case of missing mangroves in Saudi Arabia’s Jubail Conservation.

Yukon Flats land cover

Mar 27, 2019
Landsat, 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.

animation of river meandering

Feb 6, 2019
Sharp Bends Make Rivers Meander, As Landsat Attests

Turns out, the rate of river migration is directly linked to how sharp its bends are.

mudflat invertebrates sampling

Jan 28, 2019
Loss of Intertidal Ecosystem Exposes Coastal Communities

The study used machine-learning to analyze more than 700,000 Landsat images to map changing global distribution of intertidal areas over a 30-year period.

US ET 2017

Dec 14, 2018
Mapping Water Use Nationwide With Landsat

USGS EROS scientists are leveraging the capability and history of Landsat along with weather data to map landscape-wide water consumption.

How channel morphology information is abstracted from imagery

Dec 14, 2018
How Landsat Helps Alert Communities to Local Flood Hazards

For larger rivers, Landsat provides a rich dataset to define spatiotemporal patterns of channel shifting.

agriculture image

Dec 13, 2018
Landsat Thermal Data Provides Insight to Vintners

Landsat thermal bands allow for the measurement of water use and moisture status at the management scale.

first year of irrigation

Dec 13, 2018
The Shifting Irrigation Patterns of the U.S. High Plains Aquifer

A new method to use the full Landsat archive to produce annual maps of irrigated area over the High Plains Aquifer in the central United States.

secchi disk

Dec 12, 2018
Retrieving Secchi Depth with Landsat 8

Landsat 8 allows for the acquisition of spectral data for monitoring water quality from lakes and drinking water reservoirs across the United States.

Brahmaputra River at sunset

Dec 11, 2018
Watching River Islands Grow on the Brahmaputra

Stable river islands locally known as ‘chars’ are increasing in the Brahmaputra river.

Salt marsh on Assateague Island

Dec 11, 2018
Mapping Long-term Salt Marsh Change with Landsat

This research identified the Delmarva as an area of significant salt marsh loss over the last three decades.

tile drainage installation

Dec 11, 2018
Improving Water Resource Management in the Great Plains

Making annual high-resolution agricultural subsurface drainage maps for the Northern Great Plains regions using multiple satellite and model datasets with Google Earth Engine.

oyster reef

Dec 10, 2018
Investigating the Ecosystem Services Provided by Oysters

There is evidence of oyster reefs driving estuary-scale detention of freshwater in the Suwannee Sound.

a smelly HAB

Oct 11, 2018
Satellites on Toxic Algae Patrol

Increasingly, water managers are turning to satellites like Landsat to monitor inland waters.

Flinders River estuary at low tide

Sep 1, 2018
Reading the Tides: Monitoring Estuarine Habitats in Northern Australia with Landsat

Australian researchers have used Landsat imagery to map coastal habitats critical to threatened and migratory species in northern Australia.

Landsat in Action

Sep 1, 2018
USGS Video: Landsat in Action—Water Use with Molly Maupin and Gabriel Senay

Find out how Landsat imagery has been used by the National Water Census and in studying water use trends.

Suwannee River entering Gulf of Mexico

Aug 30, 2018
Where Rivers Meet the Sea—Envisioning Science with Landsat

A Landsat 8 image of the Suwannee River meeting the Gulf of Mexico took first place in this year’s Envisioning Science image competition held by NC State.

Split iceberg

Aug 7, 2018
Seeing Hidden Worlds Under Melting Ice

Multi-year comparison of Landsat images can unmask previously unknown geography.

Cape Code National Seashore

Jul 18, 2018
Landsat-based Global Study of World’s Beaches Shows Threat to Protected Areas

Using 30 years of Landsat data, a team of scientists and engineers from the Netherlands determined how Earth’s sandy beaches are changing.

Lake Sunapee algal bloom

May 30, 2018
Landsat 8 as a Tool for Monitoring Algal Blooms

When algae blanket a lake’s surface, loss of sunlight and—eventually—oxygen, smothers aquatic life.

dead red gum trees

May 29, 2018
Rain Showers, Flowers, and Floods—Understanding How Vegetation Responds to Flooding and Drought in Australia’s Breadbasket

Using a quarter century of Landsat data, geospatial researchers have mapped and modeled how vegetation responds to water availability across the entire Murray-Darling Basin.

Blue river flowing through the Petermann Glacier

May 23, 2018
Supraglacial Lakes Are Not Destabilizing Greenland’s Ice Sheets, Yet

Using Landsat 8 satellite images from 2014 to 2016, researchers have discerned when the lakes on Greenland’s Petermann ice tongue formed, their movement, and changes in surface extent across time.

center-pivot irrigation crops in the Saudi desert

May 16, 2018
Satellites Reveal Major Shifts in Global Freshwater

Earth’s wet land areas are getting wetter and dry areas are getting drier due to a variety of factors, including human water management, climate change and natural cycles.

northeast of sprague river village

Apr 26, 2018
Solving the Riddle of Water Use in the Upper Klamath Basin

When it comes to water, when does less really mean more?

Franz Josef Land

Apr 24, 2018
Recent Russian Arctic Glacier Loss Doubles From the Previous 60 Years

Geophysicists examining glacier changes in the Russian Arctic have found that the rate of ice mass loss has nearly doubled over the last decade when compared to records from the previous 60 years.

crop irrigation

Apr 23, 2018
Landsat Imagery Sheds Light on Agricultural Water Use

Researchers armed with data from the Landsat Earth-observing satellites recently teamed up with Google to track water used for irrigation.

Glen Canyon Dam

Mar 15, 2018
Land Under Water: Estimating Hydropower’s Land Use Impacts

A team of Norwegian-based researchers has developed an innovative way to describe how much land it takes to generate a kilowatt-hour of electricity from hydropower.

Martha Anderson

Feb 5, 2018
USGS Video: Landsat in Action—Monitoring Crop Land with Martha Anderson

Martha Anderson talks about the value of Landsat and its thermal data for understanding agricultural lands.

Leif Olmanson

Jan 30, 2018
USGS Video: Landsat in Action—Minnesota Lakes with Leif Olmanson

Leif Olmanson talks about the value of Landsat data for monitoring the thousands of lakes in Minnesota.

water quality map

Jan 26, 2018
UNESCO Launches a Pioneering Tool to Monitor Water Quality

Using data from Landsat and Sentinel-2, UNESCO is providing freshwater quality information at the global scale.

John Schott

Jan 9, 2018
USGS Video: Landsat in Action—Tracking Water Changes with John Schott

John Schott discusses using Landsat Data over the years and how its thermal data tracks temperature changes in water bodies.

clearcut mangrove in Tanzania

Dec 15, 2017
Global Mangrove Mapping with Landsat

The area of mangrove wetlands around the world has been declining over recent decades.