Journal ArticleDOI
Persistent Solar Influence on North Atlantic Climate During the Holocene
Gerard C. Bond,Bernd Kromer,Juerg Beer,Raimund Muscheler,Michael N. Evans,William J. Showers,Sharon Hoffmann,Rusty Lotti-Bond,Irka Hajdas,Georges Bonani +9 more
TLDR
A solar forcing mechanism therefore may underlie at least the Holocene segment of the North Atlantic's “1500-year” cycle, potentially providing an additional mechanism for amplifying the solar signals and transmitting them globally.Abstract:
Surface winds and surface ocean hydrography in the subpolar North Atlantic appear to have been influenced by variations in solar output through the entire Holocene. The evidence comes from a close correlation between inferred changes in production rates of the cosmogenic nuclides carbon-14 and beryllium-10 and centennial to millennial time scale changes in proxies of drift ice measured in deep-sea sediment cores. A solar forcing mechanism therefore may underlie at least the Holocene segment of the North Atlantic's "1500-year" cycle. The surface hydrographic changes may have affected production of North Atlantic Deep Water, potentially providing an additional mechanism for amplifying the solar signals and transmitting them globally.read more
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Holocene millennial to centennial carbonate cyclicity recorded in slope sediments of the Great Bahama Bank and its climatic implications
Sven Roth,John J. G. Reijmer +1 more
TL;DR: A 38 m long sediment core (MD992201) retrieved from a water depth of 290 m from the leeward margin of the Great Bahama Bank (GBB; 25°53·49′N, 79°16·34′W) has been investigated for changes in aragonite content as discussed by the authors.
Journal ArticleDOI
Holocene climate changes in southern Greenland: evidence from lake sediments
TL;DR: In this paper, a Holocene lake sediment record from Lake N14 situated on Angissoq island 15 km off the main coast of southern Greenland is presented, which is interpreted on the basis of flux and percentage content of biogenic silica, clastic material, organic material and sulphur as well as sedimentation rate, moss content and magnetic susceptibility.
Journal ArticleDOI
Millennial-scale climate variability during the Last Interglacial recorded in a speleothem from south-western France
TL;DR: A stalagmite (BDinf) recovered from an archaeological cave (Bourgeois-Delaunay, La Chaise de Vouthon) in SW France provides a rare, high-resolution, precisely dated continental palaeoclimate record covering the warmest part of the last interglacial (128−±-1−121−± 1.1 ) as mentioned in this paper.
Journal ArticleDOI
Two millennia of climate variability in the Central Mediterranean
TL;DR: In this paper, a high-resolution record of foraminiferal δ18O from a Central-Mediterranean sediment core was analyzed using advanced spectral methods and shows highly significant oscillatory components with periods of roughly 600, 350, 200, 125 and 11 years.
Journal ArticleDOI
Glacier fluctuations of Muztagh Ata and temperature changes during the late Holocene in westernmost Tibetan Plateau, based on glaciolacustrine sediment records
Xingqi Liu,Ulrike Herzschuh,Ulrike Herzschuh,Yongbo Wang,Yongbo Wang,Gerhard Kuhn,Zhitong Yu,Zhitong Yu +7 more
TL;DR: In this article, the authors studied the late Holocene glacier variations in westernmost Tibetan Plateau based on the analysis of grain size, magnetic susceptibility, and elements from an 8.3m long distal glaciolacustrine sediment core of Kalakuli Lake.
References
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Journal ArticleDOI
Age dating and the orbital theory of the ice ages: Development of a high-resolution 0 to 300,000-year chronostratigraphy
Douglas G. Martinson,Nicklas G Pisias,James D. Hays,John Imbrie,Theodore C. Moore,Nicholas J Shackleton +5 more
TL;DR: Using the concept of "orbital tuning", a continuous, high-resolution deep-sea chronostratigraphy has been developed spanning the last 300,000 yr as mentioned in this paper.
Journal ArticleDOI
A Pervasive Millennial-Scale Cycle in North Atlantic Holocene and Glacial Climates
Gerard C. Bond,William J. Showers,Maziet Cheseby,Rusty Lotti,Peter Almasi,Peter B deMenocal,Paul Priore,Heidi Cullen,Irka Hajdas,Georges Bonani +9 more
TL;DR: In this paper, the North Atlantic deep sea cores reveal that abrupt shifts punctuated what is conventionally thought to have been a relatively stable Holocene climate, and they make up a series of climate shifts with a cyclicity close to 1470 ± 500 years, which is the most recent manifestation of a pervasive millennial-scale climate cycle operating independently of the glacial-interglacial climate state.
Journal ArticleDOI
Revised carbonate-water isotopic temperature scale
TL;DR: The relationship between temperature and O(18) content relative to that for a Cretaceous belemnite of the Pee Dee formation previously reported (Epstein, Buchsbaum, Lowenstam, and Urey, 1951) has been re-determined using modified procedures for removing organic matter from shells, and is found to be 16.5 - 4.3 δ + 0.14 δ^2
Journal ArticleDOI
Macintosh Program performs time‐series analysis
TL;DR: A Macintosh computer program that can perform many time-series analysis procedures is now available on the Internet free of charge, originally designed for paleoclimatic time series.
Journal ArticleDOI
Holocene climatic instability: A prominent, widespread event 8200 yr ago
Richard B. Alley,Paul Andrew Mayewski,Todd Sowers,Minze Stuiver,Kendrick C. Taylor,Peter U. Clark +5 more
TL;DR: The most prominent Holocene climatic event in Greenland ice-core proxies, with approximately half the amplitude of the Younger Dryas, occurred ∼8000 to 8400 yr ago.
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