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  • 标题:Post-storm geomorphic recovery and resilience of a prograding coastal dune system
  • 本地全文:下载
  • 作者:J E Bullard ; D Ackerley ; J Millett
  • 期刊名称:Environmental Research Communications
  • 印刷版ISSN:2515-7620
  • 出版年度:2019
  • 卷号:1
  • 期号:1
  • 页码:1-13
  • DOI:10.1088/2515-7620/ab0258
  • 出版社:IOP Publishing
  • 摘要:Geomorphic resilience is the capacity of a system to recover to pre-disturbance conditions following a perturbation. The 2013/14 Atlantic winter storm period had extensive geomorphological impacts and provides an opportunity to assess coastline resilience. This paper uses high spatio-temporal resolution data to quantify the beach-dune response and subsequent recovery of a prograding coastline following the 5 December 2013 North Sea storm surge. It demonstrates that despite the high water levels and destructive nature of the storm, the beach-dune system recovered sediment rapidly over the first post-storm year. Within four years the dune advance had exceeded the seawards position expected based on long-term coastal trends but had not yet recovered the pre-storm foredune profile. Cumulative evidence from numerous European locations suggests one of the stormiest periods on record triggered only a minor disturbance to what appear to be highly resilient beach-dune systems.
  • 关键词:beach-dune recovery;geomorphic resilience;storm surge;prograding coast
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