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Pollen Transport to Southern Greenland: New Evidences of a Late Spring Long Distance Transport : Volume 2, Issue 4 (21/07/2005)

By Rousseau, D.-d.

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Book Id: WPLBN0003984339
Format Type: PDF Article :
File Size: Pages 19
Reproduction Date: 2015

Title: Pollen Transport to Southern Greenland: New Evidences of a Late Spring Long Distance Transport : Volume 2, Issue 4 (21/07/2005)  
Author: Rousseau, D.-d.
Volume: Vol. 2, Issue 4
Language: English
Subject: Science, Biogeosciences, Discussions
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2005
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Jolly, D., Duzer, D., Cambon, G., Schevin, P., Ferrier, J., Rousseau, D., & Poulsen, U. (2005). Pollen Transport to Southern Greenland: New Evidences of a Late Spring Long Distance Transport : Volume 2, Issue 4 (21/07/2005). Retrieved from http://www.ebooklibrary.org/


Description
Description: Institut des Sciences de l’Evolution, Université Montpellier II, case 61, place Eugène Bataillon, 34095 Montpellier cedex 5, France. New observations of long distance transport of pollen to southern Greenland are recorded during two consecutive weeks, 19 May until 1 June 2003. These new results indicate again Northeastern America as the source area of the transported pollen grains. Backward trajectories studies indicate that transport occurred twice during the first week, which corresponds to the interval of maximum pollen flux emitted in the atmosphere. This is indicated by the large percentage of exotic pollen grains identified, about 11% of the total counted including the local vegetation. Conversely, the transport observed during the second week occurred during a single day, at a time of reduced pollen emission into the atmosphere in the source area, and experienced severe wash out and thus is indicated by a lower percentage of exotic grains, 1% of the total identified ones. The trajectories modeled by the HYSPLIT application show different patterns to those previously identified in 2002. Although air volumes passing over southern Greenland at 3000 m carried out the main transport, additional transport occurred at a much lower altitude leading producing a more complicated pattern of modeling than previously considered.

Summary
Pollen transport to southern Greenland: new evidences of a late spring long distance transport

 

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