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Spatial and temporal analysis of extreme sea level and storm surge events around the coastline of the UK

机译:英国海岸线附近极端海平面和风暴潮事件的时空分析

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In this paper we analyse the spatial footprint and temporal clustering of extreme sea level and skew surge events around the UK coast over the last 100 years (1915–2014). The vast majority of the extreme sea level events are generated by moderate, rather than extreme skew surges, combined with spring astronomical high tides. We distinguish four broad categories of spatial footprints of events and the distinct storm tracks that generated them. There have been rare events when extreme levels have occurred along two unconnected coastal regions during the same storm. The events that occur in closest succession (<4 days) typically impact different stretches of coastline. The springeap tidal cycle prevents successive extreme sea level events from happening within 4–8 days. Finally, the 2013/14 season was highly unusual in the context of the last 100 years from an extreme sea level perspective.
机译:在本文中,我们分析了过去100年(1915年至2014年)英国沿海附近极端海平面和偏斜浪涌事件的空间足迹和时间聚类。绝大多数极端海平面事件是由中等而不是极端的斜浪引起的,再加上春季的天文高潮。我们将事件的空间足迹和产生这些事件的独特风暴轨迹分为四大类。在同一场风暴中,沿两个未连接的沿海地区发生了极端水位的事件很少见。最连续(<4天)内发生的事件通常会影响海岸线的不同延伸。春季/春季潮汐周期可防止连续的极端海平面事件在4-8天内发生。最后,从极端海平面的角度来看,在过去100年中,2013/14赛季非常不寻常。

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