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Terra Learning Resources

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MODIS satellite image of burn scars in central Africa

An Introduction to MODIS Data

Learn how to access and use Moderate Resolution Imaging Spectroradiometer (MODIS) Version 6 land data.
Webinar
Nov. 22, 2016
image of ASTER instrument data

Identifying Minerals Using ASTER

Researchers used ASTER data to generate a map identifying exposed minerals on the Conterminous United States.
Data in Action
Sept. 20, 2016
SHOWING 8 OF 235

Terra News

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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
A man stands in the middle of the Karakoram Highway while rocks tumble down into the Hunza River in Pakistan’s Gojal region.

Waiting for Gojal

Scientists and satellites hold vigil on a newborn lake in Pakistan.
Feature Article
July 28, 2020
MISR captured this image of atmospheric vortices near Guadalupe Island on June 11, 2000.

Tracking Clouds

For years, experts have used cloud observations to predict the weather.
Feature Article
July 28, 2020
The image above shows an ASTER image

The Universal Language of HDF-EOS

After conducting an extensive study of available formats, EOSDIS planners selected the Hierarchical Data Format (HDF) as the standard for Earth science data generated by EOS instruments.
Feature Article
July 28, 2020
Logging for the purpose of clearing land for agriculture continues to threaten the Brazilian rainforest. (Image courtesy of the United Nations Environment Programme, USGS, and NASA).

The Road to Recovery

According to a recent report in Science, the Amazon rain forest has lost nearly two million acres to logging each year since 1996.
Feature Article
July 28, 2020
Tea is the most widely consumed beverage in the world, and is typically grown on massive plantations such as this one in Munnar, India.

The Price of Tea

Satellites help make a satisfying brew.
Feature Article
July 28, 2020
This false-color SeaWiFS image, acquired on October 6, 2002, shows a phytoplankton bloom off the California coast.

The Incredible Glowing Algae

Phytoplankton blooms occur in all the Earth’s oceans when nutrient and sunlight conditions are right.
Feature Article
July 28, 2020
Periodic flooding in the Mississippi Valley can affect residents as far north as Minnesota and as far south as Louisiana. In May 2001, the Mississippi River flooded this house south of Red Wing, Minnesota.

The Flood Hunters

A new long-term archive of satellite data will help hydrologists monitor floods, allow aid agencies to pinpoint flood-prone regions, and provide information for modeling Earth's complex hydrologic cycles.
Feature Article
July 28, 2020
SHOWING 8 OF 450

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