| Records |
Author  |
Kara, A.B.; Wallcraft, A.J.; Martin, P.J.; Chassignet, E.P. |
| Title |
Performance of mixed layer models in simulating SST in the equatorial Pacific Ocean |
Type |
$loc['typeJournal Article'] |
| Year |
2008 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
| Volume |
113 |
Issue |
C2 |
Pages |
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| ISSN |
0148-0227 |
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$loc['no'] |
| Call Number |
COAPS @ mfield @ |
Serial |
415 |
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| Author |
LaCasce, J.H.; Escartin, J.; Chassignet, E.P.; Xu, X. |
| Title |
Jet instability over smooth, corrugated and realistic bathymetry |
Type |
$loc['typeJournal Article'] |
| Year |
2018 |
Publication |
Journal of Physical Oceanography |
Abbreviated Journal |
J. Phys. Oceanogr. |
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| Abstract |
The stability of a horizontally- and vertically-sheared surface jet is examined, with a focus on the vertical structure of the resultant eddies. Over a flat bottom, the instability is mixed baroclinic/barotropic, producing strong eddies at depth which are characteristically shifted downstream relative to the surface eddies. Baroclinic instability is suppressed over a large slope for retrograde jets (with a flow anti-parallel to topographic wave propagation), and to a lesser extent for prograde jets (with flow parallel to topographic wave propagation), as seen previously. In such cases, barotropic (lateral) instability dominates if the jet is sufficiently narrow. This yields surface eddies whose size is independent of the slope but proportional to the jet width. Deep eddies still form, forced by interfacial motion associated with the surface eddies, but they are weaker than under baroclinic instability and are vertically aligned with the surface eddies. A sinusoidal ridge acts similarly, suppressing baroclinic instability and favoring lateral instability in the upper layer.
A ridge with a 1 km wavelength and an amplitude of roughly 10 m is sufficient to suppress baroclinic instability. Surveys of bottom roughness from bathymetry acquired with shipboard multibeam echosounding reveal that such heights are common, beneath the Kuroshio, the Antarctic Circumpolar Current and, to a lesser extent, the Gulf Stream. Consistent with this, vorticity and velocity cross sections from a 1/50° HYCOM simulation suggest that Gulf Stream eddies are vertically aligned, as in the linear stability calculations with strong topography. Thus lateral instability may be more common than previously thought, due to topography hindering vertical energy transfer. |
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0022-3670 |
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$loc['no'] |
| Call Number |
COAPS @ user @ |
Serial |
998 |
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LaRow, T.E.; Lim, Y.-K.; Shin, D.W.; Chassignet, E.P.; Cocke, S. |
| Title |
Atlantic Basin Seasonal Hurricane Simulations |
Type |
$loc['typeJournal Article'] |
| Year |
2008 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
| Volume |
21 |
Issue |
13 |
Pages |
3191-3206 |
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| ISSN |
0894-8755 |
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$loc['no'] |
| Call Number |
COAPS @ mfield @ |
Serial |
409 |
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| Author |
Le Sommer, Julien; Chassignet, E.P.; Wallcraft, A. J. |
| Title |
Ocean Circulation Modeling for Operational Oceanography: Current Status and Future Challenges |
Type |
$loc['typeBook Chapter'] |
| Year |
2018 |
Publication |
New Frontiers in Operational Oceanography |
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Pages |
289-305 |
| Keywords |
OCEAN MODELING; OCEAN CIRCULATION; PARAMETERIZATIONS |
| Abstract |
This chapter focuses on ocean circulation models used in operational oceanography, physical oceanography and climate science. Ocean circulation models area particular branch of ocean numerical modeling that focuses on the representation of ocean physical properties over spatial scales ranging from the global scale to less than a kilometer and time scales ranging from hours to decades. As such, they are an essential build-ing block for operational oceanography systems and their design receives a lot of attention from operational and research centers. |
