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Kvaleberg, E | ||||
| Title | Generation of Cold Core Filaments and Eddies Through Baroclinic Instability on a Continental Shelf | Type | $loc['typeManuscript'] | ||
| Year | 2004 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Eddies, Baroclinic Instability, Filaments, Numerical Modeling, Shelf | ||||
| Abstract | The formation of cold core filaments on an idealized continental shelf is investigated using a numerical model to simulate the ocean's response to surface cooling. A horizontal density gradient forms because of uneven buoyancy loss due to the sloping bottom, and this gradient induces an alongshelf current in thermal wind balance, that in time becomes unstable. As the instabilities grow, filaments, and later eddies, are generated so that dense water near the coast is mixed offshore. Scaling arguments of the filament wavelength indicate that the current is baroclinically unstable, and an analytical model of the frontal expansion with time is in very good agreement with the simulations. This study was inspired by satellite observations of sea surface temperature on the West Florida Shelf during the winter months, in which it is clearly seen that cold core filaments extend from a thermal front. Numerical experiments are therefore designed to allow for reliable comparisons with conditions in this region. | ||||
| Address | Department of Oceanography | ||||
| 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 | 592 | ||
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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 | Abbreviated Journal | |
| Volume | Issue | 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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| Publisher | GODAE OceanView | Place of Publication | Tallahassee, FL | Editor | Chassignet, E. P., A. Pascual, J. Tintoré, and J. Verron |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 948 | ||
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| Author |
Li, H.; Kanamitsu, M.; Hong, S.-Y. | ||||
| Title | California reanalysis downscaling at 10 km using an ocean-atmosphere coupled regional model system | Type | $loc['typeJournal Article'] | ||
| Year | 2012 | Publication | Journal of Geophysical Research: Atmospheres | Abbreviated Journal | J. Geophys. Res. |
| Volume | 117 | Issue | D12 | Pages | |
| Keywords | climate change; coupled model; reanalysis; upwelling; regional climate; regional ocean model | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0148-0227 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 265 | ||
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| Author |
Li, H.; Kanamitsu, M.; Hong, S.-Y.; Yoshimura, K.; Cayan, D.R.; Misra, V. | ||||
| Title | A high-resolution ocean-atmosphere coupled downscaling of the present climate over California | Type | $loc['typeJournal Article'] | ||
| Year | 2014 | Publication | Climate Dynamics | Abbreviated Journal | Clim Dyn |
| Volume | 42 | Issue | 3-4 | Pages | 701-714 |
| Keywords | Regional climate; Coupled model; Ocean-atmosphere interaction; CCSM3; RSM; ROMS | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0930-7575 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 136 | ||
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| Author |
Liu, B.; Zhou, T.; Lu, J. | ||||
| Title | Quantifying contributions of model processes to the surface temperature bias in FGOALS-g2 | Type | $loc['typeJournal Article'] | ||
| Year | 2015 | Publication | Journal of Advances in Modeling Earth Systems | Abbreviated Journal | J. Adv. Model. Earth Syst. |
| Volume | 7 | Issue | 4 | Pages | 1519-1533 |
| Keywords | model bias; process-based decomposition; CFRAM | ||||
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| ISSN | 1942-2466 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 106 | ||
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| Author |
Luecke, C.A.; Arbic, B.K.; Bassette, S.L.; Richman, J.G.; Shriver, J.F.; Alford, M.H.; Smedstad, O.M.; Timko, P.G.; Trossman, D.S.; Wallcraft, A.J. | ||||
| Title | The Global Mesoscale Eddy Available Potential Energy Field in Models and Observations | Type | $loc['typeJournal Article'] | ||
| Year | 2017 | Publication | Journal of Geophysical Research: Oceans | Abbreviated Journal | J. Geophys. Res. Oceans |
| Volume | 122 | Issue | 11 | Pages | 9126-9143 |
| Keywords | eddy available potential energy; mesoscale eddies; mixing; model-data comparison; ocean energy reservoirs; Argo | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 2169-9275 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 464 | ||
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| Author |
Luecke, C.A.; Arbic, B.K.; Bassette, S.L.; Richman, J.G.; Shriver, J.F.; Alford, M.H.; Smedstad, O.M.; Timko, P.G.; Trossman, D.S.; Wallcraft, A.J. | ||||
| Title | The Global Mesoscale Eddy Available Potential Energy Field in Models and Observations: GLOBAL LOW-FREQUENCY EDDY APE | Type | $loc['typeJournal Article'] | ||
