Estimation and Validation of Actual Evapotranspiration (ETa) of Maize Wheat Cropping System Using SSEBop Model Over IARI Research Farm, New Delhi, India - Joydeep Mukherjee; Anuradha Sharma; Rajkumar Dhakar; V. K. Sehgal; D. Chakraborty; D. K. Das (Journal of the Indian Society of Remote Sensing, 2021)