The Dynamical Coupling of a Wave Model and a Storm Surge Model through the Atmospheric Boundary Layer

Mastenbroek, C.; Burgers, Gerrit; Janssen, Peter A. E. M.

doi:10.1175/1520-0485(1993)023<1856:tdcoaw>2.0.co;2

Cited by 175 publications

(103 citation statements)

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“…For old wind-seas z e ≈ z 0 (the effective roughness is equivalent to that obtained without wave effects) and the stress behaves according to constant Charnock if τ w /τ is small, but as τ w /τ tends to one the stress is enhanced i.e. accounting for steep waves present in young wind-seas (Mastenbroek et al, 1993).…”

Section: Representing the Wind-stressmentioning

confidence: 90%

“…Janssen (1989Janssen ( , 1991Janssen ( , 2004, Janssen et al (2004) and Mastenbroek et al (1993) have all investigated representing the surface stress in the presence of waves by a Charnock-like method in place of S&B. Mastenbroek et al (1993) studied the effect of using the wave stress in a coupled wave-current model compared to using S&B in a surge model. They found it performed well for young and old seas compared to S&B.…”

Section: Introductionmentioning

confidence: 99%

“…Here we aim to (i) use a consistent surface stress computation for wave and surge model and (ii) replace the constant value Charnock parameter with a wave-dependent parameter such that a global representation of the surface stress is obtained, without the need for tuning. Ideally we would like to use the same windstress in the surge and wave models (Mastenbroek, et al, 1993).…”

Section: Introductionmentioning

confidence: 99%

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Coupled wave and surge modelling for the eastern Irish Sea and implications for model wind-stress

Brown

Wolf

2009

Continental Shelf Research

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We revisit the surge of November 1977, a storm event which caused damage on the Sefton coast in NW England. A hindcast has been made with a coupled surge-tidewave model, to investigate the effects of waves on the surge generation by modifying the surface drag. The POLCOMS-WAM modelling system has been used to model combined tides, surges, waves and wave-current interaction in the Irish Sea on a 1.85km grid. This period has been previously thoroughly studied e.g. Jones and Davies (1998) and has been chosen here to validate the POLCOMS-WAM model to test the accuracy of surge elevation predictions in the study area. A one-way nested approach has been set up. It was demonstrated that (as expected) swell from the North Atlantic does not have a significant impact in the eastern Irish Sea. To capture the external surge generated outside of the Irish Sea a (1/9º by 1/6º) model extending beyond the continental shelf edge was run using the POLCOMS model for tide and surge.The model results were compared with tide gauge observations around the eastern Irish Sea. The model was tested with different wind-stress formulations including Smith and Banke (1975) and Charnock (1955). It has been demonstrated that Smith and Banke can be well-approximated by a constant Charnock parameter, but this varies with location. In order to get a single parameterisation that works with wavecoupling the wave-derived surface roughness length has been imposed in the surge model. One of the largest surge events that occurred at Liverpool in the last 10 years, in January 2007, has also been simulated to validate this model set up to demonstrate its robust application in the Liverpool Bay area.

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Section: Representing the Wind-stressmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Coupled wave and surge modelling for the eastern Irish Sea and implications for model wind-stress

Brown

Wolf

2009

Continental Shelf Research

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“…A tide-surge-wave model (POLCOMS-WAM) of Liverpool Bay, UK, has been modified to 575 include radiation stress using the 2D method of Mastenbroek et al (1993). The results have been 576 used to consider the impact of radiation stress across this region.…”

Section: Conclusion 574mentioning

confidence: 99%

“…However, these 174 latter methods can lead to spurious accelerations in intermediate water depths (Bennis et press) and has led to further developments (Mellor, 2013). We therefore investigate the validity of 178 using the 2D radiation stress terms of Mastenbroek et al (1993) as a robust alternative. Ozer et al 179 (2000) incorporated calculation of this 2D radiation stress term within WAM.…”

mentioning

confidence: 99%