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GODAE OceanView |
Place of Publication |
Tallahassee, FL |
Editor |
Chassignet, E. P., A. Pascual, J. Tintoré, and J. Verron |
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$loc['no'] |
| Call Number |
COAPS @ user @ |
Serial |
948 |
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Legg, S.; Briegleb, B.; Chang, Y.; Chassignet, E.P.; Danabasoglu, G.; Ezer, T.; Gordon, A.L.; Griffies, S.; Hallberg, R.; Jackson, L.; Large, W.; Özgökmen, T.M.; Peters, H.; Price, J.; Riemenschneider, U.; Wu, W.; Xu, X.; Yang, J. |
| Title |
Improving Oceanic Overflow Representation in Climate Models: The Gravity Current Entrainment Climate Process Team |
Type |
$loc['typeJournal Article'] |
| Year |
2009 |
Publication |
Bulletin of the American Meteorological Society |
Abbreviated Journal |
Bull. Amer. Meteor. Soc. |
| Volume |
90 |
Issue |
5 |
Pages |
657-670 |
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0003-0007 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
683 |
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Lim, Y.-K.; Shin, D.W.; Cocke, S.; LaRow, T.E.; Schoof, J.T.; O'Brien, J.J.; Chassignet, E.P. |
| Title |
Dynamically and statistically downscaled seasonal simulations of maximum surface air temperature over the southeastern United States |
Type |
$loc['typeJournal Article'] |
| Year |
2007 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
| Volume |
112 |
Issue |
D24 |
Pages |
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| Keywords |
downscaling; temperature; regional climate |
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0148-0227 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
700 |
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| Author |
Lu, J.; Chassignet, E. P.; Yin, J.; Misra, V.; Michael, J.-P. |
| Title |
Comparison of HYCOM and POP models in the CCSM3.0 Framework. Part I: Modes of climate variability beyond ENSO |
Type |
$loc['typeManuscript'] |
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2013 |
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COAPS @ mfield @ |
Serial |
219 |
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MacKinnon, J.A.; Alford, M.H.; Ansong, J.K.; Arbic, B.K.; Barna, A.; Briegleb, B.P.; Bryan, F.O.; Buijsman, M.C.; Chassignet, E.P.; Danabasoglu, G.; Diggs, S.; Griffies, S.M.; Hallberg, R.W.; Jayne, S.R.; Jochum, M.; Klymak, J.M.; Kunze, E.; Large, W.G.; Legg, S.; Mater, B.; Melet, A.V.; Merchant, L.M.; Musgrave, R.; Nash, J.D.; Norton, N.J.; Pickering, A.; Pinkel, R.; Polzin, K.; Simmons, H.L.; St. Laurent, L.C.; Sun, O.M.; Trossman, D.S.; Waterhouse, A.F.; Whalen, C.B.; Zhao, Z. |
| Title |
Climate Process Team on Internal-Wave Driven Ocean Mixing |
Type |
$loc['typeJournal Article'] |
| Year |
2017 |
Publication |
Bulletin of the American Meteorological Society |
Abbreviated Journal |
Bull. Amer. Meteor. Soc. |
| Volume |
98 |
Issue |
11 |
Pages |
2429-2454 |
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0003-0007 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
66 |
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Magaldi, M.G.; Özgökmen, T.M.; Griffa, A.; Chassignet, E.P.; Iskandarani, M.; Peters, H. |
| Title |
Turbulent flow regimes behind a coastal cape in a stratified and rotating environment |
Type |
$loc['typeJournal Article'] |
| Year |
2008 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
| Volume |
25 |
Issue |
1-2 |
Pages |
65-82 |
| Keywords |
Cape; Headland; Eddy generation; Modeling; Form drag; Mixing |
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1463-5003 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
417 |
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| Author |
Michael, J.-P.; Misra, V.; Chassignet, E. P.; Lu, J. |
| Title |
Comparison of HYCOM and POP models in the CCSM3.0 Framework. Part II: ENSO fidelity |
Type |
$loc['typeManuscript'] |
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2013 |
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$loc['no'] |
| Call Number |
COAPS @ mfield @ |
Serial |
220 |
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