The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability

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The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability. / Ditlevsen, Peter.

In: Atmosphere - Ocean, Vol. 60, 17.06.2022, p. 233-244.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Ditlevsen, P 2022, 'The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability', Atmosphere - Ocean, vol. 60, pp. 233-244. https://doi.org/10.1080/07055900.2022.2077172

APA

Ditlevsen, P. (2022). The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability. Atmosphere - Ocean, 60, 233-244. https://doi.org/10.1080/07055900.2022.2077172

Vancouver

Ditlevsen P. The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability. Atmosphere - Ocean. 2022 Jun 17;60:233-244. https://doi.org/10.1080/07055900.2022.2077172

Author

Ditlevsen, Peter. / The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability. In: Atmosphere - Ocean. 2022 ; Vol. 60. pp. 233-244.

Bibtex

@article{8da95b9f5a554f8c94ae67ab720296f2,
title = "The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability",
abstract = "The Pleistocene glacial cycles are the most prominent climate variations over the past three million years. They are the climatic response to variations in the incoming solar radiation, insolation, due to the deviations of the Earth's orbital configuration from the perfect Keplerian orbit is caused by the influence of the other planets in the solar system. This climatic response to astronomical forcing is highly non-linear, which is most pronounced expressed in the changing duration of the glacial cycles through the Middle Pleistocene Transition around a million years ago, where the duration of glacial cycles changed from 40 kyr to approximately 100 kyr without any corresponding changes in the astronomical forcing. In the late Pleistocene glaciations, the Northern Hemisphere ice sheets have grown larger than before, causing an increased cooling through the ice-albedo feedback, which makes it harder with increased insolation to cause deglaciation. The cold climate with extended glaciations has also made the climate more unstable, where strong millennial-scale oscillations related to changes in the Atlantic Meridional Overturning Circulation are observed in the paleoclimatic records.",
keywords = "glacial cycles, ice age models, Milankovitch theory, millennial-scale climate variability, ice core records, dynamical climate models, ICE-SHEET, STOCHASTIC RESONANCE, MODEL, OSCILLATIONS, TRANSITION, EVENTS, ORIGIN, RECORD, OCEAN, TIME",
author = "Peter Ditlevsen",
year = "2022",
month = jun,
day = "17",
doi = "10.1080/07055900.2022.2077172",
language = "English",
volume = "60",
pages = "233--244",
journal = "Atmosphere - Ocean",
issn = "0705-5900",
publisher = "Routledge",

}

RIS

TY - JOUR

T1 - The Pleistocene Glacial Cycles and Millennial-Scale Climate Variability

AU - Ditlevsen, Peter

PY - 2022/6/17

Y1 - 2022/6/17

N2 - The Pleistocene glacial cycles are the most prominent climate variations over the past three million years. They are the climatic response to variations in the incoming solar radiation, insolation, due to the deviations of the Earth's orbital configuration from the perfect Keplerian orbit is caused by the influence of the other planets in the solar system. This climatic response to astronomical forcing is highly non-linear, which is most pronounced expressed in the changing duration of the glacial cycles through the Middle Pleistocene Transition around a million years ago, where the duration of glacial cycles changed from 40 kyr to approximately 100 kyr without any corresponding changes in the astronomical forcing. In the late Pleistocene glaciations, the Northern Hemisphere ice sheets have grown larger than before, causing an increased cooling through the ice-albedo feedback, which makes it harder with increased insolation to cause deglaciation. The cold climate with extended glaciations has also made the climate more unstable, where strong millennial-scale oscillations related to changes in the Atlantic Meridional Overturning Circulation are observed in the paleoclimatic records.

AB - The Pleistocene glacial cycles are the most prominent climate variations over the past three million years. They are the climatic response to variations in the incoming solar radiation, insolation, due to the deviations of the Earth's orbital configuration from the perfect Keplerian orbit is caused by the influence of the other planets in the solar system. This climatic response to astronomical forcing is highly non-linear, which is most pronounced expressed in the changing duration of the glacial cycles through the Middle Pleistocene Transition around a million years ago, where the duration of glacial cycles changed from 40 kyr to approximately 100 kyr without any corresponding changes in the astronomical forcing. In the late Pleistocene glaciations, the Northern Hemisphere ice sheets have grown larger than before, causing an increased cooling through the ice-albedo feedback, which makes it harder with increased insolation to cause deglaciation. The cold climate with extended glaciations has also made the climate more unstable, where strong millennial-scale oscillations related to changes in the Atlantic Meridional Overturning Circulation are observed in the paleoclimatic records.

KW - glacial cycles

KW - ice age models

KW - Milankovitch theory

KW - millennial-scale climate variability

KW - ice core records

KW - dynamical climate models

KW - ICE-SHEET

KW - STOCHASTIC RESONANCE

KW - MODEL

KW - OSCILLATIONS

KW - TRANSITION

KW - EVENTS

KW - ORIGIN

KW - RECORD

KW - OCEAN

KW - TIME

U2 - 10.1080/07055900.2022.2077172

DO - 10.1080/07055900.2022.2077172

M3 - Journal article

VL - 60

SP - 233

EP - 244

JO - Atmosphere - Ocean

JF - Atmosphere - Ocean

SN - 0705-5900

ER -

ID: 315467639