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ACT-America

THREDDS NetCDF Subsetting Service Bug Fixed

Unidata TDS

Unidata's THREDDS Data Server (TDS) is a web server that provides metadata and data access for scientific datasets, using a variety of remote data access protocols.

A bug has been fixed in the THREDDS Data Server (TDS) NetCDF Subsetting Service (NCSS) that may, in rare cases, have returned incorrect results.

Model-Derived CO2 Biogenic Fluxes

Gross Primary Productivity

Mean gross primary productivity (GPP) for the conterminous US and North America in grams of carbon per unit area per month.

Carbon fluxes and uncertainties are available from the Atmospheric Carbon and Transport - America (ACT-America) project.

Planetary Boundary Layer Heights for Eastern USA

ACT-America Team.

The ACT-America team on the tarmac with the B-200 King Air and C-130 Hercules NASA aircraft in Shreveport, Louisiana.

Estimates of the height of the planetary boundary layer (PBL) are available from the Atmospheric Carbon and Transport - America (ACT-America) airborne campaign.

ACT-America L2 Flask Data Updated

Flask air sample locations

Locations of ACT-America flask air samples from all flight data available to date.

Atmospheric trace gas concentrations collected by the ACT-America project have been updated to include Fall 2017 and Spring 2018 flights.

ACT-America Atmospheric Data Updated

ACT-America Fall 2017 flight

Photograph of the Midwestern United States taken during a Fall 2017 ACT-America flight. A storm system had recently brought a blanket of snow to the region. (Image credit: NASA/Bing Lin)

Atmospheric gas data from all four seasonal flight campaigns (Summer 2016, Winter 2017, Fall 2017, and Spring 2018) are now available from the ACT-America mission.

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