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Author Ali, A.; Christensen, K.H.; Breivik, Ø.; Malila, M.; Raj, R.P.; Bertino, L.; Chassignet, E.P.; Bakhoday-Paskyabi, M.
Title A comparison of Langmuir turbulence parameterizations and key wave effects in a numerical model of the North Atlantic and Arctic Oceans Type $loc['typeJournal Article']
Year 2019 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 137 Issue Pages 76-97
Keywords Langmuir mixing parameterization Mixed layer depth Sea surface temperature Ocean heat content Stokes penetration depth
Abstract Five different parameterizations of Langmuir turbulence (LT) effect are investigated in a realistic model of the North Atlantic and Arctic using realistic wave forcing from a global wave hindcast. The parameterizations mainly apply an enhancement to the turbulence velocity scale, and/or to the entrainment buoyancy flux in the surface boundary layer. An additional run is also performed with other wave effects to assess the relative importance of Langmuir turbulence, namely the Coriolis-Stokes forcing, Stokes tracer advection and wave-modified momentum fluxes. The default model (without wave effects) underestimates the mixed layer depth in summer and overestimates it at high latitudes in the winter. The results show that adding LT mixing reduces shallow mixed layer depth (MLD) biases, particularly in the subtropics all year-around, and in the Nordic Seas in summer. There is overall a stronger relative impact on the MLD during winter than during summer. In particular, the parameterization with the most vigorous LT effect causes winter MLD increases by more than 50% relative to a control run without Langmuir mixing. On the contrary, the parameterization which assumes LT effects on the entrainment buoyancy flux and accounts for the Stokes penetration depth is able to enhance the mixing in summer more than in winter. This parametrization is also distinct from the others because it restrains the LT mixing in regions of deep MLD biases, so it is the preferred choice for our purpose. The different parameterizations do not change the amplitude or phase of the seasonal cycle of heat content but do influence its long-term trend, which means that the LT can influence the drift of ocean models. The combined impact on water mass properties from the Coriolis-Stokes force, the Stokes drift tracer advection, and the wave-dependent momentum fluxes is negligible compared to the effect from the parameterized Langmuir turbulence.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1463-5003 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ user @ Serial 1001
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Author Ali, M.M.; Nagamani, P.V.; Sharma, N.; Venu Gopal, R.T.; Rajeevan, M.; Goni, G.J.; Bourassa, M.A.
Title Relationship between ocean mean temperatures and Indian summer monsoon rainfall Type $loc['typeJournal Article']
Year 2015 Publication Atmospheric Science Letters Abbreviated Journal Atmos. Sci. Lett.
Volume 16 Issue 3 Pages 408-413
Keywords ocean mean temperature; Indian summer monsoon rainfall; remote sensing; sea surface height anomaly
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1530261X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 94
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Author Arruda, W.Z.; Campos, E.J.D.; Zharkov, V.; Soutelino, R.G.; da Silveira, I.C.A.
Title Events of equatorward translation of the Vitoria Eddy Type $loc['typeJournal Article']
Year 2013 Publication Continental Shelf Research Abbreviated Journal Continental Shelf Research
Volume 70 Issue Pages 61-73
Keywords Vitoria Eddy; Vitoria-Trindade ridge; Brazil Current; South Atlantic; Sea Surface Height; Altimetry
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0278-4343 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 179
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Author Glazer, R. H.
Title The Influence of Mesoscale Sea Surface Temperature Gradients on Tropical Cyclones Type $loc['typeManuscript']
Year 2014 Publication Abbreviated Journal
Volume Issue Pages
Keywords Air-Sea Interaction; Numerical Modeling; Sea Surface Temperature; Tropical Cyclones; Tropical Meteorology
Abstract
Address Department of Earth, Ocean, and Atmospheric Science
Corporate Author Thesis $loc['Master's thesis']
Publisher Florida State University Place of Publication Tallahassee, FL Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 161
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Author Hart, R.E.; Maue, R.N.; Watson, M.C.
Title Estimating Local Memory of Tropical Cyclones through MPI Anomaly Evolution Type $loc['typeJournal Article']
Year 2007 Publication Monthly Weather Review Abbreviated Journal Mon. Wea. Rev.
Volume 135 Issue 12 Pages 3990-4005
Keywords Hurricanes; Tropical cyclones; Sea surface temperature; Stability
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0027-0644 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 698
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Author Hiester, H.R.; Morey, S.L.; Dukhovskoy, D.S.; Chassignet, E.P.; Kourafalou, V.H.; Hu, C.
Title A topological approach for quantitative comparisons of ocean model fields to satellite ocean color data Type $loc['typeJournal Article']
Year 2016 Publication Methods in Oceanography Abbreviated Journal Methods in Oceanography
Volume 17 Issue Pages 232-250
Keywords Satellite data; Ocean model; Ocean color; Sea surface salinity; Shape comparison; Hausdorff distance
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2211-1220 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 78
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Author Hughes, P. J.
Title The Influence of Small-Scale Sea Surface Temperature Gradients on Surface Vector Winds and Subsequent Impacts on Oceanic Ekman Pumping Type $loc['typeManuscript']
Year 2014 Publication Abbreviated Journal
Volume Issue Pages
Keywords Air-Sea Interaction; Sea Surface Temperature Gradients; SST-wind relationship; Surface Vector Winds
Abstract
Address Department of Earth, Ocean and Atmospheric Science
Corporate Author Thesis
Publisher Florida State University Place of Publication Tallahassee, FL Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 162
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Author Krishnamurthy, V.; Misra, V.
Title Observed ENSO teleconnections with the South American monsoon system Type $loc['typeJournal Article']
Year 2010 Publication Atmospheric Science Letters Abbreviated Journal Atmos. Sci. Lett.
Volume Issue Pages
Keywords ENSO; South America; monsoon variability; sea surface temperature
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1530261X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 351
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Author Murty, V.S.N.
Title A new technique for the estimation of sea surface salinity in the tropical Indian Ocean from OLR Type $loc['typeJournal Article']
Year 2004 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 109 Issue C12 Pages
Keywords sea surface salinity; tropical Indian Ocean; outgoing longwave radiation; effective oceanic layer; 1997-1998 El Nino event; interannual variability
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 453
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Author Nyadjro, E.S.; Jensen, T.G.; Richman, J.G.; Shriver, J.F.
Title On the Relationship Between Wind, SST, and the Thermocline in the Seychelles-Chagos Thermocline Ridge Type $loc['typeJournal Article']
Year 2017 Publication IEEE Geoscience and Remote Sensing Letters Abbreviated Journal IEEE Geosci. Remote Sensing Lett.
Volume 14 Issue 12 Pages 2315-2319
Keywords Altimetry; HYbrid Coordinate Ocean Model (HYCOM); Indian Ocean Dipole (IOD); ocean-atmosphere coupling; Rossby waves; sea surface temperature (SST); thermocline depth; winds
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1545-598X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 465
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