Does interplanetary dust control 100 kyr glacial cycles?

Gisela Winckler, Robert F. Anderson, Martin Stute, Peter Schlosser

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The cause of the 100 kyr glacial-interglacial cycles during the past 800 kyr is one of the fundamental puzzles in paleoclimatology. The widely accepted Milankovitch theory, relating earth's climate cycles to variations in insolation caused by periodic changes in orbital parameters, has difficulties to explain the predominant 100 kyr rhythm. Although earth's eccentricity varies with a period of 100 kyr, the resulting change in insolation is too small to produce the corresponding climate cycle by direct forcing (Imbrie et al., Paleoceanography 8 (1993) 699). In order to solve the '100 kyr problem', Muller and MacDonald (Nature 377 (1995) 107; Science 277 (1997a) 215; Proc. Nat. Acad. Sci. USA 94 (1997b) 8329) proposed an alternative orbital but non-Milankovitch mechanism attributing the glacial cycles to regular variations in the accretion of interplanetary dust particles (IDP) caused by 100 kyr cycles in the orbital inclination of the earth. To test this controversial hypothesis, we study the IDP accumulation in deep-sea sediments from a period in the early Pleistocene. We find apparent 41 kyr cycles but no 100 kyr periodicity in the IDP accumulation rate. As there is no known mechanism to produce 41 kyr cycles in IDP supply from space, we conclude that the 41 kyr cycles are caused by the dynamics of sediment accumulation, and that changes in the IDP flux do not drive the Pleistocene glacial cycles.

Original languageEnglish (US)
Pages (from-to)1873-1878
Number of pages6
JournalQuaternary Science Reviews
Volume23
Issue number18-19
DOIs
StatePublished - Oct 1 2004
Externally publishedYes

Fingerprint

dust control
interplanetary dust
dust
climate cycle
climate
insolation
solar radiation
paleoclimatology
Pleistocene
sediments
paleoceanography
glacial-interglacial cycle
supply
deep-sea sediment
cause
accumulation rate
eccentricity
periodicity
accretion
particle

ASJC Scopus subject areas

  • Global and Planetary Change
  • Ecology, Evolution, Behavior and Systematics
  • Archaeology
  • Archaeology
  • Geology

Cite this

Does interplanetary dust control 100 kyr glacial cycles? / Winckler, Gisela; Anderson, Robert F.; Stute, Martin; Schlosser, Peter.

In: Quaternary Science Reviews, Vol. 23, No. 18-19, 01.10.2004, p. 1873-1878.

Research output: Contribution to journalArticle

Winckler, Gisela ; Anderson, Robert F. ; Stute, Martin ; Schlosser, Peter. / Does interplanetary dust control 100 kyr glacial cycles?. In: Quaternary Science Reviews. 2004 ; Vol. 23, No. 18-19. pp. 1873-1878.
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