A Pervasive Millennial-Scale Cycle in North Atlantic Holocene and Glacial Climates
Gérard C. BondG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandWilliam ShowersG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandMaziet ChesebyG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandRusty LottiG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandPeter AlmasiG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandPeter B deMenocalG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandPaul PrioreG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandHeidi CullenG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandIrka HajdasG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, SwitzerlandGeorges BonaniG. Bond, M. Cheseby, R. Lotti, P. Almasi, P. deMenocal, P. Priore, and H. Cullen are at the Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA. W. Showers is in the Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695, USA. I. Hajdas and G. Bonani are in the AMS 14C Lab, ITP Eidgenössische Technische Hochschule (ETH) Honeggerberg, CH-8093 Zurich, Switzerland
1997en
ABI
Аннотация
Evidence from North Atlantic deep sea cores reveals that abrupt shifts punctuated what is conventionally thought to have been a relatively stable Holocene climate. During each of these episodes, cool, ice-bearing waters from north of Iceland were advected as far south as the latitude of Britain. At about the same times, the atmospheric circulation above Greenland changed abruptly. Pacings of the Holocene events and of abrupt climate shifts during the last glaciation are statistically the same; together, they make up a series of climate shifts with a cyclicity close to 1470 ± 500 years. The Holocene events, therefore, appear to be the most recent manifestation of a pervasive millennial-scale climate cycle operating independently of the glacial-interglacial climate state. Amplification of the cycle during the last glaciation may have been linked to the North Atlantic's thermohaline circulation.
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