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Record #172366:

Glacial cycles: toward a new paradigm / Didier Paillard.

Title: Glacial cycles: toward a new paradigm / Didier Paillard.
Author(s): Paillard, Didier.
Date: 2001.
In: Reviews of Geophysics. (2001.), Vol. 39(3) (2001)
Abstract: Reviews milestones in discovery of ice ages and presents in detail astronomical theory and simple conceptual models. Identifies problems with existing theory of paleoclimate: lack of significant orbitally induced changes at 100-kyr period, despite this being main climatic cyclicity; appearance of most prominent glacial-interglacial transition when orbital variations are minimal; change at ~0.8 Ma from 41-kyr to 100-kyr cyclicity without major orbital changes; and evidence for abrupt changes in temperature and ice sheet configuration. Discusses how new observational evidence and use of concept of thresholds may help define new paradigm for glacial cycles to solve difficulties with "classical" astronomical theory.
Notes:

Reviews of Geophysics. Vol. 39(3) :325-346 (2001).

Keywords: 551.58 -- Climatology.
551.583.3 -- Climatic changes, Quaternary.
551.336 -- Ice ages.
551.338 -- Ice ages, theories of causation.
525.3 -- Earth, orbit and motions.
551.324.24 -- Ice sheets and caps.
551.524 -- Air temperature.
E7 -- Glaciology: glacial geology and ice ages.
SPRI record no.: 172366

MARCXML

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245 10 ‡aGlacial cycles :‡btoward a new paradigm /‡cDidier Paillard.
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500 ## ‡aReviews of Geophysics. Vol. 39(3) :325-346 (2001).
520 3# ‡aReviews milestones in discovery of ice ages and presents in detail astronomical theory and simple conceptual models. Identifies problems with existing theory of paleoclimate: lack of significant orbitally induced changes at 100-kyr period, despite this being main climatic cyclicity; appearance of most prominent glacial-interglacial transition when orbital variations are minimal; change at ~0.8 Ma from 41-kyr to 100-kyr cyclicity without major orbital changes; and evidence for abrupt changes in temperature and ice sheet configuration. Discusses how new observational evidence and use of concept of thresholds may help define new paradigm for glacial cycles to solve difficulties with "classical" astronomical theory.
650 07 ‡a551.58 -- Climatology.‡2udc
650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc
650 07 ‡a551.336 -- Ice ages.‡2udc
650 07 ‡a551.338 -- Ice ages, theories of causation.‡2udc
650 07 ‡a525.3 -- Earth, orbit and motions.‡2udc
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.524 -- Air temperature.‡2udc
650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local
773 0# ‡7nnas ‡tReviews of Geophysics. ‡gVol. 39(3) (2001) ‡wSPRI-96526
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