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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.

Greenness Trends for Alaska and Canada

Landsat NDVI times series for 1984-2012

NDVI trends derived from 30 m Landsat NDVI times series for 1984-2012 across Canada and Alaska.

A new dataset from NASA's ABoVE campaign provides trends in NDVI over the Landsat era.

Introduction to Geospatial Analysis in R

Forest disturbance by fire and insect infestation

The webinar featured data on the locations of forest disturbance by fire (red) and insect infestation (yellow) across northwestern USA between 2006 and 2010.

The recording of our NASA Earthdata webinar on "Introduction to Geospatial Analysis in R" is now available.

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.

California Fossil Fuel CO2 Emissions

Total CO2 concentrations and fossil fuel CO2 concentrations

Seasonal quartiles of total CO2 concentrations and fossil fuel CO2 concentrations for each of the nine observation sites in California, 2014-2015.

A new dataset provides estimates of CO2 emissions from fossil fuels across California in 2014-2015.

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