STUDY ON CLIMATE CHANGE EFFECT ON NET IRRIGATION REQUIREMENT AND YIELD FOR RICE CROP (CASE STUDY: TAJAN PLAIN)

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SHEIDAEIAN M.; ZIATABAR AHMADI M.KH.; FAZLOULA R.

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Journal: Journal of Water and Soil Year:2015 | Volume:28 | Issue:6 Page(s): 1284-1297

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Information Journal Paper

Title

STUDY ON CLIMATE CHANGE EFFECT ON NET IRRIGATION REQUIREMENT AND YIELD FOR RICE CROP (CASE STUDY: TAJAN PLAIN)

Author(s)

SHEIDAEIAN M. | ZIATABAR AHMADI M.KH. | FAZLOULA R. | Issue Writer Certificate

Keywords

RICE CROPQ2

GENERAL CIRCULATION MODELQ2

SDSM MODELQ2

CROPWATQ2

HADCM3Q1

Abstract

In this study, impact of climate change on net irrigation requirement (In) and yield of RICE CROP usingHadCM3 climate projection model, one of the AOGCM models, in Tajan Plain area is evaluated. Changes intemperature and precipitation were simulated run under the IPCC scenario A2 for 2011-2040, 2041-2070 and2071-2100 periods. This work was done by using statistical and proportional downscaling techniques. Fores timating Net Irrigation Requirement, Potential evapotranspiration (ETo) and effective rainfall (Pe) were calculated using Penman Monteith equation and USDA method With Cropw at Model, respectively. Impact of water deficit on crop yield was estimated using the linear crop-water production function developed by FAO. The results of downscaling by using SDSM MODEL and proportional method indicate that the decrease in rain fall and increase in the temperature are in future periods. CROPWAT model results indicate that the effect of climate change with increased Potential evapotranspiration and decreased effective Rainfall and increased water consumption of the plant, can be increased, the net irrigation requirement of rice plants in the basin duration years future to come by the year 2100. As a result of climate change and rising temperatures and reducedrain fall, the yield reduction percent to low levels to rise in the coming years. So it can be conclude that the effect of climate change closer to the year 2100 when effective rainfall is less could provide water consumption and netirrigation requirement of rice in the area.

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APA: Copy

SHEIDAEIAN, M., ZIATABAR AHMADI, M.KH., & FAZLOULA, R.. (2015). STUDY ON CLIMATE CHANGE EFFECT ON NET IRRIGATION REQUIREMENT AND YIELD FOR RICE CROP (CASE STUDY: TAJAN PLAIN). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 28(6), 1284-1297. SID. https://sid.ir/paper/141183/en

Vancouver: Copy

SHEIDAEIAN M., ZIATABAR AHMADI M.KH., FAZLOULA R.. STUDY ON CLIMATE CHANGE EFFECT ON NET IRRIGATION REQUIREMENT AND YIELD FOR RICE CROP (CASE STUDY: TAJAN PLAIN). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2015;28(6):1284-1297. Available from: https://sid.ir/paper/141183/en

IEEE: Copy

M. SHEIDAEIAN, M.KH. ZIATABAR AHMADI, and R. FAZLOULA, “STUDY ON CLIMATE CHANGE EFFECT ON NET IRRIGATION REQUIREMENT AND YIELD FOR RICE CROP (CASE STUDY: TAJAN PLAIN),” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 28, no. 6, pp. 1284–1297, 2015, [Online]. Available: https://sid.ir/paper/141183/en

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