Monitoring the Rainwater Management Role to Solve Problem Related to Hydro- Environment Engineering

Flood and drought are issues associated with hydro-environmental engineering on small islands due to the less favourable rainfall characteristics. Because of the short reach, large amounts of rain fall as storm runoff to the sea, with little possibility of infiltrating into the soil for ground-water recharge. During the rainy season, floods and landslides occur, and during the dry season, drought occurs. Rainwater management is the method of directing runoff flow to be harvested, collected, or conserved according to needs, and then used to meet those needs. This study looks into the role of rainwater management in resolving these issues. The study included a review of the literature as well as field observations of rainwater management strategies used on a communal and household scale. As a water management strategy, the water-trap sequence is designed to control the flow of rainfall water into a river or natural drainage system. The findings indicate that, first and foremost, rainwater must be treated in such a way that only a limited amount of rainwater flows directly to the sea. As a result, as ground-water recharge, it has a chance to penetrate into the soil. This is accomplished by constructing a series of water-traps, collecting rainwater, and storing it in ponds on a household scale. The water could then be used for household and agricultural purposes. Second, by drawing on a variety of experiences with technology implementation as a water conservation measure, the proper method for handling rainwater on a communal/household scale can be discovered. These activities enable rainwater management to play a part in resolving problems in hydro-environmental engineering.

Author (s) Details

Dr. Susilawati Cicilia Laurentia
Department of Civil Engineering, University of 17 August 1945 Semarang, Semarang Central Java, Indonesia.

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