TREND ANALYSIS OF EXTREME CLIMATE CHANGES INDEX’S IN PRECIPITATION AND TEMPERATURE IN BUSHEHR PROVINCE

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BORNA REZA; JAHAN AIGIN

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Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2015 | Volume:8 | Issue:28 Page(s): 43-63

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Information Journal Paper

Title

TREND ANALYSIS OF EXTREME CLIMATE CHANGES INDEX’S IN PRECIPITATION AND TEMPERATURE IN BUSHEHR PROVINCE

Author(s)

BORNA REZA | JAHAN AIGIN | Issue Writer Certificate

Keywords

TRENDQ2

TEMPERATUREQ2

PRECIPITATIONQ2

EXTREME CLIMATE INDEXESQ2

BUSHEHR PROVINCEQ2

Abstract

Climate variability and change behavior of extreme events is important. To review some events, some climate indices for the detection surface by the Working Group on Climate Change and the World Meteorological Organization and climatology Committee research program on climate variability and predictability are introduced. In this paper, the changes in TEMPERATURE and PRECIPITATION at the weather station 6 BUSHEHR PROVINCE during the period 1391-1371 using threshold values, and the nonparametric Mann-Kendall test for the presence of a linear TREND has been used. The results show, Bushehr is highly exposed to the mean TEMPERATURE, the frequency profile so reducing heating and cooling profiles. Cold nights and warm nights to other index increased thresholds of them have been impressive. Prolonged periods of increased summer heat in recent decades to a great show. DTR drop in the station area, tropical nights and warm nights increase in the length of the stations there. The research findings showed that: During the study period, a negative TREND for the series of one-day maximum PRECIPITATION (Rx1day), maximum 5-day PRECIPITATION (Rx5day) and the simple daily intensity (SDII) can be seen in the province. The R10 index in research stations with positive TRENDs. Check the index R20 and R25, shows that during the period studied, the research station has negative TRENDs in the linear gradient. CDD index of consecutive dry days with PRECIPITATION have also increased in recent years coordinated. CWD index showed a decrease in rainfall in the region in recent years, coordinated by the number of consecutive wet days (CWD) is greatly reduced. Indexes Series R95 p and R99 p represent the province at the station volatility and decline in the latter years of the study period. TRENDs in BUSHEHR PROVINCE PRCPTOT index shows that the average rainfall in this region is low, thus decreasing TREND is coupled with high volatility.

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APA: Copy

BORNA, REZA, & JAHAN, AIGIN. (2015). TREND ANALYSIS OF EXTREME CLIMATE CHANGES INDEX’S IN PRECIPITATION AND TEMPERATURE IN BUSHEHR PROVINCE. JOURNAL OF PHYSICAL GEOGRAPHY, 8(28), 43-63. SID. https://sid.ir/paper/185081/en

Vancouver: Copy

BORNA REZA, JAHAN AIGIN. TREND ANALYSIS OF EXTREME CLIMATE CHANGES INDEX’S IN PRECIPITATION AND TEMPERATURE IN BUSHEHR PROVINCE. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2015;8(28):43-63. Available from: https://sid.ir/paper/185081/en

IEEE: Copy

REZA BORNA, and AIGIN JAHAN, “TREND ANALYSIS OF EXTREME CLIMATE CHANGES INDEX’S IN PRECIPITATION AND TEMPERATURE IN BUSHEHR PROVINCE,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 8, no. 28, pp. 43–63, 2015, [Online]. Available: https://sid.ir/paper/185081/en

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