Volume 7, Issue 3 (11-2020)
Journal of Spatial Analysis Environmental Hazards 2020, 7(3): 163-178 |
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omidvar K, mahmodabadi M, shams P, amiri esfandegheh M. Analysis of the Effects of anticyclone Movements on Flood Rainfall in Kerman Province. Journal of Spatial Analysis Environmental Hazards 2020; 7 (3) :163-178
URL: http://jsaeh.khu.ac.ir/article-1-3056-en.html
URL: http://jsaeh.khu.ac.ir/article-1-3056-en.html
1- Professor of Climatology, Yazd University, Yazd, Iran. , komidvar@yazd.ac.ir
2- phd student of Climatology, Yazd University, Yazd, Iran.
3- Ma of Climatology, Yazd University, Yazd, Iran.
2- phd student of Climatology, Yazd University, Yazd, Iran.
3- Ma of Climatology, Yazd University, Yazd, Iran.
Abstract: (4559 Views)
Due to the fact that the mechanism of anticyclone Movements is the desire to descend and suppress the air, so the effect of these movements and their location in the occurrence of flood falls is significant. For this purpose, in this paper, flood precipitation in the last two decades of Kerman province was studied and two of the most severe ones were selected. Due to the emphasis of this paper on the province of Kerman, the heavy rainfall was calculated for each station in the province using the Gumble Type 1 Distribution Statistical Index. Then, the thermodynamic properties of the precipitation were analyzed using radial data and Kerman station's sketch diagram. For analysis of these floods, daily rainfall data of the synoptic station 10 of the province and sea surface pressure maps and850,500,300 hectopascal levels were used. Then, the arrangement of the simulated pattern and its trend in the air maps, were studied during a selective period daily3. The results of the study indicate that the main cause of flood precipitation in the study area is to strengthen the eastern Mediterranean landfall in the middle troposphere, so when moved downward to the bottom of the polar system, it is transmitted to lower latitudes As a result, Western systems, with their movements on the southern warm waters, have a high moisture content and cause heavy rainfall in the region. Also noteworthy in the occurrence of precipitation is the presence of intense swinging movements on the southern waters, especially the Oman Sea, which causes more humidity to be injected into the interior areas of the country and provides the conditions necessary for the occurrence of such rainfall.
Type of Study: Research |
Subject:
Special
Received: 2019/09/2 | Accepted: 2020/07/16 | Published: 2021/02/23
Received: 2019/09/2 | Accepted: 2020/07/16 | Published: 2021/02/23
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