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ORNL DAAC News

Read the latest news stories, feature articles, user stories, and blog posts that feature data archived by NASA's Oak Ridge National Laboratory Distributed Active Archive Center (ORNL DAAC).

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Daymet data include daily precipitation totals for North America

ORNL DAAC Releases New Version of Its Popular Daymet Meteorological Dataset

Daymet Version 4's improved algorithm and reduced timing and sensor biases result in more accurate and precise data.

News

April 14, 2021

Mississippi River Delta empties sediment into the Gulf of Mexico in this Envisat image acquired on 6 February 2007

Disappearing Deltas: The Delta-X Airborne Mission Investigates

NASA researchers are using high resolution airborne data to determine the vulnerability and resilience of the Mississippi River Delta.

Feature Article

April 12, 2021

Citizen Science Data Quality and Food Security Nexus are Topics of Recent Publications

New papers focus on citizen science, food security, and global change research.

News

March 30, 2021

Using Satellites to Measure the Size and Shape of Mangroves

Researchers use remote sensing to measure mangrove forest extent and tree height to inform sustainable management of these ecosystems.

Feature Article

March 19, 2021

EOSDIS Update—Winter 2020 Quarterly Newsletter is now online!

Find EOSDIS dataset and data tool news, top stories, featured data images, webinars, links to new learning resources, data recipes, and Data User Profiles.

News

March 10, 2021

Mapping Carbon Beyond Forests: New Harmonized Global Maps of Above and Belowground Biomass Carbon

New maps combine remotely sensed biomass data for different land cover types into harmonized global maps of above and belowground biomass.

Feature Article

Feb. 25, 2021

Sensing Invasive Species From Space

Invasive species cost the U.S. economy approximately $120 billion a year and disrupt the dynamics of ecosystems. Researchers are increasingly using remote sensing to map where invasive species are and where they could spread in order to minimize their damage.

Feature Article

Feb. 25, 2021

Dr. Eric Bullock

Deforestation is taking a toll on the Amazon and other areas of high variability of life. Dr. Eric Bullock uses NASA Earth observation data to explore the consequences of land use and land cover change in these areas.

Data User Story

Feb. 25, 2021

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ORNL DAAC News

ORNL DAAC Releases New Version of Its Popular Daymet Meteorological Dataset

Disappearing Deltas: The Delta-X Airborne Mission Investigates

Citizen Science Data Quality and Food Security Nexus are Topics of Recent Publications

Using Satellites to Measure the Size and Shape of Mangroves

EOSDIS Update—Winter 2020 Quarterly Newsletter is now online!

Mapping Carbon Beyond Forests: New Harmonized Global Maps of Above and Belowground Biomass Carbon

Sensing Invasive Species From Space

Dr. Eric Bullock

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