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.

River Findhorn

Dec 14, 2017
Measuring the Wide World of Rivers

Using Landsat to measure river widths around the world.

Andrew Elmore

Dec 14, 2017
USGS Video: Landsat in Action—Changing Forest Phenology with Andrew Elmore

Elmore delves into the changing phenology of forests and how that impacts the amount of carbon dioxide going into the atmosphere.

kelp on Falkland Islands

Dec 14, 2017
Floating Forests: Citizen Scientists are Mapping Giant Kelp with Landsat

Learn more about the huge citizen science kelp mapping endeavor called Floating Forests.

clear water in Florida Keys

Dec 13, 2017
What Lies Beneath: Mapping Benthic Habitats with Landsat

A method for mapping coral reefs or other benthic habitats over time.

wetlands in Baylands Nature Preserve

Dec 13, 2017
How Much Swamp Are We Talking Here?
Towards Better Mapping of Coastal Wetlands

Ways to better estimate the greenhouse gas contributions of wetlands.

Murray River

Dec 13, 2017
Graphing a Path to Survival: Habitat Connectivity in Australia’s Murray-Darling Basin

Quantifying the impact of historic land-use and hydroclimatic variability on landscape connectivity dynamics across Australia’s breadbasket.

Nunavut, Canada

Dec 11, 2017
Water in Flux—Monitoring Shifting Water Body Sizes in Canada

Monitoring surface water trends in North Western Canada.

Palo Verde diversion dam

Dec 11, 2017
Farm Crops for City Drops: Assessing Water Right Transfers With Landsat

Thirty-one years of observed water use trends in the Southwestern U.S.

Sarasota Bridge

Dec 11, 2017
Shedding Light on Watershed Management Priorities

Learn more about a water quality modeling tool known as SPARROW.

global cropland distribution

Nov 14, 2017
New Landsat-Based Map of Worldwide Croplands Supports Food and Water Security

A new map was released today detailing croplands worldwide in the highest resolution yet.

Alan Belward

Nov 6, 2017
Landsat Talks—The Karkheh River as Seen by Landsat 1993-2002

Dr. Alan Belward describes water changes around Iran’s Karkheh River between 1993-2002.

Republican River's South Fork

Oct 20, 2017
How Much Water Flows into Ag Irrigation? Landsat Knows

Researchers detail their use of satellite images to produce annual maps of irrigation.

Alan Belward

Oct 18, 2017
USGS Video: Landsat in Action—Interview with Alan Belward

Alan Belward from the European Union’s Joint Research Center discusses how Landsat helps his team promote sustainable development.

American Oyster

Aug 24, 2017
Oyster Prospecting with Landsat 8

In the first study of its kind, researchers from the University of Maine have demonstrated that Landsat 8 satellite data can be used to find locations where oysters farms should thrive.

Buffer vegetation along Corsica River

Jun 1, 2017
Mapping Chesapeake’s Future From Today’s Land Use

USGS’ pixel-by-pixel land use forecasts offer essential road maps for restoration.

Magnetic Island intertidal zone

May 25, 2017
Welcome to the Intertidal Zone:
Mapping Australia’s Coast with Landsat

Using 28 years of Landsat data, an Australian research team has created a continent-wide intertidal zone extent map for the whole of the Australian coast.

algal bloom in Lake Erie 2015

May 15, 2017
How Landsat Data Led to a Breakthrough for Lake Erie Toxic Algal Blooms

With the growing frequency and magnitude of toxic freshwater algal blooms becoming an increasingly worrisome public health concern, Carnegie scientists Jeff Ho and Anna Michalak, along with colleagues, have made new advances in understanding the […]

migratory birds at field site

Mar 27, 2017
Landsat Reveals Bird Habitat Loss in California

Drought and reduced seasonal flooding of wetlands and farm fields threaten a globally important stopover site for tens of thousands of migratory shorebirds in California’s Sacramento Valley, a new Duke University-led study shows.

trumpeter swans

Jan 12, 2017
Where the Wetlands Are

Documenting and protecting wetlands has become crucial to the eight states and two Canadian provinces thronging the Great Lakes.

Heimdal Glacier

Dec 23, 2016
Landsat Provides Global View of Speed of Ice

Scientists are providing a near-real-time view of every large glacier and ice sheet on Earth with Landsat 8.

map of aCDOM440

Dec 16, 2016
Mapping Dissolved Organic Matter in Tropical Inland Waters with Landsat 8

Using Landsat 8 to map the colored dissolved organic matter of inland tropical waters.

hardwood swamp in flordia

Dec 16, 2016
Apalachicola’s Disappearing Swamp

The hardwood swamp along the Apalachicola River is slowly replaced by bottomland hardwood forest.

soybean field

Dec 16, 2016
Mapping Croplands Over the U.S. High Plains Aquifer

Using Landsat to map croplands over the U.S. High Plains Aquifer.

