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Open AccessArticle

North Atlantic and Indian Ocean links with Iraq Climate

1
Faculty of Physics, University of Bucharest, P.O. Box, MG-11, 077125 Bucharest-Magurele, Romania
2
Department of Physics, Faculty of Sciences, University of Diyala, 32 Diyala, Iraq
*
Author to whom correspondence should be addressed.
Atmosphere 2017, 8(12), 235; https://doi.org/10.3390/atmos8120235
Received: 30 September 2017 / Revised: 14 November 2017 / Accepted: 24 November 2017 / Published: 26 November 2017
(This article belongs to the Section Climatology and Meteorology)
We investigate the connections of the North Atlantic and Indian Ocean sectors with Iraq winter/summer temperature and precipitation. Canonical Correlation Analyses (CCAs) are performed in order to identify potential links between Iraq climate and the atmospheric circulation over these two regions. Regression maps of 200 hPa and 500 hPa geopotential height and sea level pressure fields on the time series derived through CCAs are constructed in order to infer the physical mechanisms connecting the North Atlantic and Indian Ocean regions with Iraq climate. The winter temperature in this country is linked with the North Atlantic Scandinavian pattern, whereas the winter precipitation is associated with the North Atlantic Oscillation. In the free atmosphere, the connection with Iraq temperature is provided by Rossby waves, while the winter precipitation is linked to a more zonal structure. At surface, the air advection is a relevant mechanism through which North Atlantic modes appear to affect Iraq climate. View Full-Text
Keywords: Iraq climate; Canonical Correlation Analysis; sea level pressure; geopotential height; Scandinavian mode; North Atlantic Oscillation; Indian Ocean; regression analysis Iraq climate; Canonical Correlation Analysis; sea level pressure; geopotential height; Scandinavian mode; North Atlantic Oscillation; Indian Ocean; regression analysis
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Al-Khalidi, J.; Dima, M.; Vaideanu, P.; Stefan, S. North Atlantic and Indian Ocean links with Iraq Climate. Atmosphere 2017, 8, 235.

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