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@NASAEarthData

Discover the Earth Observing System Data and Information System (EOSDIS) data, information, services and tools.Have questions? [email protected]

earthdata.nasa.gov
Joined January 2014
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  1. Apr 8

    Jury and Gaviria Pabón (2021) used Giovanni with data variables (carbon monoxide and methane concentrations, temperature, and wind) from satellite sensors and models to study the atmospheric effects of South American wildfires.

    1 reply 1 retweet 5 likes
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  2. Apr 8

    Learn how to search and order datasets from NASA's Level-1 and Atmosphere Archive and Distribution System DAAC. We'll show you how to use the Find Data post-processing options to reproject, subset, and order data in your desired file format. To register:

    6 likes
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  3. Apr 8

    Join subject matter experts from science Distributed Active Archive Centers for an Earthdata Forum Office Hours online event on April 20th. For information about how to participate:

    1 retweet 1 like
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  4. Apr 7

    Singh et al. (2020) effectively used Giovanni cross-section plots and MERRA-2 data in a simulation study of a severe dust storm originating in one of India's dryest regions, the Thar desert.

    4 likes
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  5. Apr 7

    Where, and when, does rain fall in South America's Amazonas region?  Pedreira Junior et al. (2020) used data from Giovanni to show the effects of time-of-day, season, and El Niño / La Niña, all in the same figure.

    5 likes
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  6. Apr 7

    Announcing opportunity📢: NASA’s Agriculture program area is sponsoring a Call for Proposals for a Program Management Capability for Earth Science Applications in Agriculture. Learn more: Image Credit: NASA/Environmental Defense Fund/Pam Hansen

    Forrest Melton, NASA project scientist for OpenET, adjusts a scientific instrument in a California vineyard. Credits: NASA/Environmental Defense Fund/Pam Hansen
    6 retweets 11 likes
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  7. Apr 6

    The MODIS instruments on Terra and Aqua and the VIIRS instruments on Suomi NPP and NOAA-20 differ significantly. Find out how scientists are working to ensure data product continuity in our new feature on the transition from MODIS to VIIRS at:

    5 retweets 13 likes
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  8. Apr 6

    In 2008, the powerful Wenchuan earthquake caused damage over a large region of China. Chen et al.'s (2020) examination of landslide occurrence since the earthquake included a unique depiction of summer rainfall data acquired from Giovanni. Learn more:

    3 retweets 4 likes
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  9. Apr 5

    Learn about the SeaHawk/HawkEye CubeSat ocean color mission and its data:

    This is an image of the English Channel.
    A nanosatellite gets a bird’s eye view of sediment and plankton near the Strait of Dover.
    1 retweet 2 likes
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  10. Apr 5

    The new GEDI Level 4B dataset provides estimates of aboveground biomass density (AGBD) with greater accuracy and resolution than previously possible, aiding our understanding of changing forest canopy around the globe! Learn more at:

    30 retweets 105 likes
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  11. Apr 4

    Arctic sea ice recently reached its maximum sea ice extent. The 2022 maximum was the 10th lowest extent in the 44-year satellite record. Read scientific analysis on Arctic sea ice conditions at the National Snow and Ice Data Center ():

    1 retweet 8 likes
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  12. Apr 4

    Aubriot et al. (2020) described a heavy rain event, using IMERG data in Giovanni, that caused a potentially harmful cyanobacterial bloom in Argentina's Rio de la Plata estuary.

    1 like
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  13. Apr 1

    Cooling from atmospheric aerosols can actually provide an economic benefit in tropical developing countries. M.T. Lund described research by Zheng et al. in Nature Climate Change, and used Giovanni for a global illustration.

    1 retweet 1 like
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  14. Retweeted
    Apr 1

    What is your bracket prediction? Vote now for the next winner of Tournament Earth: Elemental Edition.

    10 retweets 105 likes
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  15. Apr 1

    NASA Harmonized Sentinel-2 data show the area around Eastland, Texas before and during the wildfires. Visit NASA’s to learn more about the data used to create this image:

    6 retweets 25 likes
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  16. Mar 31

    Cholera is a waterborne disease, so NASA precipitation data available from Giovanni is a useful resource for addressing the occurrence and prevention of cholera in Haiti, which was the subject of Michel et al. (2019).

    10 likes
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  17. Mar 31

    The Winter 2022 EOSDIS Update is now online. This issue contains links to feature articles on Landsat 9 and EOSDIS's 2021 ACSI survey results, data and data tool news, links to recent webinars and tutorials, Data Chats and Data User Profiles, and more.

    4 retweets 6 likes
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  18. Mar 31

    Harmony, NASA’s Earthdata Cloud Services System, allows users to produce analysis-ready data in a cloud-optimized format. A new Earthdata article shows how Harmony makes it easier to work with science data:

    4 retweets 21 likes
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  19. Mar 30

    The geochemical identity of dust in the Saharan Air Layer changes depending on where it originates, sometimes quite rapidly. This topic was investigated by Rodriguez et al., who used aerosol optical depth data from Giovanni to observe dust transport.

    1 retweet 3 likes
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  20. Mar 30

    A new NASA MEaSUREs Global 3-hourly Potential Evapotranspiration and Supporting Forcing data (Sheffield, 2021) is available at the . Discover and access data:

    3 retweets 4 likes
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