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Multitemporal climate variability over the Atlantic Ocean and Eurasia: linkages with Mediterranean and West African climate

  1. Shlomit Paz1,*,
  2. Yves M. Tourre2,
  3. Justin Brolley3

Article first published online: 19 MAY 2008

DOI: 10.1002/asl.181

Issue

Atmospheric Science Letters

Atmospheric Science Letters

Volume 9, Issue 4, pages 196–201, October/December 2008

Additional Information

How to Cite

Paz, S., Tourre, Y. M. and Brolley, J. (2008), Multitemporal climate variability over the Atlantic Ocean and Eurasia: linkages with Mediterranean and West African climate. Atmosph. Sci. Lett., 9: 196–201. doi: 10.1002/asl.181

Author Information

  1. 1

    Department of Geography and Environmental Studies, University of Haifa, Haifa, Israel

  2. 2

    MEDIAS-France, and LDEO of Columbia University, Palisades, New York, USA

  3. 3

    Eqecat, Inc., Oakland, CA, USA

*Department of Geography and Environmental Studies, University of Haifa, Mount Carmel, Haifa 31905, Israel.

Publication History

  1. Issue published online: 10 DEC 2008
  2. Article first published online: 19 MAY 2008
  3. Manuscript Revised: 14 MAR 2008
  4. Manuscript Accepted: 14 MAR 2008
  5. Manuscript Received: 15 JAN 2008

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Keywords:

  • Atlantic multidecadal oscillation (AMO);
  • polar vortex oscillation (PVO);
  • North Africa–West Asia (NAWA) index;
  • Mediterranean climate;
  • Sahelian rainfall

Abstract

More linkages between the Atlantic multidecadal oscillation (AMO, and thermohaline circulation), the Polar vortex oscillation (PVO, and vorticity intrusion), the North Africa–West Asia index (NAWA, and NA–WA poles) and Sahelian rainfall, are investigated. Significant positive correlations are found between winter/spring AMO and spring NA pole. Significant positive (negative) correlations are found between winter PVO and NAWA (WA pole). NAWA is shown being modulated by winter AMO to the west, and winter PVO over Eurasia to the east. Winter AMO and PVO can thus be used operationally by decision makers as early predictors of Mediterranean climate and Sahelian rainfall during summer. Copyright © 2008 Royal Meteorological Society

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