DOI: 10.1016/j.gloplacha.2013.03.009
论文题名: A significant increase in wave height in the North Atlantic Ocean over the 20th century
作者: Bertin X. ; Prouteau E. ; Letetrel C.
刊名: Global and Planetary Change
ISSN: 0921-8283
出版年: 2013
卷: 106 起始页码: 77
结束页码: 83
语种: 英语
英文关键词: Climate change
; Coastal erosion
; Major increase
; Numerical model
; Wave climate
Scopus关键词: Atmospheric reanalysis
; Coastal erosion
; Interannual variability
; Major increase
; North Atlantic oscillations
; Significant wave height
; Voluntary observing ships
; Wave climates
; Atmospheric pressure
; Climate change
; Erosion
; Numerical models
; Water waves
; Wind effects
; Ocean currents
; annual variation
; coastal zone
; comparative study
; correlation
; hindcasting
; satellite imagery
; shoreline
; wave climate
; wave height
; wave modeling
; wind velocity
; wind wave
; Atlantic Ocean
; Atlantic Ocean (North)
英文摘要: A new 109year numerical wind-wave hindcast is developed for the North Atlantic Ocean based on the 20th century atmospheric reanalysis (20CR). Wave results are validated directly against data originating from voluntary observing ships and satellite altimetry in the North-East Atlantic Ocean. The normalized error for yearly-mean significant wave height (Hs) is shown to be of the order of 5% for the second part of the 20th century. An indirect validation is also performed through 10m wind speed and suggests that the accuracy of yearly-mean Hs only slightly decreases for the beginning of the 20th century. The comparison between Hs and the index of the North Atlantic Oscillation revealed that this phenomenon partly controls Hs inter-annual variability, with a positive (negative) correlation in the northeastern (southwestern) part of the study area. The analysis of model results shows an increase in Hs over the whole North Atlantic Ocean superimposed to the inter-annual variability, reaching 0.01m.yr-1 (20 to 40% over the 20th century) north of 50°N. This increase is explained by a rise in wind speed exceeding 20% north of 50°N. The roughening in the wave climate demonstrated in this study is expected to have strong implications for the development of coastal zones and could explain the increase in erosion along the North Atlantic shorelines. © 2013 Elsevier B.V. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84876427526&doi=10.1016%2fj.gloplacha.2013.03.009&partnerID=40&md5=476a3ce0c7158b00f432ac45d45b865a
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11189
Appears in Collections: 全球变化的国际研究计划
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作者单位: UMR 7266 LIENSs, CNRS-Université de La Rochelle, Institut du Littoral et de l'Environnement, 2 rue Olympe de Gouges, 17000 La Rochelle, France
Recommended Citation:
Bertin X.,Prouteau E.,Letetrel C.. A significant increase in wave height in the North Atlantic Ocean over the 20th century[J]. Global and Planetary Change,2013-01-01,106.