Kajian Koefisien Rembesan Saluran Irigasi Penampang Trapesium Pada Tanah Latosol Dalam Skala Laboratorium

Abstract

AYU WULANDARI : Review of seepage coefficient of irrigation channel trapezoidal cross-section on Latosol soil at laboratory scale, suvervised by SUMONO and ACHWIL PUTRA MUNIR. Seepage is one of the causes of lost of water in irrigation channel. It is difficult to measure the seepage directly on the field. Therefore there should be a model or equation to determine the channel seepage that in the first through laboratory scale. This research was done to analyze the seepage coefficient of irrigation channel trapezoidal cross-section on Latosol soil through laboratory scale. The water balance component which was measured were evaporation, percolation and the seepage through channel wall. The research showed that the coefficient of seepage was about 3732,48mm/day to 5339,52 mm/day. The evaporation number value was 1,33 mm/day and channel percolation was 376,41mm/day