Journal Article Awareness of coastal floods in impoverished subsiding coastal communities in Jakarta: Tsunamis, typhoon storm surges and dyke-induced tsunamis

高木, 泰士  ,  Takagi, Hiroshi  ,  藤井, 大祐  ,  Fujii, Daisuke  ,  黒部, 笙太  ,  Kurobe, Shouta

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Sea level rise will pose a significant challenge to coastal settlements throughout the planet and is likely todisproportionately affect poorer communities, which are usually located in particularly vulnerable areas. Coastalareas in Jakarta have been experiencing rapid subsidence in recent years, and could serve to illustrate the likelychallenges that future sea level rise could have on such communities. To ascertain the level of awareness aboutthe threats facing them questionnaire surveys were conducted amongst one relatively poor community that issituated below sea level, protected from the sea by a thin concrete dyke. The results show that while localinhabitants appear to be aware about the hazards they face, many seem to underestimate their severity, possiblydue to a high frequency of exposure in the recent past. The situation in the area appears to be worsening witheach passing year, and it is imperative that remedial actions to halt ground subsidence are carried out and/orimportant remedial actions to adapt to the ground subsidence are implemented. Failure to do so could eventuallyresult in a significant loss of life in the area.
Sea level rise will pose a significant challenge to coastal settlements throughout the planet and is likely todisproportionately affect poorer communities, which are usually located in particularly vulnerable areas. Coastalareas in Jakarta have been experiencing rapid subsidence in recent years, and could serve to illustrate the likelychallenges that future sea level rise could have on such communities. To ascertain the level of awareness aboutthe threats facing them questionnaire surveys were conducted amongst one relatively poor community that issituated below sea level, protected from the sea by a thin concrete dyke. The results show that while localinhabitants appear to be aware about the hazards they face, many seem to underestimate their severity, possiblydue to a high frequency of exposure in the recent past. The situation in the area appears to be worsening witheach passing year, and it is imperative that remedial actions to halt ground subsidence are carried out and/orimportant remedial actions to adapt to the ground subsidence are implemented. Failure to do so could eventuallyresult in a significant loss of life in the area.

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