By Harunur Rashid, Leonid Polyak, Ellen Mosley-Thompson
Released by means of 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 documents comparable to ice cores, marine sediments, terrestrial (lakes and speleothems) records, and paired ocean-atmosphere weather types to rfile fresh advances in realizing the mechanisms of abrupt weather alterations. because the discovery of the Dansgaard-Oeschger occasions in Greenland ice cores and the following 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 this reason, the variety of paleoclimatic documents chronicling such occasions has elevated. the amount highlights comprise discussions of files of prior weather variability, meridional overturning stream, land-ocean-atmosphere interactions, feedbacks within the weather method, and international temperature anomalies. Abrupt weather Change could be of curiosity to scholars, researchers, teachers, and coverage makers who're enthusiastic about abrupt weather swap and its capability effect on society.
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Extra info for Abrupt Climate Change: Mechanisms, Patterns, and Impacts
Figure 5. Latitudinal gradients in surface and deep-water properties between the Porto seamount (core MD95-2040) and the Sines coast (MD95-2042 in gray, MD01-2444 in gray, and MD01-2443 in black) over the last 420 kyr. (a) The δ18O of G. , 2007]. , 2007]. (c) Foraminifer assemblage-based summer SST. (d) Percent N. , 2005; this study]. , 2007]. Numbers mark marine isotope stages (MIS) and terminations (T) II, III, and IV. H11 indicates Heinrich event 11. Gray bars highlight events discussed in the text.
Shackleton, and M. Canals (2000), Evidence for enhanced Mediterranean thermohaline circulation during rapid climatic coolings, Earth Planet. Sci. , 183, 417 – 429. , Y. Lancelot, E. Vincent, and M. A. Hall (1999), Paleoceanographic reconstructions from planktonic foraminifera off the Iberian margin: Temperature, salinity, and Heinrich events, Paleoceanography, 14, 384 – 396. -A. Flores, F. J. Sierro, M. A. Barcena, L. Loewemark, J. Schönfeld, and J. O. Grimalt (2004), Ocean surface water response to short-term climate changes revealed by coccolithophores from the Gulf of Cadiz (NE Atlantic) and Alboran Sea (W Mediterranean), Palaeogeogr.
Greenland interstadial 18 was associated with warming (lower δ18O values) in the surface to subsurface waters shown in particular by G. bulloides, N. pachyderma (r) and G. inﬂata (Plates 1a and 1b). The earlier Greenland interstadials 19 and 20 are poorly resolved, but the presence of G. ruber white and reduced seasonality indicates relative warm and stable conditions. This constancy also referred to the subsurface waters as indicated by the relative stable δ18O records of G. inﬂata and G. truncatulinoides (Plate 1b).
Abrupt Climate Change: Mechanisms, Patterns, and Impacts by Harunur Rashid, Leonid Polyak, Ellen Mosley-Thompson