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Global climate evolution during the last deglaciation

Clark, Peter U ; Shakun, Jeremy D ; Baker, Paul A ; Bartlein, Patrick J ; Brewer, Simon ; Brook, Ed ; Carlson, Anders E ; Cheng, Hai ; Kaufman, Darrell S ; Liu, Zhengyu ; Marchitto, Thomas M ; Mix, Alan C ; Morrill, Carrie ; Otto-Bliesner, Bette L ; Pahnke, Katharina ; Russell, James M ; Whitlock, Cathy ; Adkins, Jess F ; Blois, Jessica L ; Clark, Jorie ; Colman, Steven M ; Curry, William B ; Flower, Ben P ; He, Feng ; Johnson, Thomas C ; Lynch-Stieglitz, Jean ; Markgraf, Vera ; McManus, Jerry ; Mitrovica, Jerry X ; Moreno, Patricio I ; Williams, John W

Proceedings of the National Academy of Sciences - PNAS, 2012-05, Vol.109 (19), p.E1134-E1142 [Periódico revisado por pares]

United States: National Academy of Sciences

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Título:
Global climate evolution during the last deglaciation
Autor: Clark, Peter U ; Shakun, Jeremy D ; Baker, Paul A ; Bartlein, Patrick J ; Brewer, Simon ; Brook, Ed ; Carlson, Anders E ; Cheng, Hai ; Kaufman, Darrell S ; Liu, Zhengyu ; Marchitto, Thomas M ; Mix, Alan C ; Morrill, Carrie ; Otto-Bliesner, Bette L ; Pahnke, Katharina ; Russell, James M ; Whitlock, Cathy ; Adkins, Jess F ; Blois, Jessica L ; Clark, Jorie ; Colman, Steven M ; Curry, William B ; Flower, Ben P ; He, Feng ; Johnson, Thomas C ; Lynch-Stieglitz, Jean ; Markgraf, Vera ; McManus, Jerry ; Mitrovica, Jerry X ; Moreno, Patricio I ; Williams, John W
Assuntos: Atmosphere ; Atmosphere - analysis ; Biological Evolution ; Carbon cycle ; carbon dioxide ; Carbon Dioxide - metabolism ; Climate ; Decay ; Deglaciation ; Ecosystem ; ENVIRONMENTAL SCIENCES ; Geography ; Global climate ; Global climate variability ; Global Warming ; Greenhouse effect ; Greenhouse gases ; heat ; ice ; Ice Cover ; Ice sheets ; Last Glacial Maximum ; marine ecosystems ; Meridional overturning circulation ; methane ; Methane - metabolism ; Models, Theoretical ; Monte Carlo Method ; Ocean circulation ; Oceanic circulation ; Oceans ; Oxygen - metabolism ; Paleoclimate science ; paleoclimatology ; Physical Sciences ; PNAS Plus ; Principal Component Analysis ; Science & Technology - Other Topics ; Sea level ; Seawater ; Temperature ; Time Factors ; Water Movements
É parte de: Proceedings of the National Academy of Sciences - PNAS, 2012-05, Vol.109 (19), p.E1134-E1142
Notas: http://dx.doi.org/10.1073/pnas.1116619109
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
USDOE Office of Science (SC)
National Science Foundation (NSF)
Edited by Mark H. Thiemens, University of California at San Diego, La Jolla, CA, and approved January 4, 2012 (received for review October 10, 2011)
Author contributions: P.U.C., J.D.S., Z.L., and B.L.O.-B. designed research; P.U.C., J.D.S., and J.X.M. performed research; P.U.C., J.D.S., A.E.C., H.C., Z.L., B.L.O.-B., J.F.A., J.L.B., J.C., S.M.C., W.B.C., B.P.F., F.H., T.C.J., J.L.-S., V.M., J.M., P.I.M., and J.W.W. analyzed data; and P.U.C., J.D.S., P.A.B., P.J.B., S.B., E.B., A.E.C., D.S.K., T.M.M., A.C.M., C.M., K.P., J.M.R., and C.W. wrote the paper.
Descrição: Deciphering the evolution of global climate from the end of the Last Glacial Maximum approximately 19 ka to the early Holocene 11 ka presents an outstanding opportunity for understanding the transient response of Earth’s climate system to external and internal forcings. During this interval of global warming, the decay of ice sheets caused global mean sea level to rise by approximately 80 m; terrestrial and marine ecosystems experienced large disturbances and range shifts; perturbations to the carbon cycle resulted in a net release of the greenhouse gases CO2 and CH4 to the atmosphere; and changes in atmosphere and ocean circulation affected the global distribution and fluxes of water and heat. Here we summarize a major effort by the paleoclimate research community to characterize these changes through the development of well-dated, high-resolution records of the deep and intermediate ocean as well as surface climate. Our synthesis indicates that the superposition of two modes explains much of the variability in regional and global climate during the last deglaciation, with a strong association between the first mode and variations in greenhouse gases, and between the second mode and variations in the Atlantic meridional overturning circulation.
Editor: United States: National Academy of Sciences
Idioma: Inglês

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Global climate evolution during the last deglaciation

United States: National Academy of Sciences

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