Flood Management in the Brantas and Bengawan Solo River Basins, Indonesia

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Flood Management in the Brantas and Bengawan Solo River Basins, Indonesia Asian Water Cycle Symposium 2016 Tokyo, Japan, 1 - 2 March 2016 FLOOD MANAGEMENT IN THE BRANTAS AND BENGAWAN SOLO RIVER BASINS, INDONESIA Gede Nugroho Ariefianto, M. Zainal Arifin, Fahmi Hidayat, Arief Satria Marsudi Jasa Tirta Public Corporation http://www.jasatirta1.co.id Flood Hazards in the Brantas and Bengawan Solo River Basins • Flood continues to be the most severe annual disasters in the Brantas and Bengawan Solo River Basins, particularly in the tributaries of the Brantas River basin and the Lower Bengawan Solo River Basin. • The intensity of flood disasters appears to have increased during the past few years due to the impact of urbanization, industrialization, climate change and watershed degradation. • Floods in the Brantas and Bengawan Solo River Basins cause devastating losses to human lives and livelihoods, and also seriously impede economic development in East Java Province. Floods in the Brantas and Bengawan Solo River Basins in February 2016 Floods in the Brantas and Bengawan Solo River Basins in February 2016 Flood Control in the Brantas and Bengawan Solo River Basins • Prior to the 1990s, large-scale structural measures were adopted as structural measures for flood control in the basins. • The construction of major dam and reservoirs can lead to better regulation of the flow regime in mainstream of Brantas and Upper Bengawan Solo. • Development of large dams in the Bengawan Solo River basin for flood control encounter social and environmental problems. Flood Control Structures in the Brantas River Basin Flood Control Structures in the Bengawan Solo River Basin Flood Management in the Brantas and Bengawan Solo River Basins • Floods can’t be prevented totally in the Brantas and Bengawan Solo River Basins. • Flood control has been shifted towards flood management. • The resilience of community to live in harmony with floods such as community service and empowerment of society is the most important component. • Need to develop non structural measures such as provision of EWS and flood hazard mapping and risks guides, raising awareness, capacity building, education and training, as well as institutional setting. Community Based Flood Early Warning System • Early Warning System is a key element in reducing flood disaster risks in the Brantas and Bengawan Solo River basins. • It provides people with sufficient time to evacuate and protect their property from an impending hazard. • The CBFEWS in the basins provides community and disaster risk management agencies with advance information on the risks that can be readily translated to disaster prevention, preparedness response actions against loss of lives and injuries. • The system promotes a sense of ownership, hence it is easier to sustain. Community Based Flood Early Warning System Community Based Flood Early Warning System Community Based Flood Early Warning System Flood Early Warning Early Action System (FEWEAS) in the Bengawan Solo River Basin Hourly Weather Prediction Information Real time data collected Early Warning by AWS and AWLR Desain Portal Interface Rainfall Prediction Interface Flood Prediction Interface Android Interface Questionnaire Interface THANK YOU VERY MUCH.
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