Skip to main content

Terra Resources

Terra Learning Resources

View All Learning Resources
Filters
MODIS image of foliage color in the Appalachian mountains

Why Do Leaves Change Color?

Learn how MODIS vegetation indices can be used to monitor variations in global vegetation conditions, such as seasonal leaf changes.
Data in Action
Dec. 23, 2014
An example of a nighttime ASTER surface temperature image of Phoenix, Arizona.

Crop Yields, Elevation Change, and Urban Heat

Explore how LP DAAC data was used to forecast spring wheat yields in Canada, track elevation change at a U.S. coal mine, and examine land cover impacts on urban heat in Phoenix, Arizona.
Data in Action
Nov. 25, 2014
King Fire actively burning through Stumpy Meadows Campground located on Stumpy Meadows Reservoir, CA

Detecting Fires from Space: King Fire, California

Learn how remote sensing data from space was used to detect and monitor the King Fire in California, showcasing the importance of satellite imagery in wildfire management.
Data in Action
Nov. 7, 2014
SHOWING 8 OF 235

Terra News

View All News
Filters
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

Frequently Asked Questions

Earthdata Forum

Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.

Submit Questions to Earthdata Forumand View Expert Responses

Earthdata
Forum