Timing of the Antarctic cold reversal and the atmospheric CO<sub>2</sub> increase with respect to the Younger Dryas Event

Blunier, Thomas; Schwander, Jakob; Stauffer, B.; Stocker, Thomas F.; Dällenbach, A.; Indermühle, Andreas; Tschumi, J.; Chappellaz, J.; Raynaud, Dominique; Barnola, Jean-Marc

doi:10.1029/97gl02658

Cited by 193 publications

(118 citation statements)

References 35 publications

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“…The similar pattern of these climate repercussions and their timing within the early part of the interglacial at Lake El'gygytgyn, Lake Baikal and Antarctic ice cores (Fig. 4) could thus be the result of a similar underlying mechanism during the MIS 12/11 transition as has been proposed for the last deglaciation (Blunier et al, 1997). However, the error of the respective age models does not allow for correlation of the observed events or estimates on their duration.…”

Section: The Mis 11c Climate Record From Lake El'gygytgyn Viewed In Amentioning

confidence: 87%

Detailed insight into Arctic climatic variability during MIS 11c at Lake El'gygytgyn, NE Russia

et al. 2013

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Here we present a detailed multi-proxy record of the climate and environmental evolution at Lake El'gygytgyn, Far East Russian Arctic during the period 430–395 ka covering the marine isotope stage (MIS) 12/11 transition and the thermal maximum of super interglacial MIS 11c. The MIS 12/11 transition at Lake El'gygytgyn is characterized by initial warming followed by a cold reversal implying similarities to the last deglaciation. The thermal maximum of MIS 11c is characterized by full and remarkably stable interglacial conditions with mean temperatures of the warmest month (MTWM) ranging between ca. 10–15 °C; annual precipitation (PANN) ranging between ca. 300–600 mm; strong in-lake productivity coinciding with dark coniferous forests in the catchment; annual disintegration of the lake ice cover; and full mixis of the water column. Such conditions persisted, according to our age model, for ca. 27 ± 8 kyr between ca. 425–398 ka. The Lake El'gygytgyn record closely resembles the climate pattern recorded in Lake Baikal (SE Siberia) sediments and Antarctic ice cores, implying interhemispheric climate connectivity during MIS 11c

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Section: The Mis 11c Climate Record From Lake El'gygytgyn Viewed In Amentioning

confidence: 87%

Detailed insight into Arctic climatic variability during MIS 11c at Lake El'gygytgyn, NE Russia

et al. 2013

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“…The evidence for the antiphasing of the millennial-duration climate changes occurring on the Antarctic continent compared with those elsewhere on the planet comes from the correlation of the oxygen isotope records for the Antarctic Byrd and the Greenland GISP2 ice cores (15)(16)(17). This antiphasing is clearly seen in the deglaciation interval (Ϸ20,000 to Ϸ10,000 calendar years ago).…”

Section: Appendixmentioning

confidence: 94%

“…DEL 14 C is the deviation of the recontructed initial 14 C͞C from the long-term mean. (Lower) 18 O records for the Greenland Ice Science Project (GISP2) and the Byrd Station Antarctica ice cores (15)(16)(17). The time scale is in thousands of years before present (ka).…”

Section: Appendixmentioning

confidence: 99%

Was a change in thermohaline circulation responsible for the Little Ice Age?

Broecker

2000

Proc. Natl. Acad. Sci. U.S.A.

156

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“…10). The younger of these two events aligns well with the onset of the Antarctic Cold Reversal between 14 800 and 14 500 years ago (Jouzel et al, 1995;Blunier et al, 1997). The duration of the event is much shorter than the ACR, lasting about 150 years as opposed to the 1700 years of the ACR.…”

Section: The Antarctic Cold Reversal In the New Zealand Recordmentioning

confidence: 55%

Inter-hemispheric linkages in climate change: paleo-perspectives for future climate change

et al. 2006

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Abstract. The Pole-Equator-Pole (PEP) projects of the PANASH (Paleoclimates of the Northern and Southern Hemisphere) programme have significantly advanced our understanding of past climate change on a global basis and helped to integrate paleo-science across regions and research disciplines. PANASH science allows us to constrain predictions for future climate change and to contribute to the management of consequent environmental changes. We identify three broad areas where PEP science makes key contributions.1. The pattern of global changes. Knowing the exact timing of glacial advances (synchronous or otherwise) during the last glaciation is critical to understanding interhemispheric links in climate. Work in PEPI demonstrated that the tropical Andes in South America were deglaciated earlier than the Northern Hemisphere (NH) and that an extended warming began there ca. 21 000 cal years BP. The general pattern is consistent with Antarctica and has now been replicated from studies in Southern Hemisphere (SH) regions of the PEPII transect. That significant deglaciation of SH alpine systems and Antarctica led deglaciation of NH ice sheets may reflect either i) faster response times in alpine systems and Antarctica, ii) regional moisture patterns that influenced glacier mass balance, or iii) a SH temperature forcing that led changes in the NH. This highlights the limitations of current understanding and the need for further fundamental paleoclimate research.2. Changes in modes of operation of oscillatory climate systems. Work across all the PEP transects has led to the recognition that the El Niño Southern Oscillation (ENSO) phenomenon has changed markedly through time. It now appears that ENSO operated during the last glacial termination Correspondence to: J. Shulmeister (james.shulmeister@canterbury.ac.nz) and during the early Holocene, but that precipitation teleconnections even within the Pacific Basin were turned down, or off. In the modern ENSO phenomenon both inter-annual and seven year periodicities are present, with the inter-annual signal dominant. Paleo-data demonstrate that the relative importance of the two periodicities changes through time, with longer periodicities dominant in the early Holocene.3. The recognition of climate modulation of oscillatory systems by climate events. We examine the relationship of ENSO to a SH climate event, the Antarctic cold reversal (ACR), in the New Zealand region. We demonstrate that the onset of the ACR was associated with the apparent switching on of an ENSO signal in New Zealand. We infer that this related to enhanced zonal SW winds with the amplification of the pressure fields allowing an existing but weak ENSO signal to manifest itself. Teleconnections of this nature would be difficult to predict for future abrupt change as boundary conditions cannot readily be specified. Paleo-data are critical to predicting the teleconnections of future changes.

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Timing of the Antarctic cold reversal and the atmospheric CO₂ increase with respect to the Younger Dryas Event

Abstract: Abstract.The

Cited by 193 publications

References 35 publications

Detailed insight into Arctic climatic variability during MIS 11c at Lake El'gygytgyn, NE Russia

Detailed insight into Arctic climatic variability during MIS 11c at Lake El'gygytgyn, NE Russia

Was a change in thermohaline circulation responsible for the Little Ice Age?

Inter-hemispheric linkages in climate change: paleo-perspectives for future climate change

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Timing of the Antarctic cold reversal and the atmospheric CO2 increase with respect to the Younger Dryas Event

Abstract: Abstract.The

Cited by 193 publications

References 35 publications

Detailed insight into Arctic climatic variability during MIS 11c at Lake El'gygytgyn, NE Russia

Detailed insight into Arctic climatic variability during MIS 11c at Lake El'gygytgyn, NE Russia

Was a change in thermohaline circulation responsible for the Little Ice Age?

Inter-hemispheric linkages in climate change: paleo-perspectives for future climate change

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Product

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Timing of the Antarctic cold reversal and the atmospheric CO₂ increase with respect to the Younger Dryas Event