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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. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1463-5003 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 1001 | ||
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| Author | Zavala-Hidalgo, J; Pares-Sierra, A; Ochoa, J | ||||
| Title | Seasonal variability of the temperature and heat fluxes in the Gulf of Mexico | Type | $loc['typeJournal Article'] | ||
| Year | 2002 | Publication | Atmosfera | Abbreviated Journal | |
| Volume | 15 | Issue | 2 | Pages | 81-104 |
| Keywords | Gulf of Mexico; heat fluxes; numerical model; sea surface temperature; seasonal variability | ||||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 498 | ||
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| Author | McNaught, C. | ||||
| Title | The Increasing Intensity and Frequency of ENSO and its Impacts to the Southeast U.S. | Type | $loc['typeManuscript'] | ||
| Year | 2014 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | ENSO; El-Nino; climate; meteorology; southeast climate; weather; time series; sea-surface temperatures; La-Nina | ||||
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| Address | Department of Earth, Ocean and Atmospheric Science | ||||
| Corporate Author | Thesis | $loc['Bachelor's thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Call Number | COAPS @ mfield @ | Serial | 165 | ||
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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 | ||||
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| 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 | |
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| Call Number | COAPS @ mfield @ | Serial | 161 | ||
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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 | ||||
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| Address | Department of Earth, Ocean and Atmospheric Science | ||||
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| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Call Number | COAPS @ mfield @ | Serial | 162 | ||
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| Author | Weihs, R | ||||
| Title | Surface and Atmospheric Boundary Layer Responses to Diurnal Variations of Sea Surface Temperature in an NWP Model | Type | $loc['typeManuscript'] | ||
| Year | 2016 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Marine Boundary Layer; Numerical Weather Prediction; Sea Surface Temperature | ||||
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| Address | Department of Earth, Ocean, and Atmospheric Science | ||||
| Corporate Author | Thesis | $loc['Ph.D. thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 339 | ||
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| Author | Gilford, D.M.; Smith, S.R.; Griffin, M.L.; Arguez, A. | ||||
| Title | Southeastern U.S. Daily Temperature Ranges Associated with the El Niño-Southern Oscillation | Type | $loc['typeJournal Article'] | ||
| Year | 2013 | Publication | Journal of Applied Meteorology and Climatology | Abbreviated Journal | J. Appl. Meteor. Climatol. |
| Volume | 52 | Issue | 11 | Pages | 2434-2449 |
| Keywords | Climate variability; Climatology; ENSO; Surface temperature; Climate records | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1558-8424 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 180 | ||
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| Author | Rudzin, J.E.; Morey, S.L.; Bourassa, M.A.; Smith, S.R. | ||||
| Title | The Influence of Loop Current Position on Winter Sea Surface Temperatures in the Florida Straits | Type | $loc['typeJournal Article'] | ||
| Year | 2013 | Publication | Earth Interactions | Abbreviated Journal | Earth Interact. |
| Volume | 17 | Issue | 16 | Pages | 1-9 |
| Keywords | Air-sea interaction; Florida Straits; Loop Current; Sea surface temperature; CAO; Atlantic sailfish | ||||
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| ISSN | 1087-3562 | ISBN | Medium | ||
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| Funding | OVWST | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 182 | ||
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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 | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0027-0644 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 698 | ||
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| Author | Steffen, J.; Bourassa, M. | ||||
| Title | Barrier Layer Development Local to Tropical Cyclones based on Argo Float Observations | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Journal of Physical Oceanography | Abbreviated Journal | J. Phys. Oceanogr. |
| Volume | 48 | Issue | 9 | Pages | 1951-1968 |
| Keywords | SEA-SURFACE TEMPERATURE; UPPER-OCEAN RESPONSE; NINO SOUTHERN-OSCILLATION; MIXED-LAYER; INDIAN-OCEAN; HEAT-BUDGET; NUMERICAL SIMULATIONS; HURRICANES; VARIABILITY; PACIFIC | ||||
| Abstract | The objective of this study is to quantify barrier layer development due to tropical cyclone (TC) passage using Argo float observations of temperature and salinity. To accomplish this objective, a climatology of Argo float measurements is developed from 2001 to 2014 for the Atlantic, eastern Pacific, and central Pacific basins. Each Argo float sample consists of a prestorm and poststorm temperature and salinity profile pair. In addition, a no-TC Argo pair dataset is derived for comparison to account for natural ocean state variability and instrument sensitivity. The Atlantic basin shows a statistically significant increase in barrier layer thickness (BLT) and barrier layer potential energy (BLPE) that is largely attributable to an increase of 2.6 m in the post-TC isothermal layer depth (ITLD). The eastern Pacific basin shows no significant changes to any barrier layer characteristic, likely due to a shallow and highly stratified pycnocline. However, the near-surface layer freshens in the upper 30 m after TC passage, which increases static stability. Finally, the central Pacific has a statistically significant freshening in the upper 20-30 m that increases upper-ocean stratification by similar to 35%. The mechanisms responsible for increases in BLPE vary between the Atlantic and both Pacific basins; the Atlantic is sensitive to ITLD deepening, while the Pacific basins show near-surface freshening to be more important in barrier layer development. In addition, Argo data subsets are used to investigate the physical relationships between the barrier layer and TC intensity, TC translation speed, radial distance from TC center, and time after TC passage. | ||||
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| ISSN | 0022-3670 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 970 | ||
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