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Climate Change Impact on Future Reference Evapotranspiration and Crop Evapotranspiration for Maize in Sehore District of Madhya Pradesh
The FAO CROPWAT tool was utilised to estimate the future reference evapotranspiration and maize crop evapotranspiration for years 2030, 2060 and 2090 under RCP scenarios 2.6 and 8.5 for Sehore district of Madhya Pradesh, India. The statistically downscaled GCM CanESM2 climate model projections were used as input to the CROPWAT for prediction of future reference and crop evapotranspiration data. The values of constants viz. Kcinitial, Kcmid and Kcend were fixed to 0.5, 1.15 and 0.6, respectively, as per the FAO-56 for maize crop. In the Sehore region, the ET0 and ETc values for RCP 2.6 were calculated to be in range of (400.5–512) mm and (430.5–448.4) mm, respectively, during years 2030, 2060 and 2090, while the ET0 and ETc values for RCP 8.5 were found out to be (466–740.5) mm and (440.5–492.5) mm, respectively, during years 2030, 2060 and 2090, respectively. The RCP scenario 8.5 is the worst case scenario in which the reference evapotranspiration as well as crop water requirement for maize crop has been showing high demands of water. The results of this work can be utilised for proper irrigation scheduling for the maize crop and thereby reducing the agricultural risks due to climate change.
Climate Change Impact on Future Reference Evapotranspiration and Crop Evapotranspiration for Maize in Sehore District of Madhya Pradesh
The FAO CROPWAT tool was utilised to estimate the future reference evapotranspiration and maize crop evapotranspiration for years 2030, 2060 and 2090 under RCP scenarios 2.6 and 8.5 for Sehore district of Madhya Pradesh, India. The statistically downscaled GCM CanESM2 climate model projections were used as input to the CROPWAT for prediction of future reference and crop evapotranspiration data. The values of constants viz. Kcinitial, Kcmid and Kcend were fixed to 0.5, 1.15 and 0.6, respectively, as per the FAO-56 for maize crop. In the Sehore region, the ET0 and ETc values for RCP 2.6 were calculated to be in range of (400.5–512) mm and (430.5–448.4) mm, respectively, during years 2030, 2060 and 2090, while the ET0 and ETc values for RCP 8.5 were found out to be (466–740.5) mm and (440.5–492.5) mm, respectively, during years 2030, 2060 and 2090, respectively. The RCP scenario 8.5 is the worst case scenario in which the reference evapotranspiration as well as crop water requirement for maize crop has been showing high demands of water. The results of this work can be utilised for proper irrigation scheduling for the maize crop and thereby reducing the agricultural risks due to climate change.
Climate Change Impact on Future Reference Evapotranspiration and Crop Evapotranspiration for Maize in Sehore District of Madhya Pradesh
Lecture Notes in Civil Engineering
Timbadiya, P. V. (editor) / Singh, Vijay P. (editor) / Sharma, Priyank J. (editor) / Balvanshi, A. (author) / Tiwari, H. L. (author)
International Conference on Hydraulics, Water Resources and Coastal Engineering ; 2021
2023-05-24
7 pages
Article/Chapter (Book)
Electronic Resource
English
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