ANNUAL AND SEASONAL PRECIPITATION TREND ANALYSIS OF SOME SELECTIVE METEOROLOGICAL STATIONS IN CENTRAL REGION OF IRAN USING NON-POARAMETRIC METHODS

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HAJAM S.; KHOUSH KHOU Y.; SHAMS ALDIN VANDI R.

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Journal: GEOGRAPHICAL RESEARCH QUARTERLY Year:2008 | Volume:40 | Issue:64 Page(s): 157-168

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Title

ANNUAL AND SEASONAL PRECIPITATION TREND ANALYSIS OF SOME SELECTIVE METEOROLOGICAL STATIONS IN CENTRAL REGION OF IRAN USING NON-POARAMETRIC METHODS

Author(s)

HAJAM S. | KHOUSH KHOU Y. | SHAMS ALDIN VANDI R. | Issue Writer Certificate

Keywords

TREND ANALYSISQ2

PRECIPITATIONQ2

NON-PARAMETRIC METHODSQ2

MANN-KENDALLQ2

SEN'S ESTIMATOR SLOPEQ3

Abstract

The aim of this paper is to investigate annual and seasonal PRECIPITATION trends of some selective meteorological stations of central region in Iran using NON-PARAMETRIC METHODS. Two NON-PARAMETRIC METHODS including MANN-KENDALL and SEN'S ESTIMATOR SLOPE methods were used here to analyze the seasonal and annual trends of PRECIPITATION data. Some 48 meteorological stations in central region of Iran which in the period of (1971-2000) had full records were selected and two mentioned tests were applied and results were compared. The results showed that the application of these two methods is almost similar, although the SEN'S ESTIMATOR SLOPE method showed better performance where the number of zero in the time series of data was considerable. There is a significant negative trend in both tests in some of the time series, but no significant positive trend for both tests was confirmed. Since the number of series with significant trend in comparison to series without any trend was small, therefore a general trend can not be attributed to the region.

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APA: Copy

HAJAM, S., KHOUSH KHOU, Y., & SHAMS ALDIN VANDI, R.. (2008). ANNUAL AND SEASONAL PRECIPITATION TREND ANALYSIS OF SOME SELECTIVE METEOROLOGICAL STATIONS IN CENTRAL REGION OF IRAN USING NON-POARAMETRIC METHODS. GEOGRAPHICAL RESEARCH QUARTERLY, 40(64), 157-168. SID. https://sid.ir/paper/5428/en

Vancouver: Copy

HAJAM S., KHOUSH KHOU Y., SHAMS ALDIN VANDI R.. ANNUAL AND SEASONAL PRECIPITATION TREND ANALYSIS OF SOME SELECTIVE METEOROLOGICAL STATIONS IN CENTRAL REGION OF IRAN USING NON-POARAMETRIC METHODS. GEOGRAPHICAL RESEARCH QUARTERLY[Internet]. 2008;40(64):157-168. Available from: https://sid.ir/paper/5428/en

IEEE: Copy

S. HAJAM, Y. KHOUSH KHOU, and R. SHAMS ALDIN VANDI, “ANNUAL AND SEASONAL PRECIPITATION TREND ANALYSIS OF SOME SELECTIVE METEOROLOGICAL STATIONS IN CENTRAL REGION OF IRAN USING NON-POARAMETRIC METHODS,” GEOGRAPHICAL RESEARCH QUARTERLY, vol. 40, no. 64, pp. 157–168, 2008, [Online]. Available: https://sid.ir/paper/5428/en

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