Kaiyu Guan and Chongya Jiang
Mar 20, 2020New 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, 2020Landsat 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, 2020Landsat 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, 2020Landsat 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, 2020Hydropower 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, 2020Landsat: 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, 2020Space 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, 2019Fire & 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, 2019When 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, 2019Improving 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, 2019Mapping 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, 2019Arid-Region Agriculture in Arequipa, Peru

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

Lago de Cahora Bassa
Oct 14, 2019Lakes 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, 2019More 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, 2019NASA 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, 2019The 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, 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.

animation of river meandering
Feb 6, 2019Sharp 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, 2019Loss 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, 2018Mapping 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.