The impact of climate change on dorudzan dam inflow and reservoir volume, Northern Fars province

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NADERI M.

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Journal: GEOSCIENCES Year:2020 | Volume:29 | Issue:115 Page(s): 259-268

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Title

The impact of climate change on dorudzan dam inflow and reservoir volume, Northern Fars province

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NADERI M. | Issue Writer Certificate

Keywords

Climate changeQ2

Dorudzan DamQ1

Kor RiverQ1

Water resourcesQ1

Abstract

The Dorudzan Dam inflow is assessed using SWAT under Climate change. The daily simulated precipitation and temperature data by 22 general circulation models under RCP2. 6, RCP4. 5 and RCP8. 5 are downscaled at five climatic stations using LARS-WG statistical model and transient change factors approach. The precipitation over the watershed will decrease from 751 mm during the observation period to 653, 624 and 630 mm under the RCP2. 6, RCP4. 5 and RCP8. 5, respectively (13%, 17% and 16. 1%). The mean annual evapotranspiration will increase by 13. 6%-16% due to increased mean annual temperature by l. 7-3. 3'C under three RCPs. The mean annual inflow will decrease from 28. 6 m3/s to 14. 9, 14. 2 and 14. 3 m3/s under the RCP2. 6, RCP4. 5 and RCP8. 5, respectively (47. 9%, 50% and 49. 9%). The mean monthly reservoir volume will decrease from 490 MCM to 350, 232 and 247 MCM under the RCP2. 6, RCP4. 5 and RCP8. 5, respectively while the dam outflow will decrease from 60 MCM/month to 45. 3, 34 and 35. 9 MCM/month, respectively due to the precipitation reduction by 127 mm (17%) and evapotranspiration increase by 65 mm (16%) over the watershed. The reduction ofreservoir volume will intensify the downstream water shortage and crisis in the future.

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APA: Copy

NADERI, M.. (2020). The impact of climate change on dorudzan dam inflow and reservoir volume, Northern Fars province. GEOSCIENCES, 29(115 ), 259-268. SID. https://sid.ir/paper/375621/en

Vancouver: Copy

NADERI M.. The impact of climate change on dorudzan dam inflow and reservoir volume, Northern Fars province. GEOSCIENCES[Internet]. 2020;29(115 ):259-268. Available from: https://sid.ir/paper/375621/en

IEEE: Copy

M. NADERI, “The impact of climate change on dorudzan dam inflow and reservoir volume, Northern Fars province,” GEOSCIENCES, vol. 29, no. 115 , pp. 259–268, 2020, [Online]. Available: https://sid.ir/paper/375621/en

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