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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North Atlantic storminess and Atlantic Meridional Overturning Circulation during the last Millennium: Reconciling contradictory proxy records of NAO variability
TL;DR: In this paper, the authors review proxy evidence for two alternative hypotheses for the effects of this shift in the North Atlantic region and reconcile the two competing hypotheses based on available results from climate model simulations of the last Millennium.
Journal ArticleDOI
Holocene paleoclimates of India
Sushma Prasad,Yehouda Enzel +1 more
TL;DR: In this article, a comprehensive summary of the available palaeoclimate records from India and compare the results from different proxies is presented, which indicate fluctuating lake levels during the early Holocene.
Journal ArticleDOI
Circum-Mediterranean fire activity and climate changes during the mid-Holocene environmental transition (8500-2500 cal. BP)
Boris Vannière,Mitchell J. Power,Neil Roberts,Willy Tinner,José S. Carrión,Michel Magny,Patrick J. Bartlein,Daniele Colombaroli,Anne-Laure Daniau,Walter Finsinger,Graciela Gil-Romera,Petra Kaltenrieder,Roberta Pini,Laura Sadori,Rebecca Turner,Verushka Valsecchi,Elisa Vescovi +16 more
TL;DR: A mid- to late-Holocene synthesis of fire activity from the Mediterranean basin explores the linkages among fire, climate variability and seasonality through several climatic and ecological transitions.
Journal ArticleDOI
Solar forcing of Holocene climate: New insights from a speleothem record, southwestern United States
TL;DR: In this paper, the authors presented the fi rst high-resolution complete Holocene climate record for the North American monsoon region of the southwestern United States (southwest) in order to address the nature and causes of climate change.
Journal ArticleDOI
Climatic change and contemporaneous land-use phases north and south of the Alps 2300 BC to 800 AD
Willy Tinner,André F. Lotter,Brigitta Ammann,Marco Conedera,Priska Hubschmid,Jacqueline F. N. van Leeuwen,Michael Wehrli +6 more
TL;DR: In this article, the authors used radiocarbon-dated sediments from four lakes in Switzerland to study palynologically the effects of climate change on harvest yields and found that harvest yields would have increased synchronously over wide areas of central and southern Europe during periods of warm and dry climate.
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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