气候变化领域集成服务门户(CCPortal): Drivers of Interannual Sea Level Variability on the Northwestern European Shelf

CCPortal

DOI	10.1029/2020JC016325
	Drivers of Interannual Sea Level Variability on the Northwestern European Shelf
	Hermans T.H.J.; Le Bars D.; Katsman C.A.; Camargo C.M.L.; Gerkema T.; Calafat F.M.; Tinker J.; Slangen A.B.A.
发表日期	2020
ISSN	21699275
卷号	125 期号:10
英文摘要	Sea level on the northwestern European shelf (NWES) varies substantially from year to year. Removing explained parts of interannual sea level variability from observations helps to improve estimates of long-term sea level trends. To this end, the contributions of different drivers to interannual sea level variability need to be understood and quantified. We quantified these contributions for the entire NWES by performing sensitivity experiments with a high-resolution configuration of the Regional Ocean Modeling System (ROMS). The lateral and atmospheric boundary conditions were derived from reanalyses. We compared our model results with satellite altimetry data and used our sensitivity experiments to show that nonlinear feedbacks cause only minor interannual sea level variability on the shelf. This indicates that our experiments can be used to separate the effects of different drivers. We find that wind dominates the variability of annual mean sea level in the southern and eastern North Sea (up to 4.7-cm standard deviation), whereas the inverse barometer effect dominates elsewhere on the NWES (up to 1.7-cm standard deviation). In contrast, forcing at the lateral ocean boundaries results in small and coherent variability on the shelf (0.5-cm standard deviation). Variability driven by buoyancy fluxes ranges from 0.5- to 1.3-cm standard deviation. The results of our sensitivity experiments explain the (anti)correlation between interannual sea level variability at different locations on the NWES and can be used to estimate sea level rise from observations in this region with higher accuracy. ©2020. The Authors.
英文关键词	interannual sea level variability; northwestern European shelf; regional ocean model; ROMS; satellite altimetry era; sensitivity experiments
语种	英语
来源期刊	Journal of Geophysical Research: Oceans
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186662
作者单位	NIOZ Royal Netherlands Institute for Sea Research, Department of Estuarine and Delta Systems, Utrecht University, Yerseke, Netherlands; Department of Geosciences and Remote Sensing, Delft University of Technology, Delft, Netherlands; Royal Netherlands Meteorological Institute (KNMI), De Bilt, Netherlands; Department of Hydraulic Engineering, Delft University of Technology, Delft, Netherlands; Department of Marine Physics and Ocean Climate, National Oceanography Centre, Liverpool, United Kingdom; Met Office Hadley Centre, Exeter, United Kingdom
推荐引用方式 GB/T 7714	Hermans T.H.J.,Le Bars D.,Katsman C.A.,et al. Drivers of Interannual Sea Level Variability on the Northwestern European Shelf[J],2020,125(10).
APA	Hermans T.H.J..,Le Bars D..,Katsman C.A..,Camargo C.M.L..,Gerkema T..,...&Slangen A.B.A..(2020).Drivers of Interannual Sea Level Variability on the Northwestern European Shelf.Journal of Geophysical Research: Oceans,125(10).
MLA	Hermans T.H.J.,et al."Drivers of Interannual Sea Level Variability on the Northwestern European Shelf".Journal of Geophysical Research: Oceans 125.10(2020).