This portal provides information about the National Oceanic and Atmospheric Administration (NOAA) Earth System Research Laboratory (ERSL) CarbonTracker, a system to keep track of carbon dioxide uptake and release at the Earth's surface over time. CarbonTracker produces model predictions of atmospheric CO2 mole fractions, to be compared with the observed atmospheric CO2 mole fractions. Materials available at the site include CO2 flux maps, flux time series graphs, carbon 'weather' maps, and CO2 concentration time series graphs. A download (FTP) page provides access to datasets on 3-D CO2 mole fractions, weekly fluxes, atmospheric CO2 observations, and to the CarbonTracker source code. There is also a link to the Interactive Atmospheric Data Visualization (IADV) tool, a data explorarion tool that enables users to view all data including near real-time preliminary measurement results, obtain details about each sampling location, manipulate and compare NOAA ESRL datasets, create custom graphs, and view their plots online or save them for later use. Other materials include subscription information for an email list, a glossary, and a bibliography.

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Grade Level: Graduate/Professional, High School (9-12), College Upper (15-16), College Lower (13-14)
Topics: Human Dimensions/Resources, Atmosphere