ANALYZING OF THUNDERSTORM OCCURRENCE TRENDS IN THE WESTERN PART OF IRAN APPLYING NON-PARAMETRIC STATISTICAL TESTS

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RASULI ALIAKBAR; JAVAN KHADIJEH

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Journal: GEOGRAPHIC SPACE Year:2012 | Volume:12 | Issue:38 Page(s): 111-126

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Title

ANALYZING OF THUNDERSTORM OCCURRENCE TRENDS IN THE WESTERN PART OF IRAN APPLYING NON-PARAMETRIC STATISTICAL TESTS

Author(s)

RASULI ALIAKBAR | JAVAN KHADIJEH | Issue Writer Certificate

Keywords

THUNDERSTORM OCCURRENCEQ2

TREND ANALYSISQ2

WEST OF IRANQ2

MANN- KENDALLQ2

SEN’S ESTIMATOR TESTSQ2

Abstract

In the current study, THUNDERSTORM OCCURRENCE data taking from 17 synoptic stations with the longest periods (from 1956 to 2005) have been analyzed to identify the associated spatial and temporal changes in the western part of Iran. First, to provide an initial statement of thunderstorm conditions in the study area, average days with thunderstorm have been mapped using ArcGIS software. Then, thunderstorm trends were established using statistical methods, by applying two of well-known non-parametric Mann-Kendall and Sen's Estimator methods. Both estimators demonstrate excellent performance in the modeling of THUNDERSTORM OCCURRENCE over time, regarding the discrete climatic data. Some spatial distributions of thundery days with significant trend were mapped in a ArcGIS setting on the subject of seasonal and annual time series. Final models determine that the number of days with thunderstorm is not homogeneous in some parts of the study area, since the thundery days decrease from the north to the south, showing an increasing trend in seasonal and annual scales consistently in the yearly extent.

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APA: Copy

RASULI, ALIAKBAR, & JAVAN, KHADIJEH. (2012). ANALYZING OF THUNDERSTORM OCCURRENCE TRENDS IN THE WESTERN PART OF IRAN APPLYING NON-PARAMETRIC STATISTICAL TESTS. GEOGRAPHIC SPACE, 12(38), 111-126. SID. https://sid.ir/paper/91541/en

Vancouver: Copy

RASULI ALIAKBAR, JAVAN KHADIJEH. ANALYZING OF THUNDERSTORM OCCURRENCE TRENDS IN THE WESTERN PART OF IRAN APPLYING NON-PARAMETRIC STATISTICAL TESTS. GEOGRAPHIC SPACE[Internet]. 2012;12(38):111-126. Available from: https://sid.ir/paper/91541/en

IEEE: Copy

ALIAKBAR RASULI, and KHADIJEH JAVAN, “ANALYZING OF THUNDERSTORM OCCURRENCE TRENDS IN THE WESTERN PART OF IRAN APPLYING NON-PARAMETRIC STATISTICAL TESTS,” GEOGRAPHIC SPACE, vol. 12, no. 38, pp. 111–126, 2012, [Online]. Available: https://sid.ir/paper/91541/en

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