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An ASTER reflectance image of the Central Eastern Desert in Egypt showing the SWIR band combination 4-6-8

Crop Monitoring, Coral Conservation, and Mineral Exploration

Read highlights of three publications that detail how NASA Earth observation data informs chickpea agriculture growth in India, harmful sediment plumes affecting Colombian coral reefs, and new gold sites in Egypt's Central Eastern Desert.
Data in Action
July 27, 2016
SHOWING 7 OF 15

Landsat 7 News

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Photographed before 1983, Diadema sea urchins keep a dead coral surface free of algae.

When the Dust Settles

Each year, several hundred million tons of African dust are transported westward over the Atlantic to the Caribbean, Central America, and South America.
Feature Article
July 28, 2020
Clumps of deciduous trees often grow in larger coniferous forests, such as this group of Aspen trees in Rocky Mountain National Park. (Image courtesy of the USGS).

Well Grounded

Characterizing MODIS performance involves an innovative and international collaboration of scientists.
Feature Article
July 28, 2020
This ASTER image, acquired on July 23, 2001, shows Aletsch Glacier, the largest glacier of Europe. (Image by NASA Earth Observatory Team, based on data provided by the ASTER Science Team)

Sizing up Earth's Glaciers

In the Alps, glaciers are retreating and disappearing every year, much to the dismay of mountain climbers, tourist agencies, and environmental researchers.
Feature Article
July 28, 2020
In 1990, slow-moving pahoehoe lava from Kilauea Volcano gradually spread through the community of Kalapana, burning homes and covering parks, roads, and gardens. (Image courtesy of USGS)

Sensing Remote Volcanoes

In October 2001, a volcano in the remote South Sandwich Islands began spewing ash and lava. Less than 24 hours after the eruption began, a research team nearly 9,000 miles away was estimating how much energy the volcano was producing.
Feature Article
July 28, 2020
Rodents that carry the Sin Nombre virus can be deceptively cute, but suspected carriers must be handled with extreme care. (Image courtesy of Gregory Glass, Johns Hopkins Bloomberg School of Public Health).

Hantavirus Risk Maps

Scientists use Landsat satellite images from LP DAAC to study a hantavirus outbreak.
Feature Article
July 22, 2020
SHOWING 5 OF 21

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