Isaac Scientific Publishing

Geosciences Research

Computation of Various Irrigation Losses on Different Soils Using Remote Sensing, CROPWAT and GIS

Download PDF (344 KB) PP. 100 - 104 Pub. Date: May 15, 2017

DOI: 10.22606/gr.2017.22004


  • Ch Ramesh Naidu*
    Civil Engineering Department, Gayatri Vidya Parishad College of Engineering(A), Visakhapatnam, Andhra Pradesh, India
  • MVSS Giridhar

    Centre for Water Resources, Jawaharlal Nehru Technological University, Hyderabad, Telangana State, India


To determine the irrigation requirements of rice crop in a canal command area on different soils, remote sensing images were used in conjunction with CROPWAT model and GIS technology. Satellite data were used to estimate the rice and fallow lands. Depending on the type of soil, climate and the crop acreage, the water requirement for rice fields is derived. In conjunction with satellite interpreted data, climate and soil data were also integrated in GIS platform. CROPWAT model was used to determine the crop evapotranspiration. There are 11 Water User's Associations in the command area under which 13 Canal blocks were delineated. These canal blocks were again delineated in to 212 sub blocks. In this study, the use of GIS and Remote Sensing with CROPWAT model to derive the crop water requirements at WUA and sub-block level showed distinct variation in water requirements due to the change in soil and climate parameters.


Evapotranspiration, CROPWAT, GIS, remote sensing, canal command area and water user’s association


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