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:: Volume 9, Issue 2 (6-2019) ::
Disaster Prev. Manag. Know. 2019, 9(2): 135-145 Back to browse issues page
The study of agricultural flood return period in Can watershed
Mahsa Azizi Ms *
Master of Natural Disaster Management, Shahid Beheshti University, Tehran, Iran
Abstract:   (699 Views)

Background and objective: Natural disasters have always endangered human lives. Flood is one of the most important natural disasters that impose many damages every year in different parts of Iran. This paper tries to study flood and characteristics of Can watershed in Tehran province. The main purpose of this paper is to consider the challenges of flood management in agriculture and provide appropriate strategies in order to flood risk management in Can watershed.

Methods: In this paper, using the GIS software, the flood return period of 5, 10, 25 and 50 years considering the agricultural land use in the watershed in north of Tehran will be studied. The risk level of 1 to 5 percent with an unimportant damage level, 5 to 10 percent with a low damage level, 10 to 15 percent with a moderate damage level, 15 to 20 percent with a high damage level, 20 to 25 percent with a very high damage level, and 25 to 30 percent with a destroying damage level was defined for Can watershed.

Findings: The results show that increasing the return period from 5 to 10, 25 and 50 will increase the damage in the basin. The 5-year and 10-year floods are expected a very low damage level; the 25 years flood is considered moderate damage level as well. Considering the destroying damage level, by the average 2.066 percent of lands, a 50 years flood is a moderate to destroying damage level.   

Conclusion: Considering the flood risk areas in order to flood risk management and development of watershed management plans, especially in agricultural lands in Can basin is necessary due to increasing the flood risk in recent decades in Can basin in Tehran. 

Keywords: Return Period, Agricultural farms, Vulnerability, Crisis Management, Flood, Kan watershed.
Full-Text [PDF 1046 kb]   (126 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/10/16 | Accepted: 2018/11/11 | ePublished: 2019/06/3
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Azizi M. The study of agricultural flood return period in Can watershed. Disaster Prev. Manag. Know.. 2019; 9 (2) :135-145
URL: http://dpmk.ir/article-1-251-en.html

Volume 9, Issue 2 (6-2019) Back to browse issues page
فصلنامه علمی - ترویجی دانش پیشگیری و مدیریت بحران Disaster Prevention and Management Knowledge (quarterly)
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