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Article: Risk Assessment of Earthquake-Triggered Geohazards Surrounding Wenchuan, China
Title | Risk Assessment of Earthquake-Triggered Geohazards Surrounding Wenchuan, China |
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Authors | |
Keywords | Risk assessment Wenchuan earthquake Trapezoidal fuzzy analytical hierarchical process (FAHP) Geographic information system (GIS) |
Issue Date | 2020 |
Publisher | American Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/nh.html |
Citation | Natural Hazards Review, 2020, v. 21 n. 3, p. article no. 05020007 How to Cite? |
Abstract | The great 2008 Wenchuan earthquake in China was a painful disaster. Accordingly, the management and mitigation of the risk of future earthquake-triggered geohazards remain a critical responsibility of local authorities. This case study assesses the risk of earthquake-triggered geohazards surrounding Wenchuan County using the analytical hierarchical process (AHP) and the trapezoidal fuzzy AHP (FAHP). The assessment results show that the regions with high-risk and very high-risk levels are distributed in the belt along the Longmenshan fault zone. Moreover, the percentages of high and very high-risk levels obtained from the trapezoidal FAHP are higher than those obtained from the original AHP. This comparison reveals that the trapezoidal FAHP provides a more reasonable assessment than the AHP. Further, the trapezoidal FAHP can capture the regions with high-risk and very high-risk levels. The results from the trapezoidal FAHP provide four choices that stakeholders can use to make decisions, which mitigates the biases that exist in the original AHP. |
Persistent Identifier | http://hdl.handle.net/10722/293323 |
ISSN | 2023 Impact Factor: 1.8 2023 SCImago Journal Rankings: 0.517 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Lyu, HM | - |
dc.contributor.author | Shen, SL | - |
dc.contributor.author | Yang, J | - |
dc.contributor.author | Zhou, AN | - |
dc.date.accessioned | 2020-11-23T08:15:06Z | - |
dc.date.available | 2020-11-23T08:15:06Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Natural Hazards Review, 2020, v. 21 n. 3, p. article no. 05020007 | - |
dc.identifier.issn | 1527-6988 | - |
dc.identifier.uri | http://hdl.handle.net/10722/293323 | - |
dc.description.abstract | The great 2008 Wenchuan earthquake in China was a painful disaster. Accordingly, the management and mitigation of the risk of future earthquake-triggered geohazards remain a critical responsibility of local authorities. This case study assesses the risk of earthquake-triggered geohazards surrounding Wenchuan County using the analytical hierarchical process (AHP) and the trapezoidal fuzzy AHP (FAHP). The assessment results show that the regions with high-risk and very high-risk levels are distributed in the belt along the Longmenshan fault zone. Moreover, the percentages of high and very high-risk levels obtained from the trapezoidal FAHP are higher than those obtained from the original AHP. This comparison reveals that the trapezoidal FAHP provides a more reasonable assessment than the AHP. Further, the trapezoidal FAHP can capture the regions with high-risk and very high-risk levels. The results from the trapezoidal FAHP provide four choices that stakeholders can use to make decisions, which mitigates the biases that exist in the original AHP. | - |
dc.language | eng | - |
dc.publisher | American Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/nh.html | - |
dc.relation.ispartof | Natural Hazards Review | - |
dc.rights | Natural Hazards Review. Copyright © American Society of Civil Engineers. | - |
dc.rights | This material may be downloaded for personal use only. Any other use requires prior permission of the American Society of Civil Engineers. This material may be found at [URL/link of abstract in the ASCE Library or Civil Engineering Database]. | - |
dc.subject | Risk assessment | - |
dc.subject | Wenchuan earthquake | - |
dc.subject | Trapezoidal fuzzy analytical hierarchical process (FAHP) | - |
dc.subject | Geographic information system (GIS) | - |
dc.title | Risk Assessment of Earthquake-Triggered Geohazards Surrounding Wenchuan, China | - |
dc.type | Article | - |
dc.identifier.email | Yang, J: junyang@hkucc.hku.hk | - |
dc.identifier.authority | Yang, J=rp00201 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1061/(ASCE)NH.1527-6996.0000375 | - |
dc.identifier.scopus | eid_2-s2.0-85086702934 | - |
dc.identifier.hkuros | 319588 | - |
dc.identifier.volume | 21 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | article no. 05020007 | - |
dc.identifier.epage | article no. 05020007 | - |
dc.identifier.isi | WOS:000542779900011 | - |
dc.publisher.place | United States | - |