Abstract
Most of the urban river was extremery polluted because of population, complicated shape and other essence of the city. Sumida river mouth is also one of them. In this area, hypoxia is the severe problem and causes the decrease of bio-diversity. This research focuses on the hypoxia and its mitigation in Sumida river mouth using the three-dimensional physical model and lower-trophic ecological model. As the new solution, this research simulated the intermittent control of river discharge in summer. The intermittent control promotes the frequency of water exchange, and affects the increase of dissolved oxygen. Its impact depends on discharge and duration.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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