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热带地理  2015 

基于地形动力学的海滩裂流安全性评价——以三亚大东海为例

, PP. 96-102

Keywords: 海滩安全性,地形动力,裂流,溺水事故,大东海

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Abstract:

?文章基于海滩地形动力学模型建立了海滩安全性评价方法,认为低潮沙坝/裂流海滩类和沙坝类海滩出现裂流概率最大,沙坝消散类和有裂流的低潮台地类海滩裂流风险中等,没有裂流的低潮台地海滩、没有沙坝的消散海滩、超消散型、完全反射型海滩裂流风险很小。以三亚大东海为例,利用该评价方法分析了海滩溺水事故频发的原因,结果显示:1)该海滩状态以沙坝型和低潮沙坝/裂流海滩型为主,属于高风险海滩,此结论与当地救生实践吻合;2)该海滩溺水事故发生的根本原因为裂流危险性高,故容易发生溺水事故。

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