THE UTILIZATION OF THE DRONE AND SONAR FOR FLOOD DESIGN IN CONSTRUCTION ERA 4.0.

Hermawan, Surya and Purnomo, Joko and Tjandra, Daniel and Pontjoharyo, Welly and Dalrino, (2019) THE UTILIZATION OF THE DRONE AND SONAR FOR FLOOD DESIGN IN CONSTRUCTION ERA 4.0. In: HATHI 6th International Seminar on Advancement of Water Resources Management in a Global Challenge K, 24-11-2019 - 24-11-2019, Kupang - Indonesia.

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Abstract

Climate change caused by global warming has become an interesting study in recent years which is indicated by an increase in seawater temperature, sea-level rise and flooding. In the research area at Jabon District Sidoarjo was affected by sea flood in December 2017 within material loss about 5 billion rupiahs. This research aims to utilise the recent technology in construction era 4.0 with photogrammetric techniques using Unmanned Aerial Vehicles and sonar tools to analyse flooding events by making bathymetry maps with low and affordable costs in watersheds, including the effects of tides was also carried out. The method in this research was carried out the right photogrammetric technique and processed to provide a 3-dimensional appearance. Also, sonar tools use as benchmarks with high accuracy in the bathymetry mapping and river sedimentation occurrence. The outcome of this study proves that the watershed at the study site was a tidal influence on the condition of the highest high water level, which caused seawater to pass through the river bank as high as 10 centimetres. Fur further to overcome this problem, it recommends to do dredging of the riverbed, and the appropriate construction of river banks/embankments are higher and more durable.

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