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    Description

    Scientific understanding of the global carbon cycle is required for developing national and international policy to mitigate fossil fuel CO2 emissions by managing terrestrial carbon uptake. Toward that understanding and as a contribution to the REgional Carbon Cycle Assessment and Processes (RECCAP) project, this paper provides a synthesis of net land-atmosphere CO2 exchange for North America (Canada, United States, and Mexico) over the period 1990-2009. Only CO2 is considered, not methane or other greenhouse gases. This synthesis is based on results from three different methods: atmospheric inversion, inventory-based methods and terrestrial biosphere modeling. All methods indicate that the North American land surface was a sink for atmospheric CO2, with a net transfer from atmosphere to land.

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    Citation

    King, A.W.; Andres, R.J.; Davis, K J.; Hafer, M.; Hayes, D.J.; Huntzinger, D.N.; de Jong, B.; Kurz, W.A.; McGuire, A.D.; Vargas, R.; Wei, Y.; West, T.O.; Woodall, C.W. 2015. North America's net terrestrial CO2 exchange with the atmosphere 1990-2009. Biogeosciences. 12(2): 399-414.

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https://www.fs.usda.gov/treesearch/pubs/47454