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Garschagen, Matthias ORCID: 0000-0001-9492-4463; Surtiari, Gusti Ayu Ketut (2018): Hochwasser in Jakarta – zwischen steigendem Risiko und umstrittenen Anpassungsmaßnahmen. In: Geographische Rundschau, No. 4: pp. 10-15
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Abstract

Jakarta is among the cities with the highest flood risk in the world. Its flood hazard is driven by land subsidence, soil sealing, changes in river discharge and increasingly sea level rise. As all of these trends are set to continue, Jakarta’s flood hazard is expected to intensify in the future. Designing and implementing risk reduction and adaptation measures is therefore of utmost importance. However, the focus on engineering solutions, foremost in the Giant Sea Wall project, is heavily contested due to concerns about ecological impacts, social costs, distributional justice, public participation and long-term effectiveness. Thus, the more the flood hazard will intensify in the future, the deeper a societal debate will be needed about the desired pathway in flood risk reduction and the level of accepted transformation, such as partial retreat from the most flood-affected areas.

Abstract

Jakarta zählt weltweit zu den am stärksten von Hochwasser betroffenen Küstenstädten. Das Hochwasserrisiko erhöht sich fortlaufend aufgrund von Landsenkungen, Flächenversiegelung und Meeresspiegelanstieg. Die Erarbeitung von effektiven Anpassungsstrategien zur Risikominderung genießt daher wissenschaftlich wie politisch hohe Priorität. Die momentan vorangetriebenen Maßnahmen sind jedoch höchst umstritten.