Abstract
Reference crop evapotranspiration is an essential parameter for crop water management and the hydrological cycle. Therefore, selecting methods to predict the reference crop evapotranspiration plays an essential role in agriculture water management and the hydrological cycle. This study attempts to compare different methods for the estimation of reference crop evapotranspiration in the subtropical region of Assam. The Indian Meteorological Department (IMD) gridded temperature, and rainfall data at 1° × 1° spatial resolution was used for the period 1971–2011. Three methods of estimation and comparison of reference crop evapotranspiration were used, which include Thornthwaite’s plan (1948), Hargreaves and Samani’s method (1985), and Turc’s method (1961). Thornthwaite’s method was likely to give better results for humid regions for the estimation of reference crop evapotranspiration. The reference crop evapotranspiration, as well as rainfall in eastern Assam, was found to be high in comparison to other districts of Assam.
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Baruah, U.D., Saikia, A., Mili, N. (2023). Modelling of Reference Crop Evapotranspiration in Humid-Wet Tropical Region of India. In: Sharma, S., Kuniyal, J.C., Chand, P., Singh, P. (eds) Climate Change Adaptation, Risk Management and Sustainable Practices in the Himalaya. Springer, Cham. https://doi.org/10.1007/978-3-031-24659-3_17
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