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Author Gonçalves, R.C. ; Iskandarani, M. ; Srinivasan, A. ; Thacker, W.C. ; Chassignet, E. ; Knio, O.M.
Title A framework to quantify uncertainty in simulations of oil transport in the ocean Type $loc['typeJournal Article']
Year 2016 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 121
Issue 4
Pages 2058-2077
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ISSN 2169-9275
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Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 36
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Author Holthuijsen, L.H. ; Powell, M.D. ; Pietrzak, J.D.
Title Wind and waves in extreme hurricanes Type $loc['typeJournal Article']
Year 2012 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 117
Issue C9
Pages n/a-n/a
Keywords GPS sondes ; hurricanes ; swell ; wave breaking ; white caps ; wind drag
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 268
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Author Jackson, L.C. ; Dubois, C. ; Forget, G. ; Haines, K. ; Harrison, M. ; Iovino, D. ; Köhl, A. ; Mignac, D. ; Masina, S. ; Peterson, K.A. ; Piecuch, C.G. ; Roberts, C.D. ; Robson, J. ; Storto, A. ; Toyoda, T. ; Valdivieso, M. ; Wilson, C. ; Wang, Y. ; Zuo, H.
Title The Mean State and Variability of the North Atlantic Circulation: A Perspective From Ocean Reanalyses Type $loc['typeJournal Article']
Year 2019 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 124
Issue 12
Pages 8969-9003
Keywords
Abstract The transfer of Indian Ocean thermocline and intermediate waters into the South Atlantic via the Agulhas leakage is generally believed to be primarily accomplished through mesoscale eddy processes, essentially anticyclones known as Agulhas Rings. Here we take advantage of a recent eddy tracking algorithm and Argo float profiles to study the evolution and the thermohaline structure of one of these eddies over the course of 1.5 years (May 2013–November 2014). We found that during this period the ring evolved according to two different phases: During the first one, taking place in winter, the mixing layer in the eddy deepened significantly. During the second phase, the eddy subsided below the upper warmer layer of the South Atlantic subtropical gyre while propagating west. The separation of this eddy from the sea surface could explain the decrease in its surface signature in satellite altimetry maps, suggesting that such changes are not due to eddy dissipation processes. It is a very large eddy (7.1×1013 m3 in volume), extending, after subduction, from a depth of 200–1,200 m and characterized by two mode water cores. The two mode water cores represent the largest eddy heat and salt anomalies when compared with the surrounding. In terms of its impact over 1 year, the north‐westward propagation of this long‐lived anticyclone induces a transport of 2.2 Sv of water, 0.008 PW of heat, and 2.2×105 kg s−1 of salt. These results confirm that Agulhas Rings play a very important role in the Indo‐Atlantic interocean exchange of heat and salt.
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ISSN 2169-9275
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Call Number COAPS @ user @
Serial 1080
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Author Kranz, S.A. ; Wang, S. ; Kelly, T.B. ; Stukel, M.R. ; Goericke, R. ; Landry, M.R. ; Cassar, N.
Title Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region Type $loc['typeJournal Article']
Year 2020 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 125
Issue 6
Pages
Keywords gross primary production ; long‐ ; term ecological research ; equilibrium inlet mass spectrometry ; carbon export ; net community production
Abstract A multimethod process‐oriented investigation of diverse productivity measures in the California Current Ecosystem (CCE) Long‐Term Ecological Research study region, a complex physical environment, is presented. Seven multiday deployments covering a transition region from high to low productivity were conducted over two field expeditions (spring 2016 and summer 2017). Employing a Lagrangian study design, water parcels were followed over several days, comparing 24‐h in situ measurements (14C and 15NO3 ‐uptake, dilution estimates of phytoplankton growth, and microzooplankton grazing) with high‐resolution productivity measurements by fast repetition rate fluorometry (FRRF) and equilibrium inlet mass spectrometry (EIMS), and integrated carbon export measuremnts using sediment traps. Results show the importance of accounting for temporal and fine spatial scale variability when estimating ecosystem production. FRRF and EIMS measurements resolved diel patterns in gross primary and net community production. Diel productivity changes agreed well with comparably more traditional measurements. While differences in productivity metrics calculated over different time intervals were considerable, as those methods rely on different base assumptions, the data can be used to explain ecosystem processes which would otherwise have gone unnoticed. The processes resolved from this method comparison further understanding of temporal and spatial coupling and decoupling of surface productivity and potential carbon burial in a gradient from coastal to offshore ecosystems.
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ISSN 2169-9275
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Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1113
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Author Latif, M. ; Anderson, D. ; Barnett, T. ; Cane, M. ; Kleeman, R. ; Leetmaa, A. ; O'Brien, J. ; Rosati, A. ; Schneider, E.
Title A review of the predictability and prediction of ENSO Type $loc['typeJournal Article']
Year 1998 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 103
Issue C7
Pages 14375-14393
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Series Editor Series Title Abbreviated Series Title
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ISSN 0148-0227
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 746
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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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ISSN 2169-9275
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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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Call Number COAPS @ rl18 @
Serial 992
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Author Maksimova, E.V.
Title On the observed synoptic signal in the Mississippi-Alabama slope flow Type $loc['typeJournal Article']
Year 2017 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 122
Issue 1
Pages 185-192
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 2169-9275
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 26
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Author Mask, A.C. ; O'Brien, J.J. ; Preller, R.
Title Wind-driven effects on the Yellow Sea Warm Current Type $loc['typeJournal Article']
Year 1998 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 103
Issue C13
Pages 30713-30729
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Language Summary Language Original Title
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ISSN 0148-0227
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 770
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Author Meyers, S.D. ; Basu, S.
Title Eddies in the eastern Gulf of Alaska from TOPEX/POSEIDON altimetry Type $loc['typeJournal Article']
Year 1999 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 104
Issue C6
Pages 13333-13343
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0148-0227
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 526
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