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| Titel |
Integrated multi-criteria flood vulnerability approach using fuzzy TOPSIS and Delphi technique |
| VerfasserIn |
G. Lee, K.-S. Jun, E.-S. Chung |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 13, no. 5 ; Nr. 13, no. 5 (2013-05-22), S.1293-1312 |
| Datensatznummer |
250018449
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| Publikation (Nr.) |
 copernicus.org/nhess-13-1293-2013.pdf |
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| Zusammenfassung |
| This study aims to develop a new procedure that combines multi-criteria
spatial vulnerability analysis with the traditional linear probabilistic
risk approach. This approach is named integrated fuzzy flood
vulnerability assessment because it combines the watershed-based vulnerability
framework with stream-based risk analysis. The Delphi technique and
pressure-state-impact-response framework are introduced to objectively
select evaluation criteria, and the fuzzy TOPSIS technique is proposed to
address the uncertainty of weights to all criteria and crisp input data of
all spatial units. ArcGIS is used to represent the spatial results to all
criteria. This framework is applied to the south Han River basin in South
Korea. As a result, the flood vulnerability ranking was derived and
vulnerability characteristics of all spatial units were compared. This
framework can be used to conduct a prefeasibility study for flood mitigation
projects when various stakeholders should be included. |
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