Risk Assessment for Recreational Activities in the Coastal Ocean

被引:0
作者
Chuang, Hui-Chieh [1 ]
Doong, Dong-Jiing [2 ]
Ho, Chung-Ru [1 ]
Ho, Ya-Hui [2 ]
机构
[1] Natl Taiwan Ocean Univ NTOU, Dept Marine Environm Informat, Keelung 20224, Taiwan
[2] Natl Cheng Kung Univ NCKU, Dept Hydraul & Ocean Engn, Tainan 70101, Taiwan
关键词
ocean recreational activity (ORA); risk assessment; ocean environment; fuzzy Delphi method (FDM); analytical hierarchy process (AHP); HAZARD RISK; BEACH; MANAGEMENT; TOURISM; RESCUES; SAFETY;
D O I
10.3390/jmse12040604
中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
Ocean recreational activities (ORAs), including swimming, surfing, diving, paddleboarding, etc., in global marine areas are becoming increasingly popular. However, there are potential risks in coastal ocean environments. This study aims to establish a framework for assessing the risk according to the joint hazard and vulnerability levels of the ORA environment. Important factors include meteo-ocean conditions, geographic features, biological and chemical characteristics, and records of historical accidents, as well as social, environmental and tourist perceptions. The fuzzy Delphi method (FDM) is used to screen the representative factors, followed by using the analytical hierarchy process (AHP) to determine the weight of each factor. The results show that 9 hazard factors and 12 vulnerability factors are dominant. The framework is applied to 307 beaches in Taiwan, and 8% of them are categorized as very high risk and 13% as very low risk for ORAs. A risk map that displays the hazard, vulnerability, and overall risk levels is presented to tourists to provide quick access to risk information.
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页数:18
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