A. Finawan, R. Tahir, E. Eliyani, A. Fauziah, A. Jannifar
Aceh Province is rich with river flow attractions, and foreign tourists who use the location as a tourist spot for bathing or to enjoy the cool and peaceful natural scenery. These tourism objects often experience sudden flooding in the event of high intensity rain in the upper mountains of the river. Flooding can be caused enormous harm to humans both property losses and loss of life. These problems need to be pursued with a number of steps including measuring the signs of flooding upstream, sending information on signs of flooding from upstream to tourist attractions, and building an Early Warning System (EWS) for flood hazards. This system consists of two parts, namely the flood level detector that was applied in the upstream part of the river and the delivery section of river status information in the form of a siren alarm and an appeal through loudspeakers. Information conveyed to tourists in form by loudspeaker that visitor have to be careful and danger. Flood status was sent to the recipient system in the river flow of tourism area by using radio frequency. The ultrasonic sensors were used to detect the distance of the water surface of the river to the sensor up to 300 cm. The frequency radio can transmit data in the range of 550 m. River status was stated in 3 statuses, namely danger, standby and normal with the distance of the sensor to the water surface of each less than 260 cm, less than 275 cm and more than 275 cm. This system has been tested and can work well as a EWS to avoid properties losses and fatalities. A critical finding about this study is EWS could be adopted by a method using flood level detector and siren alarm. © Published under licence by IOP Publishing Ltd.
Department of Electrical Engineering, Lhokseumawe State Polytechnic, Lhokseumawe, 24301, Indonesia; Department of Mechanical Engineering, Lhokseumawe State Polytechnic, Buketrata, Lhokseumawe, 24301, Indonesia
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