IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 36th Congress - The Hague (2015) ALL CONTENT : Special sessions : Land subsidence, sea level rise and urban flooding: coping strategies in coastal
Land subsidence, sea level rise and urban flooding: coping strategies in coastal
Author : G. DE LANGE(1), T. BUCX(2), R. STUURMAN(1) & G. ERKENS(1)
Land subsidence increases the threat of urban flooding. This is evident by the increasing instances of coastal flooding in
rapidly developing coastal cities, but also the increased runoff from climatic and topographic changes finds its way into
subsiding cities. An assessment framework was developed that analyses the situation of a city with respect to awareness,
knowledge, data availability, governance and coping strategy concerning land subsidence and flood prevention.
We show that cities have seldom reached the stage where a coping strategy is developed, let alone that a governance
structure is in place to implement it. This is illustrated by looking at cases, such as Tokyo, Ho Chi Minh City, New Orleans,
Jakarta, Dhaka and Rotterdam, where investments in flood risk mitigation run into hundreds of millions of dollars/euros.
We show that the timescale of the process leading from awareness to the implementation of coping strategies as
compared to the timescale of the development of the flooding threat leads to the conclusion that immediate action is
necessary if only to render these investments durable in the long term. We give some examples of the transition from
mitigation to adaptation of land subsidence effects.
File Size : 272,305 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 36th Congress - The Hague (2015) ALL CONTENT
Article : Special sessions
Date Published : 17/08/2015
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