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Beach erosion and loss of protection environmental services in Cancun, Mexico

机译：墨西哥坎昆的海滩侵蚀和保护环境服务丧失

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摘要

Human settlements in coastal zones have increased vulnerability to hydrometeorological phenomena in many places around the world. Of particular interest here is the case of Cancun, a luxurious tourist resort created in 1970 on the Caribbean coast of Mexico. The lack of regulations to control the expansion of tourist infrastructure on this barrier island, the disregard to environmental preservation, and the scarcity of external sediment sources have affected the natural balance of the beach-dune system over the intervening years. The consequences are chronic erosion of the beach and increased vulnerability to the extreme events of the last 30 years. Despite the implementation of some management strategies to halt erosion problems, the system still faces great risk. This paper shows the close relation that exists between the erosion of Cancun beach since the late 1960s and the spatial and temporal alteration of the ecosystem protection services triggered by the anthropogenic intervention on the barrier island. The analysis integrates the numerical modelling of the current state of the beach and the knowledge acquired from previous studies related to the wave field and circulation patterns under calm and extreme wave conditions. Cancun beach system showed to be still vulnerable to hydrometeorological threats. (C) 2017 Elsevier Ltd. All rights reserved.
机译：沿海地区的人类住区使世界各地许多地方更容易遭受水文气象现象的影响。这里特别令人感兴趣的是坎昆（Cancun）的情况，坎昆是1970年在墨西哥加勒比海沿岸创建的豪华旅游胜地。缺乏控制该屏障岛上旅游基础设施扩张的法规，无视环境保护，以及外部沉积物资源稀缺，在过去的几年中影响了海滩沙丘系统的自然平衡。其后果是海滩的长期侵蚀和对过去30年极端事件的脆弱性增加。尽管已实施了一些管理策略来制止侵蚀问题，但该系统仍面临巨大风险。本文显示了自1960年代末以来坎昆海滩的侵蚀与人为干预屏障岛引发的生态系统保护服务的时空变化之间存在着密切的关系。该分析整合了海滩当前状态的数值模型以及从先前研究中获得的与平静和极端波浪条件下的波场和环流模式有关的知识。坎昆海滩系统显示仍然很容易受到水文气象威胁。 （C）2017 Elsevier Ltd.保留所有权利。

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