ANALYSIS OF SENDIMENT TRANSPORT BABARSARI-MATARAM IRRIGATION

Laksitaningtyas, Agatha Padma and Gunawan, Sumiyati (2018) ANALYSIS OF SENDIMENT TRANSPORT BABARSARI-MATARAM IRRIGATION. In: the 21 st IAHR-APD Congress 2018, 5-6 September 2018, Yogyakarta.

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Abstract

Babarsari irrigation is the part of Mataram Irrigation Canal, is a main irrigation canal in Special Province of Yogyakarta. This research area contain Mataram Irrigation area at Babarsari District. Bed Load Sediment process is a simultaneous event that can make deposition sediment at the base of irrigation canal and can make of water elevation changes. It will affect the availability of water to be used for irrigation functions. To calculate the amount of bed load sediments in the irrigation canal using three methods: Schoklitsch’s Formula, Meyer Peter Mϋller’s Approach Formula and Einstein Method. Flow velocity measurement in the canal using current meters. The channel geometry is measured directly in the canal. The bed load of the channel is taken in the field by taking samples from two different location. The result of the research shows that by using the formula Schoklitsch’s Formula get result of 2.49789 kg/s, whereas with Meyer Peter Mϋller’s Approach Formula get result of 1.10042 kg/s. and Einstein’s Method get result 3.99997 kg/s. The results of the analysis can be produce as an information to maintenance and dredging the bed load sediments on the canal so as not to disrupt the flow of water in irrigation canal.

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