globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.geomorph.2019.04.033
WOS记录号: WOS:000476965100013
论文题名:
A new perspective on meso-scale shoreline dynamics through data-driven analysis
作者: Reeve, D. E.1; Horrillo-Caraballo, J.1; Karunarathna, H.1; Pan, S.2
通讯作者: Reeve, D. E.
刊名: GEOMORPHOLOGY
ISSN: 0169-555X
EISSN: 1872-695X
出版年: 2019
卷: 341, 页码:169-191
语种: 英语
英文关键词: Meso-scale ; Beach morphology ; Foreshore change classification ; Data driven analysis
WOS关键词: BEACH PROFILES ; COASTAL EVOLUTION ; SUFFOLK COAST ; BRUUN RULE ; MANAGEMENT ; ESTUARY ; BEHAVIOR ; MODEL ; PART ; EQUILIBRIUM
WOS学科分类: Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向: Physical Geography ; Geology
英文摘要:

The twin ambits of climate change and coastal development have raised public awareness of shoreline management. Simultaneously, they have highlighted a gap in our understanding of sediment transport and morphodynamic processes at time and space scales appropriate for shoreline management purposes. Here, we analyse an exceptional set of beach surveys gathered over a period of twenty-two years along the Suffolk coast, eastern UK, that extends over approximately 80 km to investigate the meso-scale shoreline variations. The surveys have been made biannually along fixed transects spaced at approximately 1 km intervals as part of a strategic monitoring exercise undertaken by the coastal authorities to assist in shoreline management planning. Changes in beach volume, foreshore slope and shoreline position have been computed to investigate both spatial and temporal changes. The analysis reveals some distinct responses to the physical processes of tides and waves, anthropogenic interventions and geological controls. Neither a clear relationship between the presence of sea defences and beach response nor an ordered regional-scale shoreline movement are evident. Temporal variations in beach volumes and position provide a similarly complex picture with recessionary, accretionary and stable behaviour all apparent within the study site. There is evidence of quasi-cyclic behaviour at some locations as well as a reduction in variability over time-scales beyond approximately five years. (C) 2019 The Authors. Published by Elsevier B.V.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/147008
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作者单位: 1.Univ Swansea, Coll Engn, Energy & Environm Res Grp, Swansea, W Glam, Wales
2.Univ Cardiff, Sch Engn, Cardiff, S Glam, Wales

Recommended Citation:
Reeve, D. E.,Horrillo-Caraballo, J.,Karunarathna, H.,et al. A new perspective on meso-scale shoreline dynamics through data-driven analysis[J]. GEOMORPHOLOGY,2019-01-01,341:169-191
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