IRRIGATION NETWORK MODELLING.

Abstract

A computer software has been developed to calculate progressively the water levels and discharges at locations starting from the field channels to the head works. The program also allows for the calculation of the head losses across canals, regulators, weirs and cross-drainage structures. This mode of the program is useful in the design of the irrigation layout and a separate mode of the software does the computations for an existing irrigation layout. The results derived for the several distribution system alternatives would be useful in arriving at an efficient design of the system and good water management practices in irrigated agriculture. Possible applications and the scope for the expansion of the software are discussed along with the limitations.