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Updates to Tower-based ACT-America Data

ACT-America combines ground-based, airborne, and satellite observations of greenhouse gases.

ACT-America combines ground-based, airborne, and satellite observations of greenhouse gases.

Measurements of CO2, CO, and CH4 concentrations at tower sites have been updated to include years 2015 - 2017.

ACT-America CO2 and CH4 Merge Data

ACT-America is a NASA campaign to study carbon transport in the atmosphere

ACT-America is a NASA Earth Venture Suborbital-2 mission to study the transport and fluxes of atmospheric carbon dioxide and methane across three regions in the eastern United States.

Merged airborne atmospheric gas and navigational data from the Summer 2016 and Winter 2017 campaigns are now available.

Learning Resources at ORNL DAAC

Screenshot of Learning Page

A new Learning Resources Page is now available to provide user support for ORNL DAAC products and services.

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Modeled WRF-STILT Footprints for Boston, MA

Data from the WRF-STILT model representing the response of a receptor in Boston, Massachusetts

Estimated surface influence on the carbon dioxide concentration at a receptor in Boston, Massachusetts (ppm/umol m-2 s-1).

Modeled footprint products estimate the influence of upwind surface fluxes on observed carbon dioxide and methane concentrations.

Year-round Data from Alaskan Flux Towers

Three tower sites at Barrow, Alaska

Three tower sites at Barrow, Alaska: Barrow Environmental Observatory (BEO) tower, Biocomplexity Experiment, South (BES) tower, and the Climate Monitoring and Diagnostics Laboratory (CMDL) tower.

NASA's ABoVE campaign provides year-round CO2, CH4, and meteorology at five sites on Alaska's North Slope.

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