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By Harunur Rashid, Leonid Polyak, Ellen Mosley-Thompson

ISBN-10: 087590484X

ISBN-13: 9780875904849

ISBN-10: 1118670043

ISBN-13: 9781118670040

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

Abrupt weather switch: Mechanisms, styles, and Impacts
brings jointly a various workforce of paleoproxy files reminiscent of ice cores, marine sediments, terrestrial (lakes and speleothems) information, and paired ocean-atmosphere weather versions to rfile fresh advances in realizing 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 quest for those abrupt, millennial-scale occasions around the globe has intensified, and for that reason, the variety of paleoclimatic files chronicling such occasions has elevated. the quantity highlights comprise discussions of documents of prior weather variability, meridional overturning move, land-ocean-atmosphere interactions, feedbacks within the weather approach, and international temperature anomalies. Abrupt weather Change could be of curiosity to scholars, researchers, lecturers, and coverage makers who're keen on abrupt weather swap and its capability influence on society.

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2010] supporting relative harsher climate conditions. As described for the previous glacial periods, conditions on the southwestern Iberian margin were more stable (Figure 7). The G. truncatulinoides δ18O record shows hardly any change, and the respective δ13C values indicate a wellventilated ENACWst (Figure 7d), in contrast to the subtropical surface waters reflected in the G. ruber white δ13C values. 1. , the water depth of site MD01-2444. The planktic foraminifer records all show warming (interstadial) and cooling (stadial) cycles that were contemporary in the water depths from 0 to 400 m with similar amplitudes in the G.

1029/2004PA001051. Skinner, L. , and H. 1029/2006PA001338. Skinner, L. , and N. J. 1029/ 2003PA000983. Skinner, L. , N. J. Shackleton, and H. Elderfield (2003), Millennial-scale variability of deep-water temperature and δ18Odw indicating deep-water source variations in the northeast Atlantic, 0–34 cal. ka BP, Geochem. Geophys. 1029/2003GC000585. Sousa, F. , and A. Bricaud (1992), Satellite-derived phytoplankton pigment structures in the Portuguese upwelling area, J. Geophys. , 97(C7), 11,343 – 11,356.

Pachyderma (s), and thus subpolar waters, were continuously present. Along with the rise in percent N. pachyderma (s), just prior to Greenland interstadial 18, seasonality (Δδ18O, Plate 1d) increased, but the highest seasonal contrast was associated with Heinrich stadial 6. Then, seasonality was in the same range as the values observed during the MIS 2 Heinrich stadials. Greenland interstadial 18 was associated with warming (lower δ18O values) in the surface to subsurface waters shown in particular by G.

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

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