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Spatial variability of precipitation regimes over Turkey

Saris, F. and Hannah, D. M. and Eastwood, W. J. (2010) Spatial variability of precipitation regimes over Turkey. Hydrological Sciences Journal, 55 (2). pp. 234-249. ISSN 0262-6667

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URL of Published Version: http://dx.doi.org/10.1080/02626660903546142

Identification Number/DOI: 10.1080/02626660903546142

Turkish annual precipitation regimes are analysed to provide large-scale perspective and redefine precipitation regions. Monthly total precipitation data are employed for 107 stations (1963–2002). Precipitation regime shape (seasonality) and magnitude (size) are classified using a novel multivariate methodology. Six shape and five magnitude classes are identified, which exhibit clear spatial structure. A composite (shape and magnitude) regime classification reveals dominant controls on spatial variability of precipitation. Intra-annual timing and magnitude of precipitation is highly variable due to seasonal shifts in Polar and Subtropical zones and physiographic factors. Nonetheless, the classification methodology is shown to be a powerful tool that identifies physically-interpretable precipitation regions: (1) coastal regimes for Marmara, coastal Aegean, Mediterranean and Black Sea; (2) transitional regimes in continental Aegean and Southeast Anatolia; and (3) inland regimes across central and Eastern Anatolia. This research has practical implications for understanding water resources, which are under ever growing pressure in Turkey.

Type of Work:Article
Date:March 2010 (Publication)
School/Faculty:Colleges (2008 onwards) > College of Life & Environmental Sciences
Department:School of Geography, Earth and Environmental Sciences
Keywords:precipitation climatology; rainfall; regimes; regionalization; classification; Turkey
Subjects:GB Physical geography
GE Environmental Sciences
Institution:University of Birmingham
Copyright Holders:Taylor & Francis
ID Code:529
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