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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Ice Sheet Sources of Sea Level Rise and Freshwater Discharge During the Last Deglaciation
TL;DR: In this paper, the authors review and synthesize the geologic record that constrains the sources of sea level rise and freshwater discharge to the global oceans associated with retreat of ice sheets during the last deglaciation.
Journal ArticleDOI
A 10,000 year record of dune activity, dust storms, and severe drought in the central Great Plains
Xiaodong Miao,Joseph A. Mason,James B. Swinehart,David B. Loope,Paul R. Hanson,Ronald J. Goble,Xiaodong Liu +6 more
TL;DR: In this article, a 10,000 yr reconstruction of dune activity and dust production in the central Great Plains region, based on 95 optically stimulated luminescence ages, is presented.
Journal ArticleDOI
Cosmoclimatology: a new theory emerges
TL;DR: Svensmark and Calder as mentioned in this paper found that an increase in cosmic rays makes the world cloudier, and proposed a mechanism for solardriven climate change much more powerful than changes in solar irradiance.
Journal ArticleDOI
Extra-tropical Northern Hemisphere land temperature variability over the past 1000 years
TL;DR: In this article, the ECS reconstruction is revisited in order to strengthen and clarify its interpretation, based on tree-ring data from 14 temperature-sensitive sites, is best interpreted as a land-only, extra-tropical expression of NH temperature variability.
Journal ArticleDOI
Summer temperatures in the Canadian Rockies during the last millennium: a revised record
Brian H. Luckman,Rob Wilson +1 more
TL;DR: The authors presented a significant update to a millennial summer temperature reconstruction (1073-1983) that was originally published in 1997 using new tree-ring data (predominantly Picea engelmannii), which is not only better replicated, but has been extended (950-1994) and is now more regionally representative.
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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