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Carbon Storage in Tropical Forests

forest canopy in Pongara National Park, Gabon, West Africa

This image shows the height of the forest canopy for a portion of the Pongara National Park along the Gabon Estuary in Gabon, West Africa. This area includes some of the tallest mangrove forests in the world, indicated by a dark green color, where trees tower up to 60 meters (200 feet). The data were estimated by fusion of PolInSAR and LiDAR data collected by the AfriSAR campaign in March 2016.

NASA’s AfriSAR campaign measured forest structure in Gabon, West Africa to inform estimates of forest carbon storage capacity.

Updated: ATom Measures Greenhouse Gases and Pollution

ATom logo

The Atmospheric Tomography Mission (ATom) is an Earth Venture Suborbital-2 mission.

Merged data from ATom's first two flight campaigns (August 2016 and February 2017) were updated with revised data along with edits to the author list and user guide.

Global Model Outputs from MsTMIP

Gross Primary Productivity modeled for the month of July 2010

Global monthly 0.5-degree Gross Primary Productivity (GPP) in July 2010 from model LPJ-wsl's SG3 simulation.

Version 1 of the Multi-scale Synthesis and Terrestrial Model Intercomparison Project (MsTMIP) model outputs are now available.

Feedbacks Between Climate and Alaskan Wildlife

A researcher collects data on snowpack properties in Alaska.

Anne Nolin collects data on snowpack properties as part of a NASA ABoVE study examining how changing snow conditions affect Dall sheep in Wrangell St-Elias National Park, 20 March 2017. (Photo courtesy of Laura Prugh)

Scientists with NASA's ABoVE field campaign are studying links between snowpack properties and Dall sheep populations and movement.

Simulated Data Stream from the ATom Mission

Latitude by pressure plots from the simulated data stream

Latitude by pressure plots of six key species from the simulated ATom data stream used in the Prather et al. 2018 study.

A new dataset from the Atmospheric Tomography Mission (ATom) provides a simulated data stream for comparison with six global atmospheric chemistry models.

Forecasting Carbon Monoxide for the ATom Mission

carbon monoxide concentrations from the ATom-1 flight circuit in 2016.

Carbon monoxide concentrations from QCLS instrument during the ATom-1 flight circuit in 2016.

A new dataset provides a direct comparison of observational and simulated CO that will be used to inform atmospheric modeling experiments.

Carbon Emissions from Boreal Forest Megafires

the NWT megafire complex

Field measurements were collected in seven spatially independent burn scars, within the Yellowknife megafire complex, which had burned between June and August 2014.

New data from NASA's ABoVE field campaign provide estimates of carbon emissions from the 2014 NWT mega-fire complex.

Webinar: MODIS and VIIRS Data at your Fingertips

Data from VIIRS is now available through the ORNL DAAC online subsetting tools.

The ORNL DAAC provides user-friendly access to VIIRS and MODIS data through a suite of online tools and APIs.

Join us on August 16 to learn how to discover, subset, access and visualize MODIS and VIIRS data products using a suite of user-friendly tools.

Canopy Structure in the Great Smoky Mountains

Map showing thirty unique vegetation canopy structure classes in Great Smoky Mountain National Park

This overview map shows thirty unique vegetation canopy structure classes identified within the Great Smoky Mountain National Park in Tennessee and North Carolina, USA.

This revised dataset characterizes canopy structure based on LiDAR surveys of the Great Smoky Mountains National Park.

Aboveground Biomass of California Forests

Per-tree AGB (kg) derived from LiDAR

Per-tree aboveground biomass (kg) derived from LiDAR-measured tree heights for the Blacksmith site in 2012.

A new dataset provides LiDAR-derived estimates of aboveground biomass from locations throughout California between 2005 and 2014.