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Investigation of Crop Evapotranspiration and Irrigation Water Requirement in the Ukai-Kakrapar Command Area, India
Water shortage and competing demand of water need judicious usage of water in the agriculture sector. The present study includes crop water estimate and irrigation water requirements for Ukai left bank command area (ULBCA), Ukai right bank command area (URBCA), Kakrapar left bank command area (KLBCA), and Kakrapar right bank command area (KRBCA) using meteorological data for period from 2010 to 2019. Using daily climatic data, the FAO Penman–Monteith technique has been used to determine reference evapotranspiration (ET0). The crop coefficient is used to determine the crop evapotranspiration (ETc) of various types of crop types. The effective rainfall is calculated using the Soil Conservation Service (SCS) method. Then, net irrigation requirement (NIR) has been calculated using effective rainfall and estimated crop water requirements. The maximum gross irrigation water requirement (GIWR) in ULBCA, URBCA, KLBCA, and KRBCA has been estimated to be 149.31 MCM, 103.72 MCM, 269.43 MCM, and 205.42 MCM, respectively, by considering the water conveyance efficiency of 70% and water application efficiency of 60% (flood irrigation). Crop water requirement (CWR) estimated in lakh mm Ha. Such irrigation water demand would be useful for optimization of reservoir releases in optimal growth of crops in the command area.
Investigation of Crop Evapotranspiration and Irrigation Water Requirement in the Ukai-Kakrapar Command Area, India
Water shortage and competing demand of water need judicious usage of water in the agriculture sector. The present study includes crop water estimate and irrigation water requirements for Ukai left bank command area (ULBCA), Ukai right bank command area (URBCA), Kakrapar left bank command area (KLBCA), and Kakrapar right bank command area (KRBCA) using meteorological data for period from 2010 to 2019. Using daily climatic data, the FAO Penman–Monteith technique has been used to determine reference evapotranspiration (ET0). The crop coefficient is used to determine the crop evapotranspiration (ETc) of various types of crop types. The effective rainfall is calculated using the Soil Conservation Service (SCS) method. Then, net irrigation requirement (NIR) has been calculated using effective rainfall and estimated crop water requirements. The maximum gross irrigation water requirement (GIWR) in ULBCA, URBCA, KLBCA, and KRBCA has been estimated to be 149.31 MCM, 103.72 MCM, 269.43 MCM, and 205.42 MCM, respectively, by considering the water conveyance efficiency of 70% and water application efficiency of 60% (flood irrigation). Crop water requirement (CWR) estimated in lakh mm Ha. Such irrigation water demand would be useful for optimization of reservoir releases in optimal growth of crops in the command area.
Investigation of Crop Evapotranspiration and Irrigation Water Requirement in the Ukai-Kakrapar Command Area, India
Lecture Notes in Civil Engineering
Timbadiya, P. V. (editor) / Patel, P. L. (editor) / Singh, Vijay P. (editor) / Sharma, Priyank J. (editor) / Baladaniya, K. B. (author) / Patel, P. L. (author) / Timbadiya, P. V. (author)
International Conference on Hydraulics, Water Resources and Coastal Engineering ; 2021
2023-05-01
10 pages
Article/Chapter (Book)
Electronic Resource
English
A FUZZY BASED OPTIMAL IRRIGATION PLANNING FOR KAKRAPAR RIGHT BANK CANAL COMMAND AREA, GUJARAT, INDIA
| Taylor & Francis Verlag | 2011