Effect of the Southern Oscillation on the Variability of the Surface Temperature and Pressure in the Atlantic-European Region in Spring

Effect of the Southern Oscillation on the Variability of the Surface Temperature and Pressure in... On the basis of reanalysis of the data of the European Center of Medium-Range Weather Forecasts for 1979–1993, we study the relationship between the interannual and intramonthly variability of the fields of surface temperature and pressure in the Atlantic-European region and the Southern Oscillation (SO). In spring, the SO is responsible for ∼ 25% of the variance of surface temperature for periods of 8–30 days in the east part of Europe and in the Mediterranean region. In this case, the zonal circulation over the North Atlantic is intensified, which manifests itself in the deepening of the Iceland Low and Azores High. For low indices of SO, 8–15-day temperature fluctuations are predominant over the Black-Sea region. At the same time, 3–4-week fluctuations are predominant over West Mediterranean. An important role in the formation of abnormal temperature conditions in the analyzed region is payed by the events of La Niño. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Oceanography Springer Journals

Effect of the Southern Oscillation on the Variability of the Surface Temperature and Pressure in the Atlantic-European Region in Spring

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by Plenum Publishing Corporation
Subject
Earth Sciences; Oceanography; Remote Sensing/Photogrammetry; Atmospheric Sciences; Climate Change; Environmental Physics
ISSN
0928-5105
eISSN
0928-5105
D.O.I.
10.1023/A:1025047019511
Publisher site
See Article on Publisher Site

Abstract

On the basis of reanalysis of the data of the European Center of Medium-Range Weather Forecasts for 1979–1993, we study the relationship between the interannual and intramonthly variability of the fields of surface temperature and pressure in the Atlantic-European region and the Southern Oscillation (SO). In spring, the SO is responsible for ∼ 25% of the variance of surface temperature for periods of 8–30 days in the east part of Europe and in the Mediterranean region. In this case, the zonal circulation over the North Atlantic is intensified, which manifests itself in the deepening of the Iceland Low and Azores High. For low indices of SO, 8–15-day temperature fluctuations are predominant over the Black-Sea region. At the same time, 3–4-week fluctuations are predominant over West Mediterranean. An important role in the formation of abnormal temperature conditions in the analyzed region is payed by the events of La Niño.

Journal

Physical OceanographySpringer Journals

Published: Oct 20, 2004

References

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