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Research Paper | June 1, 2014

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Determining synoptic patterns in atmospheric middle level of effective daily precipitation in Zayanderood basin

Dr. Abbasali Arvin

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J. Bio. Env. Sci.4(6), 399-407, June 2014


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Changes and fluctuations of rainfall in Zayanderod catchment can severely affect the survival and development in the central Iran. In this study, we have analyzed the synoptic patterns of precipitation with more than ten millimeters as effective precipitation for the preparation of water supply in central Iran. For this purpose, a database of daily rainfall over ten mm was formed in the basin from 1987 to 2011and the days were selected in which that at least two stations reported the rainfall of more than ten millimeters. Then geopotential height maps of 500htp level of 211 rainy days with more than ten millimeters were derived from a database search. Factor analysis and hierarchical cluster analysis were used for the classification of geopotential height maps. Based on the factor analysis undetected output, 211 days of maps were summarized in 8 factors. Then days were grouped based on the factor loadings using hierarchical clustering. Thus the division of maps into four groups had the highest correlation within the group and variance had the highest between-group. The results also showed that the deep trough pattern of the Northwest to Southeast and North East to South deep trough pattern were, respectively, the main patterns established over ten millimeters of rainfall in the basin.


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Determining synoptic patterns in atmospheric middle level of effective daily precipitation in Zayanderood basin

Alijani B. 2006. Synoptic climatology, SAMT, Tehran, Second Edition.

Artur gevorgyan, 2013. Main types of synoptic processes and circulation types generating heavy precipitation event in Armenia, Meteorol Atmos Phys,Voll. 122, pp.91-102.

Asakereh H, Khoshraftar R, Sotodeh F. 2012. Analysis of heavy rain the day of September in connection with the Synoptic patterns in Gilan Province (2005-1976), Research in Geography, No. 80, 51 -66.

Atai H, 2008. Identification and analysis of atmospheric circulation patterns in the middle level of rainy year, Geographical Research, No. 90.

Baqydh M, Entezari A. Alimardani F. 2012. Synoptic analysis of precipitation in GorganRoud and Atrak basin (rainfall inclusive 39), Geography and Development, No. 26, 113-124.

Pissimanis  DK,  Notaridou  VA,  Spyrou  CK. 2006. On the main characteristics of synoptic weather conditions associated with thunderstorm activity during the months of July and August in the city of Thessaloniki (Northern Greece), Theor. Appl. Climatol. 83, 153–167 .

Egidijus Rimkus, Justas Kaˇzys, Ar unas Bukantis, Aleksandras Krotovas, 2011. Temporal variation of extreme precipitation events in Lithuania, OCEANOLOGIA, 53 (1-TI), pp. 259–277.

Fredrick K. Lutgens, Edward J. Tarbuck, 2004. The Atmosphere, An Introduction to Meteorology, Pearson Education. Ninth Edition

Howard  B.  Bluestein,  1993.  Synoptic-Dynamic Meteorology  Midlatitudes,  Oxford  University  Press Vol. 11.

Khosravi M, Nazari M. 2012. Synoptic study of prevailing weather types in Sistan region (station Zabul). Research in Geography, No. 81, 39-62.

Khoshhal J, Khosravi M, Nazari. 2009. Identify sources and pathways of rain and heavy moisture Bushehr. Geography and Development, No. 16, 7-28.

Klaus P. Hoinka, Cornelia Schwierz, Olivia Martius. 2006. Synoptic-scale weather patterns during Alpine heavy rain events. Q. J. R. Meteorol. Soc. 132, pp. 2853–2860

Lashkari H, Ghaemi H, Hodjati Z. Amini M. 2012. Synoptic analysis of heavy rains in the province, Research Geography. No. 4, 99-116.

Laura Bettolli M, Olga Penalba C, Walter Vargas M. 2010. Synoptic weather types in the south of South America and their relationship to daily rainfall in the core crop-producing region in Argentina, Australian Meteorological and Oceanographic Journal 60 pp.37-48

Massahbovani A, Morid S. 2005. Effects of climate change on river flow. Science and Technology of Agriculture and Natural Resources, No. 4, 17-27.

Masoudian SA. 2006, Synoptic climatology and its application in environmental studies. authored by Brent Yarnal, Isfahan University.

Mohammad B, Masoudian A. 2010. Synoptic analysis of heavy rainfall (Case Study November 1994). Geography and Development, No. 19, 47-70.

Mnsurfar K. 2009. Advanced statistical methods with computer programs, Tehran University, third edition

Rakhecha PR, Pisharoty PR. 1996. Heavy rainfall and monsoon: point and spatial distribution, Current Science, Vol. 71, No. 30.