Dawson, A. G., Hickey, K., Mayewski, P. and Nesje, A. (2007). Greenland (GISP2) ice core and historical indicators of complex North Atlantic climate changes during the fourteenth century. Holocene 17 (4). Vol 17(4), pp. 427-434.
 Title The title of the publication or report |
Greenland (GISP2) ice core and historical indicators of complex North Atlantic climate changes during the fourteenth century | |||||||
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Issue The name of the volume or issue |
Holocene 17 (4) | |||||||
Series The series the publication or report is included in |
The Holocene | |||||||
Volume Volume number and part |
17 (4) | |||||||
Page Start/End The start and end page numbers. |
427 - 434 | |||||||
Biblio Note This is a Bibliographic record only. |
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Journal | |||||||
Abstract The abstract describing the content of the publication or report |
The paper uses Greenland GISP2 ice core data together with historical documentary information to investigate the nature of climate changes that took place between AD 1270 and 1450 across the North Atlantic region. Detailed Deuterium and deuterium excess time series resolved to c. eight to ten samples per year are used to reconstruct relative changes in Greenland air temperature and past changes in sea surface temperature across the western North Atlantic. The data show that sea surface temperatures during the late-thirteenth century and the majority of the fourteenth century were characterized by relatively high-amplitude warming and cooling `events'. These changes preceded a marked reduction in the amplitude of the sea surface temperature changes c. thirty to forty years before the well-known change in Northern Hemisphere tropospheric circulation characterized by a marked increase in regional storminess that started between c. AD 1400 and 1420. The time interval between AD 1270 and 1450 also appears over Greenland to have featured several short-lived phases of marked air temperature lowering that were rarely ever equalled during succeeding centuries. The authors believe that the climate changes described are of considerable importance in understanding climate dynamics of the North Atlantic region since they took place at a time when the North Atlantic Oscillation (NAO) may have been weak. The results also show that the marked change in atmospheric circulation coincident with a significant increase in North Atlantic storminess at c. AD 1400--1420, possibly the biggest such change in the Holocene, took place after the strong perturbations in North Atlantic sea surface temperature (both warming and cooling) described, as well as after several episodes of air temperature lowering over Greenland. | |||||||
Year of Publication The year the book, article or report was published |
2007 | |||||||
Locations Any locations covered by the publication or report. This is not the place the book or report was published. |
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Source Where the record has come from or which dataset it was orginally included in. |
BIAB
(The British & Irish Archaeological Bibliography (BIAB))
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Relations Other resources which are relevant to this publication or report |
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Created Date The date the record of the pubication was first entered |
20 Aug 2008 |
