Water Measurement in Small Irrigation Channels Using Trapezoidal Flumes

Abstract

THE use of trapezoidal flumes for water measurement is increasing. Research and development has shown trapezoidal flumes in many cases to be more adaptable and more easily constructed than conventional rectangular flumes. Trapezoidal flumes are used to measure flows in natural streams and in irrigation canals and small furrows. Results of research on trapezoidal flumes at the Colorado State University hydraulics laboratory prior to 1959 have previously been published (5)*. This report presents the results of research on small trapezoidal flumes for irrigation channels.