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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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dc.contributor.author Felzer, Benjamin S.
dc.contributor.author Kicklighter, David W.
dc.contributor.author Melillo, Jerry M.
dc.contributor.author Wang, C.
dc.contributor.author Zhuang, Qianlai
dc.contributor.author Prinn, Ronald G.
dc.date.accessioned 2006-02-06T19:58:39Z
dc.date.available 2006-02-06T19:58:39Z
dc.date.issued 2003-11-25
dc.identifier.uri http://hdl.handle.net/1912/548
dc.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.
dc.description.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. en
dc.description.sponsorship This study was funded by the Biocomplexity Program of the U.S. National Science Foundation (ATM-0120468), the Methods and Models for Integrated Assessment Program of the U.S. National Science Foundation (DEB-9711626) and the Earth Observing System Program of the U.S. National Aeronautics and Space Administration (NAG5-10135). We also received support from the MIT Joint Program on the Science and Policy of Global Changes. en
dc.format.extent 409600 bytes
dc.format.extent 295936 bytes
dc.format.mimetype application/vnd.ms-powerpoint
dc.format.mimetype application/msword
dc.language.iso en_US en
dc.relation.uri http://dx.doi.org/10.1111/j.1600-0889.2004.00097.x
dc.title Effects of ozone on net primary production and carbon sequestration in the conterminous United States using a biogeochemistry model en
dc.type Preprint en


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