Download Abrupt Climate Change: Mechanisms, Patterns, and Impacts by Harunur Rashid, Leonid Polyak, Ellen Mosley-Thompson PDF

By Harunur Rashid, Leonid Polyak, Ellen Mosley-Thompson

Released through the yankee Geophysical Union as a part of the Geophysical Monograph sequence, quantity 193.

Abrupt weather swap: Mechanisms, styles, and Impacts
brings jointly a various workforce of paleoproxy files similar to ice cores, marine sediments, terrestrial (lakes and speleothems) information, and matched ocean-atmosphere weather versions to record contemporary advances in knowing the mechanisms of abrupt weather adjustments. because the discovery of the Dansgaard-Oeschger occasions in Greenland ice cores and the next discovery in their modern occasions within the marine sediments of the North Atlantic, the hunt for those abrupt, millennial-scale occasions around the globe has intensified, and consequently, the variety of paleoclimatic files chronicling such occasions has elevated. the amount highlights contain discussions of files of earlier weather variability, meridional overturning circulate, land-ocean-atmosphere interactions, feedbacks within the weather method, and international temperature anomalies. Abrupt weather Change might be of curiosity to scholars, researchers, lecturers, and coverage makers who're thinking about abrupt weather switch and its capability effect on society.

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Extra resources for Abrupt Climate Change: Mechanisms, Patterns, and Impacts

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E. P. Chassignet, and C. G. H. Rooth (2001), On the connection between the Mediterranean Outflow and the Azores Current, J. Phys. , 31, 461 – 480. , S. L. Goldstein, and S. R. Hemming (2008), Abrupt changes in Antarctic Intermediate Water circulation over the past 25,000 years, Nat. , 1(12), 870 – 874. , and E. Bard (2002), High frequency palaeoceanographic changes during the past 140000 yr recorded by the organic matter in sediments of the Iberian margin, Palaeogeogr. Palaeoclimatol. , 181(4), 431 – 452.

N. Thouveny, D. Delanghe, I. N. McCave, and N. J. Shackleton (2002), Climatic and oceanographic changes in the northeast Atlantic reflected by magnetic properties of sediments deposited on the Portuguese margin during the last 340 ka, Earth Planet. Sci. , 202(2), 465 – 480. , M. F. Sanchez Goni, S. Desprat, J. L. Turon, J. Duprat, B. Malaize, C. Joli, E. Cortijo, T. Drago, and M. C. Freitas (2007), Present-day and past (last 25 000 years) marine pollen signal off western Iberia, Mar. , 62(2), 91 –114.

Pachyderma (s) and reminding of the hydrographic conditions observed for the Heinrich stadials. , 2008], so that similar forcing mechanisms and responses in the AMOC can be assumed. The low benthic δ13C values recorded at sites VOELKER AND DE ABREU 27 MD95-2040 and MD01-2443 (Figure 5f) between 271 and 262 ka clearly indicate that the AMOC was reduced or shut off. , 2000]. In comparison to the northern areas, cooling in the surface waters off Sines was reduced, similar to the previous glacials, but this time, the peak cooling in the south was significantly shorter in the planktic foraminifer records (Figures 5c and 5d).

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