Paper Information

Journal:   GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS   SUMMER 2010 , Volume 2 , Number 4; Page(s) 99 To 114.
 
Paper: 

ANALYSIS AND FORECASTING SOME CLIMATIC ELEMENTS OF GORGAN

 
 
Author(s):  BAY NASER, DAVODI MAHMOD
 
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Abstract: 

In this study, we have analyzed the climate of Gorgan by using climatic methods and then according to the trends of climatic elements during a 17-year period, the future climate of Gorgan has been studied. Climatic elements have been predicted up to year 2015. To the study changes and the types of trends, lineal Regression was used during a 50 year statistical period (1956-2005). We used the software SPSS and EXCEL for statistical analysis. We also used WRPLOT View software for studying the wind speed. Temperature, precipitation, relativehumidity, frost, wind, Z-standard temperature and precipitation, and climate classification are the parameters that are studied in this paper. The results of analyzing the statistics are as followings: Gorgans temperature is almost steady and has little changes. Precipitation has a meaningfull decreasing trend in all seasons. Relative humidity has a meaning full increasing trend. Frost dose not have a ditinct trend. Western and south western winds are predominatnt winds of Gorgan and the wind speed is usually between11 to 17 knots. By analyzing Z-standard for temperature and precipitation, it became clear that Gorgan climate has changed in 1972. Also Gorgan climate is studied based on Koppen method, Mediterranean weather and Semi-Humid moderate Emberger method.

 
Keyword(s): CLIMATE CLASSIFICATION, TRENDS FORECAST, CLIMATIC ELEMENT, GORGAN CLIMATE
 
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