Master Plan Jakarta, Indonesia: The Giant Seawall and the need for structural treatment of municipal waste water

van der Wulp, Simon A.; Dsikowitzky, Larissa; Hesse, Karl Jürgen; Schwarzbauer, Jan

Master Plan Jakarta, Indonesia: The Giant Seawall and the need for structural treatment of municipal waste water

2016

van der Wulp, Simon A. | Dsikowitzky, Larissa | Hesse, Karl Jürgen | Schwarzbauer, Jan

In order to take actions against the annual flooding in Jakarta, the construction of a Giant Seawall has been proposed in the Master Plan for National Capital Integrated Coastal Development. The seawall provides a combination of technical solutions against flooding, but these will heavily modify the mass transports in the near-coastal area of Jakarta Bay. This study presents numerical simulations of river flux of total nitrogen and N,N-diethyl-m-toluamide, a molecular tracer for municipal waste water for similar scenarios as described in the Master Plan. Model results demonstrate a strong accumulation of municipal wastes and nutrients in the planned reservoirs to extremely high levels which will result in drastic adverse eutrophication effects if the treatment of municipal waste water is not dealt with in the same priority as the construction of the Giant Seawall.

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