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    Effects of ozone on net primary production and carbon sequestration in the conterminous United States using a biogeochemistry model

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    Author's final draft (289Kb)
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    Date
    2003-11-25
    Author
    Felzer, Benjamin S.  Concept link
    Kicklighter, David W.  Concept link
    Melillo, Jerry M.  Concept link
    Wang, C.  Concept link
    Zhuang, Qianlai  Concept link
    Prinn, Ronald G.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/548
    As published
    https://doi.org/10.1111/j.1600-0889.2004.00097.x
    Abstract
    The effects of air pollution on vegetation may provide an important control on the carbon cycle that has not yet been widely considered. Prolonged exposure to high levels of ozone, in particular, has been observed to inhibit photosynthesis by direct cellular damage within the leaves and through possible changes in stomatal conductance. We have incorporated empirical equations derived for trees (hardwoods and pines) and crops into the Terrestrial Ecosystem Model to explore the effects of ozone on net primary production and carbon sequestration across the conterminous United States. Our results show a 2.6 – 6.8% mean reduction for the U.S. in annual Net Primary Production (NPP) in response to modeled historical ozone levels during the late 1980s-early 1990s. The largest decreases (over 13% in some locations) occur in the Midwest agricultural lands, during the mid-summer when ozone levels are highest. Carbon sequestration since the 1950s has been reduced by 18 - 38 Tg C yr-1 with the presence of ozone. Thus the effects of ozone on NPP and carbon sequestration should be factored into future calculations of the US carbon budget.
    Description
    Author Posting. © The Author(s), 2004. This is the author's version of the work. It is posted here by permission of Blackwell for personal use, not for redistribution. The definitive version was published in Tellus B 56 (2004): 230-248, doi:10.1111/j.1600-0889.2004.00097.x.
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    • Ecosystems Center
    Suggested Citation
    Preprint: Felzer, Benjamin S., Kicklighter, David W., Melillo, Jerry M., Wang, C., Zhuang, Qianlai, Prinn, Ronald G., "Effects of ozone on net primary production and carbon sequestration in the conterminous United States using a biogeochemistry model", 2003-11-25, https://doi.org/10.1111/j.1600-0889.2004.00097.x, https://hdl.handle.net/1912/548
     
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