Yamouk River Valley

Dec 16, 2016
Managing Water in Conflict-Torn Regions

Understanding the relationship between land use and river flows in the Yarmouk basin.

Ucayali River movements

Dec 16, 2016
The Secret Lives of Migrating Rivers

The avalanching dynamics of meandering rivers.

Sierra Nevada Mountains

Dec 15, 2016
Extreme Event: 2012-2015 Snowpack Drought in the Sierra Nevada Mountains

The water year 2015 peak snowpack was found to be the lowest over the 65-year reconstruction of peak annual snow water equivalent.

ducks

Dec 15, 2016
Tracking Water Resources in California’s Central Valley

A near real-time water resources tracking and decision-support system for the Central Valley of California.

water dynamics map river confluence

Dec 15, 2016
Watching Water Dynamics

How much has surface water extent varied in space and time through the past 17 years?

Hume Dame

Dec 15, 2016
Environmental Flows: Managing Water in the Murray Darling Basin

How seasonal flooding impacts riparian vegetation in Australia’s Murray Darling Basin.

Nevado Coropuna

Dec 14, 2016
A Glacierized Volcano in Peru & El Niño

How the El Niño Southern Oscillation impacts snow cover of a glacierized volcano in Peru.

lake in Tibet

Dec 13, 2016
A Bounty of New Lakes on the Tibetan Plateau

The number of lakes and water surface area on the Tibetan Plateau has changed much faster than expected.

flooding

Dec 12, 2016
Mapping Historic Floods Around the World

Developing the largest database of spatial extents for historic floods.

canal structure

Dec 12, 2016
Watching Water Use in the Southwest

Water use trends observed in the Southwestern U.S. over three decades.

changes to the River Ob in Siberia

Dec 9, 2016
Landsat Maps Global Surface Water

Quantifying changes in global surface waters over the past 32 years.

global surface water map

Sep 1, 2016
Tracking Surface Water Changes Over the Past 30 Years

The world has gained 115,000 km2 of water and 173,000 km2 of land over the past 30 years.

WOfS map of Australia

Aug 26, 2016
Why Science Team Member Leo Lymburner Uses Landsat

Australia turned to Landsat. At Geoscience Australia, Landsat 8 Science Team member Leo Lymburner works with the flood mapping team headed by Norman Mueller that conceived of the Water Observations from Space project, or WOfS.

Spartina grass on Sapelo Island

Aug 15, 2016
Landsat Reveals Serious Decline in Georgia Salt Marsh Health

Scientists at the University of Georgia’s Marine Institute at Sapelo Island have found that the amount of vegetation along the Georgia coast has declined significantly in the last 30 years, spurring concerns about the overall health of marshland […]

Sierra Nevada Snowpack Not Likely To Recover from Drought Until 2019

Jun 21, 2016
Sierra Nevada Snowpack Not Likely To Recover from Drought Until 2019

Even with this winter’s strong El Niño, the Sierra Nevada snowpack will likely take until 2019 to return to pre-drought levels, according to new research.

Thirsting for Equitable Water Distribution, Australia Turns to Landsat

May 25, 2016
Thirsting for Equitable Water Distribution, Australia Turns to Landsat

Since record keeping began in 1860, no period has been drier for southeastern Australia than the decade-long Millennium Drought. The lack of rain between 1997 and 2009 led to livestock losses, crop failures, and percentage drops in the Australian GDP.

bird

May 16, 2016
Landsat Helps Feed Tired And Hungry Birds

The BirdReturns program, created by The Nature Conservancy of California, is an effort to provide “pop-up habitats” for some of the millions of shorebirds, such as sandpipers and plovers, that migrate each year from their summer breeding grounds […]

irrigation photo

Apr 29, 2016
Mapping Water Use: Landsat and America’s Water Resources

Water is one of our nation’s most important natural resources, one that’s long been considered inexhaustible. Yet changes in land use, climate, and population demographics are placing unprecedented demands on America’s water supplies. As […]

Preparing an optical profiler

Apr 25, 2016
A Real-Life Bay Watch: NASA Helps Monitor LA Coastline

When a Los Angeles water treatment plant had to discharge treated water closer to shore than usual in the fall of 2015 due to repair work, NASA satellite observations helped scientists from the City of Los Angeles and local research institutions […]

wetlands in winter

Mar 16, 2016
New Technique Tracks ‘Heartbeat’ of Hundreds of Wetlands

Across the U.S. and particularly in Washington state, very little is known about the acreage, yearly flooding cycles and even the actual locations of wetlands. Even hazier is what could happen to these vital ecosystems under climate change.

Landsat 8 Used to Pinpoint Shipwrecks

Feb 23, 2016
Landsat 8 Used to Pinpoint Shipwrecks

Nearshore shipwrecks can leave telltale sediment plumes at the sea’s surface that reveal their location. Using Landsat 8 data, researchers have detected plumes extending as far as 4 kilometers (~2.5 miles) downstream from shallow shipwreck […]