Volume 22, Issue 3 (Fall 2018)                   JWSS 2018, 22(3): 395-409 | Back to browse issues page

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Shahbaee kotenaee A, Foroumadi M, Ahmadi O. Comparison and Analysis of Minimum, Maximum Temperature and Precipitation Cycles in Mazandaran Province (A Case Study: Ramsar and Babolsar Synoptic Stations). JWSS. 2018; 22 (3) :395-409
URL: http://jstnar.iut.ac.ir/article-1-3530-en.html
1. Department of Geography, Faculty of Humanities, University of Zanjan, Zanjan, Iran. , shahbai2008@yahoo.com
Abstract:   (4587 Views)
One of the major issues in the contemporary world is climate change. The behavior and characteristics of parameters affecting climate change can cause them to be seen and hidden. As one of the effective ways to detect overt and covert behaviors for periodic climatic data series, Spectral analysis can be used. It is the analysis of each of the wavelengths series, making this behavior clear. Accordingly, the present study was an attempt to use the method of spectral analysis, data cycles in the minimum temperature, maximum temperature and precipitation in Ramsar station (located in the western regions of Mazandaran province) an nd Babolsar (located in the central parts of this province) in a period from1961 to 2014. For this purpose, temperature and precipitation data were obtained from these stations; MATLAB software environment and the environment for the software were logged for each of the variable in the stations. The results revealed that the minimum temperature at both stations had significant cycles, with the return period being 2 to 5 years; Remote Link could be fit into the cycle parameters such as NAO, AO and ENSO. Analysis of the period gram showed cycles 8 and 5/13-year-old and 5-year-old period in Ramsar and Babolsar. During the rainy cycles, the difference between the two stations and the difference in the geographical position affected systems, and rain accounted for the difference in speed dual-zone climate indicator for Remote Link.
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Type of Study: Research | Subject: Ggeneral
Received: 2017/06/19 | Accepted: 2017/12/4 | Published: 2018/11/15

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