Analysis of the Relationship between Spatial and Temporal Droughts in Karoon 1 Dam Basin

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NIKBAKHT SHAHBAZI A.; Mohammadi Babadi K.; FATHIAN H.

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Journal: Journal of Water and Soil Science Year:2020 | Volume:24 | Issue:2 Page(s): 165-180

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Title

Analysis of the Relationship between Spatial and Temporal Droughts in Karoon 1 Dam Basin

Author(s)

NIKBAKHT SHAHBAZI A. | Mohammadi Babadi K. | FATHIAN H. | Issue Writer Certificate

Keywords

Karun 1 DamQ1

Agriculture DroughtQ2

Hydrological DroughtQ1

Meteorological DroughtQ1

Abstract

The purpose of this study was to investigate the relationship between time and spatial features of meteorological, hydrological and agricultural droughts in Karoon 1 Dam basin. Meteorological and statistical data were accordingly selected to evaluate the drought situation between 1993 and 2016. The results showed that Hydrological Droughts occurred in the Meteorological Drought and had a very high correlation with this year's Meteorological Drought. The most severe droughts occurred between 2006 and 2011. Studies also showed that every three years, the basin was accompanied by a Meteorological Drought and then a Hydrological Drought. The results also showed that the highest correlation was observed with the 12-month meteorological index, with a delay of 3 months, and the 6-month meteorological and hydrological index with a delay of 3 months and a three-month Hydrological Drought index with a delay of two months. Therefore, it could be concluded that Hydrological Droughts showed a delay of almost two to three months in the entire catchment area; since this period was 4 months or more, the correlation between these two indicators was eliminated and decreased. Also, due to drought zones, during the period from 1993 to 2009, most of the droughts were caused by rainfall reduction in the southwest of the province, and this was associated with a reduction in runoff in its hydrometric stations. Of course, in 2009-2012, the runoff status had been temporarily improved, and from 2012 to 2017, the drought situation had again returned spatially to the previous routine.

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APA: Copy

NIKBAKHT SHAHBAZI, A., Mohammadi Babadi, K., & FATHIAN, H.. (2020). Analysis of the Relationship between Spatial and Temporal Droughts in Karoon 1 Dam Basin. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 24(2 ), 165-180. SID. https://sid.ir/paper/368287/en

Vancouver: Copy

NIKBAKHT SHAHBAZI A., Mohammadi Babadi K., FATHIAN H.. Analysis of the Relationship between Spatial and Temporal Droughts in Karoon 1 Dam Basin. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2020;24(2 ):165-180. Available from: https://sid.ir/paper/368287/en

IEEE: Copy

A. NIKBAKHT SHAHBAZI, K. Mohammadi Babadi, and H. FATHIAN, “Analysis of the Relationship between Spatial and Temporal Droughts in Karoon 1 Dam Basin,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 24, no. 2 , pp. 165–180, 2020, [Online]. Available: https://sid.ir/paper/368287/en

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