| Year | 2017 | Publication | Journal of Geophysical Research: Oceans | Abbreviated Journal | J. Geophys. Res. Oceans |
| Volume | 122 | Issue | 11 | Pages | 9126-9143 |
| Keywords | eddy available potential energy; mesoscale eddies; mixing; model‐ data comparison; ocean energy reservoirs; Argo | ||||
| Abstract | Global maps of the mesoscale eddy available potential energy (EAPE) field at a depth of 500 m are created using potential density anomalies in a high‐resolution 1/12.5° global ocean model. Maps made from both a free‐running simulation and a data‐assimilative reanalysis of the HYbrid Coordinate Ocean Model (HYCOM) are compared with maps made by other researchers from density anomalies in Argo profiles. The HYCOM and Argo maps display similar features, especially in the dominance of western boundary currents. The reanalysis maps match the Argo maps more closely, demonstrating the added value of data assimilation. Global averages of the simulation, reanalysis, and Argo EAPE all agree to within about 10%. The model and Argo EAPE fields are compared to EAPE computed from temperature anomalies in a data set of “moored historical observations” (MHO) in conjunction with buoyancy frequencies computed from a global climatology. The MHO data set allows for an estimate of the EAPE in high‐frequency motions that is aliased into the Argo EAPE values. At MHO locations, 15–32% of the EAPE in the Argo estimates is due to aliased motions having periods of 10 days or less. Spatial averages of EAPE in HYCOM, Argo, and MHO data agree to within 50% at MHO locations, with both model estimates lying within error bars observations. Analysis of the EAPE field in an idealized model, in conjunction with published theory, suggests that much of the scatter seen in comparisons of different EAPE estimates is to be expected given the chaotic, unpredictable nature of mesoscale eddies. | ||||
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| ISSN | 2169-9275 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ rl18 @ | Serial | 992 | ||
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| Author |
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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| Series Volume | Series Issue | Edition | |||
| ISSN | 1463-5003 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 417 | ||
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| Author |
Mahalakshmi, DV; Paul, A; Dutta, D; Ali, MM; Dadhwal, VK; REddy, RS; Jha, CD; Sharma, JR | ||||
| Title | Estimation of net surface radiation using eddy flux tower data over a tropical mangrove forest of Sundarban, West Bengal | Type | $loc['typeJournal Article'] | ||
| Year | 2016 | Publication | Geofizika | Abbreviated Journal | |
| Volume | 33 | Issue | 1 | Pages | 1-14 |
| Keywords | net surface radiation; artificial neural network; linear model; eddy flux tower | ||||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 42 | ||
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| Author |
Michael, J-P | ||||
| Title | ENSO Fidelity in Two Coupled Models | Type | $loc['typeManuscript'] | ||
| Year | 2010 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | General Circulation Model, El Nino, Coupled Model, Climate Model, ENSO | ||||
| Abstract | This study examines the fidelity of the ENSO simulation in two coupled model integrations and compares this with available global ocean data assimilation. The two models are CAM-HYCOM coupled model developed by the HYCOM Consortium and CCSM3.0. The difference between the two climate models is in the use of different ocean general circulation model (OGCM). The hybrid isopycnal-sigma-pressure coordinate ocean model Hybrid Coordinate Ocean Model (HYCOM) replaces the ocean model Parallel Ocean Program (POP) of the CCSM3.0. In both, the atmospheric general circulation model (AGCM) Community Atmosphere Model (CAM) is used. In this way the coupled systems are compared in a controlled setting so that the effects of the OGCM may be obtained. Henceforth the two models will be referred to as CAM-HYCOM and CAM-POP respectively. Comparison of 200 years of model output is used discarding the first 100 years to account for spin-up issues. Both models (CAM-HYCOM and CAM-POP) are compared to observational data for duration, intensity, and global impacts of ENSO. Based on the analysis of equatorial SST, thermocline depth, wind stress and precipitation, ENSO in the CAM-HYCOM model is weaker and farther east than observations while CAM-POP is zonal and extends west of the international dateline. CAM-POP also has an erroneous biennial cycle of the equatorial pacific SSTs. The analysis of the subsurface ocean advective terms highlights the problems of the model simulations. | ||||
| 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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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 576 | ||
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