INVESTIGATING THE FREEZING TREND VARIATION IN GUILAN FOCUSING ON THE MINIMUM TEMPERATURE

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REZAEI PARVIZ; ABED HOSSIEN

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Journal: Journal of Geography and Environmental Studies Year:2010 | Volume:1 | Issue:4 Page(s): 39-48

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Information Journal Paper

Title

INVESTIGATING THE FREEZING TREND VARIATION IN GUILAN FOCUSING ON THE MINIMUM TEMPERATURE

Author(s)

REZAEI PARVIZ | ABED HOSSIEN | Issue Writer Certificate

Keywords

MINIMUM TEMPERATUREQ2

FALL FREEZINGQ3

SPRING FREEZINGQ3

METEOROLOGICAL STATIONQ3

RASHT SYNOPTICQ3

Abstract

Freezing is one of the weather phenomena which has a variety of effects on daily and developmental activities. In this research, the changes occurred in the freezing period in the synoptic station of Rasht during the last fifty years (1960-2009) have been studied. The daily statistics along with the date of occurrence were obtained by the Excel software. Data analysis was done by statistical methods. The obtained results indicate that the annual absolute MINIMUM TEMPERATURE (AMT) data shows greater fluctuations compared to other temperature variables. The analysis of Rasht AMT data based on statistical distribution seems to be regressed appropriately with Gamble statistical distribution. In addition, the beginning of FALL FREEZING and the end of SPRING FREEZING follow the normal statistical distribution function. The obtained results show that the freezing period in the station under study has had a decreasing trend and has decreased from 100 days to less than 80 days. The annual absolute MINIMUM TEMPERATURE increased from -7 to -40oc and the freezing days fluctuated from 40 to less than 20 days. In conclusion, the decrease in the freezing period along with the rise in MINIMUM TEMPERATURE and decrease of the number of freezing days represent the change in the MINIMUM TEMPERATURE of Rasht in the past fifty years.

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References

INVESTIGATION ON SPATIAL AND TIME DISTRIBUTION OF FROST IN IRAN AND ITS ROLE IN ROAD TRANSPORTATION

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APA: Copy

REZAEI, PARVIZ, & ABED, HOSSIEN. (2010). INVESTIGATING THE FREEZING TREND VARIATION IN GUILAN FOCUSING ON THE MINIMUM TEMPERATURE. GEOGRAPHY AND ENVIRONMENTAL STUDIES, 1(4), 39-48. SID. https://sid.ir/paper/186422/en

Vancouver: Copy

REZAEI PARVIZ, ABED HOSSIEN. INVESTIGATING THE FREEZING TREND VARIATION IN GUILAN FOCUSING ON THE MINIMUM TEMPERATURE. GEOGRAPHY AND ENVIRONMENTAL STUDIES[Internet]. 2010;1(4):39-48. Available from: https://sid.ir/paper/186422/en

IEEE: Copy

PARVIZ REZAEI, and HOSSIEN ABED, “INVESTIGATING THE FREEZING TREND VARIATION IN GUILAN FOCUSING ON THE MINIMUM TEMPERATURE,” GEOGRAPHY AND ENVIRONMENTAL STUDIES, vol. 1, no. 4, pp. 39–48, 2010, [Online]. Available: https://sid.ir/paper/186422/en

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