Baroclinic energy flux at the continental shelf edge modified by wind-mixing
Stephenson, Gordon R.; Hopkins, Joanne E. 
ORCID: https://orcid.org/0000-0003-1504-3671; Green, J.A. Mattias; Inall, Mark E.; Palmer, Matthew R..
2015
Baroclinic energy flux at the continental shelf edge modified by wind-mixing.
Geophysical Research Letters, 42 (6).
1826-1833.
https://doi.org/10.1002/2014GL062627
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Text (Open Access paper)
grl52646.pdf - Published Version Available under License Creative Commons Attribution 4.0. Download (2MB) | Preview |
Abstract/Summary
Temperature and current measurements from two moorings onshore of the Celtic Sea shelf break, a well-known hot spot for tidal energy conversion, show the impact of passing summer storms on the baroclinic wavefield. Wind-driven vertical mixing changed stratification to permit an increased on-shelf energy transport, and baroclinic energy in the semidiurnal band appeared at the moorings 1–4 days after the storm mixed the upper 50 m of the water column. The timing of the maximum in the baroclinic energy flux is consistent with the propagation of the semidiurnal internal tide from generation sites at the shelf break to the moorings 40 km away. Also, the ∼3 day duration of the peak in M2 baroclinic energy flux at the moorings corresponds to the restratification time scale following the first storm.
| Item Type: | Publication - Article |
|---|---|
| Digital Object Identifier (DOI): | https://doi.org/10.1002/2014GL062627 |
| ISSN: | 00948276 |
| Additional Keywords: | internal tide; baroclinic energy flux; storm-driven mixing; critical slope; Celtic Sea |
| NORA Subject Terms: | Marine Sciences |
| Date made live: | 20 Mar 2015 11:01 +0 (UTC) |
| URI: | https://nora.nerc.ac.uk/id/eprint/510237 |
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