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
Citations
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Journal ArticleDOI
A 725 yr cycle in the climate of central Africa during the late Holocene
TL;DR: In this article, high-resolution analyses of the chemical and stable isotope composition of endogenic calcite from Lake Edward, an equatorial rift lake in central Africa, reveal large oscillations in African climate and moisture balance over the past 5400 yr.
Journal ArticleDOI
Numerically derived evidence for late-Holocene climate change and its impact on human presence in the southwest Taurus Mountains, Turkey
TL;DR: A well-dated pollen diagram from Gravgaz marsh near the archaeological site of Sagalassos (western Taurus Mountains, Turkey) provides the first detailed record of vegetation change in southwest Turkey during the last two millennia as mentioned in this paper.
Journal ArticleDOI
Alkenone-based reconstructions reveal four-phase Holocene temperature evolution for High Arctic Svalbard
Willem G.M. van der Bilt,Willem G.M. van der Bilt,William J. D'Andrea,Jostein Bakke,Jostein Bakke,Nicholas L. Balascio,Johannes P. Werner,Johannes P. Werner,Marthe Gjerde,Marthe Gjerde,Raymond S. Bradley +10 more
TL;DR: In this article, the authors present two quantitative Holocene-length paleotemperature records from the High Arctic Svalbard archipelago, situated in the climatically sensitive Arctic North Atlantic.
Journal ArticleDOI
Solar forcing of Holocene droughts in a stalagmite record from West Virginia in east‐central North America
TL;DR: In this article, a cross-spectral analysis of the multiscale resolution Sr/Ca and δ13C time series yields coherent ∼200 and ∼500 years periodicities consistent with the de Vries solar irradiance cycle.
Journal ArticleDOI
Holocene glacial history of Svalbard: Status, perspectives and challenges
Wesley R. Farnsworth,Wesley R. Farnsworth,Lis Allaart,Ólafur Ingólfsson,Helena Alexanderson,Matthias Forwick,Riko Noormets,Michael J. Retelle,Michael J. Retelle,Anders Schomacker +9 more
TL;DR: In this article, the authors synthesize the current understanding of glacier activity on Svalbard from the end of the Late Pleistocene (12,000 yrs before present) to the beginning of the Little Ice Age (c 1920 AD) using the SVALHOLA database.
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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