A STUDY OF THE ENSO EFFECT ON DROUGHTS AND WETYEARS (CASE STUDY: SYNOPTIC STATION IN BOOSHEHR)

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MOHAMMADI HOSSIEN; AFSHARMANESH HAMIDEH; KHALILI MAEDEH

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Journal: GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS Year:2010 | Volume:2 | Issue:4 Page(s): 69-82

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Title

A STUDY OF THE ENSO EFFECT ON DROUGHTS AND WETYEARS (CASE STUDY: SYNOPTIC STATION IN BOOSHEHR)

Author(s)

MOHAMMADI HOSSIEN | AFSHARMANESH HAMIDEH | KHALILI MAEDEH | Issue Writer Certificate

Keywords

ENSOQ2

MEIQ3

SPIQ2

DROUGHTSQ3

WETYEARSQ3

SYNOPTIC STATION IN BOOSHEHRQ3

Abstract

Drought and WETYEARS are considered fluctuations of trainfull attributed to dry and semi-dry climates, which are influenced by oceanic-atmospheric phenomenon. Among the factors influencing a climate on a global scale, ENSO causes major changes in rainfull distribution over train and space. In Northern coast of the Persian Gulf, there is a diversity concerning the time and space distribution of rainfull. The present study has tried to study the ENSO effect on thrainfull pattern in SYNOPTIC STATION IN BOOSHEHR from 1965 to 2005 by using multivariate ENSO index (MEI). Trough Persian correlation method, became apparent that only in October and November, there is a meaningful relation between monthly amount of MEI and rainfull. In a year to year study, it was recognized that in 16 out of 40 years of the study period, there is a meaningful relation between rainful and MEI. The number of these years is equal to the number of WETYEARS in booshehr station scince the number 16 driven from Persian correlation method is in harmony with the number of WETYEARS driven from standard precipitation index (SPI). It can be concluded that the DROUGHTS and WETYEARS in SYNOPTIC STATION IN BOOSHEHR is influenced by ENSO oceanic-atmospheric phenomenon in a meaningful way. Also, based on the linear model Y= b0 + b1 x + b2 x2 + … it was with the coefficient of 7.42 between MEI values and rainful in booshehr station, and for estimating DROUGHTS and WETYEARS the linear model Y=-0.12.6+ -0.2.a* x+ -0.42.7*x^2+ 6*x^3+ -17.4*x^4 Can be estimated.

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APA: Copy

MOHAMMADI, HOSSIEN, AFSHARMANESH, HAMIDEH, & KHALILI, MAEDEH. (2010). A STUDY OF THE ENSO EFFECT ON DROUGHTS AND WETYEARS (CASE STUDY: SYNOPTIC STATION IN BOOSHEHR). GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS, 2(4), 69-82. SID. https://sid.ir/paper/175734/en

Vancouver: Copy

MOHAMMADI HOSSIEN, AFSHARMANESH HAMIDEH, KHALILI MAEDEH. A STUDY OF THE ENSO EFFECT ON DROUGHTS AND WETYEARS (CASE STUDY: SYNOPTIC STATION IN BOOSHEHR). GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS[Internet]. 2010;2(4):69-82. Available from: https://sid.ir/paper/175734/en

IEEE: Copy

HOSSIEN MOHAMMADI, HAMIDEH AFSHARMANESH, and MAEDEH KHALILI, “A STUDY OF THE ENSO EFFECT ON DROUGHTS AND WETYEARS (CASE STUDY: SYNOPTIC STATION IN BOOSHEHR),” GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS, vol. 2, no. 4, pp. 69–82, 2010, [Online]. Available: https://sid.ir/paper/175734/en

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