Flow measurements at drop structures for irrigation system management in Sri Lanka

Sakthivadivel, R.; Merrey, D. J. 1992. Flow measurements at drop structures for irrigation system management in Sri Lanka. Colombo, Sri Lanka: International Irrigation Management Institute (IIMI). xiv, 54p. (IIMI Country Paper Sri Lanka 10)

The method suggested in this manual provides a simplified procedure for calibrating and/or updating drop structure curves. The convenience of the proposed method outweighs the lack of rigor and precision, and in any event, the resulting degree of accuracy appears sufficient for most operational purposes.