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Net emissions of CH4 and CO2 in Alaska: Implications for the region's greenhouse gas budget

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Net emissions of CH4 and CO2 in Alaska: Implications for the region's greenhouse gas budget; 2007; Article; Journal; Ecological Applications; Zhuang, Q.; Melillo, J. M.; McGuire, A. D.; Kicklighter, D. W.; Prinn, R. G.; Steudler, P. A.; Felzer, B. S.; Hu, S.

Summary

We used a biogeochemistry model, the Terrestrial Ecosystem Model (TEM), to study the net methane (CH4) fluxes between Alaskan ecosystems and the atmosphere. We estimated that the current net emissions of CH4 (emissions minus consumption) from Alaskan soils are ???3 Tg CH 4/yr. Wet tundra ecosystems are responsible for 75% of the region's net emissions, while dry tundra and upland boreal forests are responsible for 50% and 45% of total consumption over the region, respectively. In response to climate change over the 21st century, our simulations indicated that CH 4 emissions from wet soils would be enhanced more than consumption by dry soils of tundra and boreal forests. As a consequence, we projected that net CH4 emissions will almost [...]

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local-index unknown 70033147
local-pk unknown 70033147
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1890/1051-0761(2007)017[0203:NEOCAC]2.0.CO;2
series unknown Ecological Applications

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citationTypeArticle
journalEcological Applications
languageEnglish
parts
typevolume
value17
typeissue
value1

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