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Author Goni, G.; DeMaria, M.; Knaff, J.; Sampson, C.; Ginis, I.; Bringas, F.; Mavume, A.; Lauer, C.; Lin, I.I.; Ali, M.M.; Sandery, P.; Ramos-Buarque, S.; Kang, K.R.; Mehra, A.; Chassignet, E.; Halliwell, G.
Title Applications of Satellite-Derived Ocean Measurements to Tropical Cyclone Intensity Forecasting Type $loc['typeJournal Article']
Year 2009 Publication Oceanography Abbreviated Journal Oceanog.
Volume 22 Issue 3 Pages 190-197
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Series Volume Series Issue Edition
ISSN 1042-8275 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 384
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Author Hurlburt, HE: Metzger, EJ; Richman, JG; Chassignet, EP; Drillet, Y; Hecht, MW; Le Galloudec, O; Shriver, JF; Xu, X; Zamudio, L
Title Dynamical Evaluation of Ocean Models Using the Gulf Stream as an Example Type $loc['typeBook Chapter']
Year 2011 Publication Operational Oceanography in the 21st Century Abbreviated Journal
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Publisher Springer Place of Publication Dordrecht Editor Schiller A., Brassington G.
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 321
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Author Chassignet, EP
Title Isopycnic and Hybrid Ocean Modeling in the Context of GODAE Type $loc['typeBook Chapter']
Year 2011 Publication Operational Oceanography in the 21st Century Abbreviated Journal
Volume Issue Pages 263-293
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Corporate Author Thesis
Publisher Place of Publication Editor Schiller, A; Brassington, GB
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 317
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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.
Volume Issue Pages
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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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ISSN 0022-3670 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ user @ Serial 998
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Author Stukel, M.R.; Biard, T.; Krause, J.W.; Ohman, M.D.
Title Large Phaeodaria in the twilight zone: Their role in the carbon cycle Type $loc['typeJournal Article']
Year 2018 Publication Association for the Sciences of Limnology and Oceanography Abbreviated Journal
Volume Issue Pages
Keywords Carbon cycle; Ocean; Twilight zone, Rhizarian measurements; Aulosphaeridae
Abstract Advances in in situ imaging allow enumeration of abundant populations of large Rhizarians that compose a substantial proportion of total mesozooplankton biovolume. Using a quasi-Lagrangian sampling scheme, we quantified the abundance, vertical distributions, and sinking&#8208;related mortality of Aulosphaeridae, an abundant family of Phaeodaria in the California Current Ecosystem. Inter&#8208;cruise variability was high, with average concentrations at the depth of maximum abundance ranging from < 10 to > 300 cells m&#8722;3, with seasonal and interannual variability associated with temperature&#8208;preferences and regional shoaling of the 10°C isotherm. Vertical profiles showed that these organisms were consistently most abundant at 100&#65533;150&#8201;m depth. Average turnover times with respect to sinking were 4.7&#65533;10.9 d, equating to minimum in situ population growth rates of ~ 0.1&#65533;0.2 d&#8722;1. Using simultaneous measurements of sinking organic carbon, we find that these organisms could only meet their carbon demand if their carbon : volume ratio were ~ 1 &#956;g C mm&#8722;3. This value is substantially lower than previously used in global estimates of rhizarian biomass, but is reasonable for organisms that use large siliceous tests to inflate their cross&#8208;sectional area without a concomitant increase in biomass. We found that Aulosphaeridae alone can intercept > 20% of sinking particles produced in the euphotic zone before these particles reach a depth of 300&#8201;m. Our results suggest that the local (and likely global) carbon biomass of Aulosphaeridae, and probably the large Rhizaria overall, needs to be revised downwards, but that these organisms nevertheless play a major role in carbon flux attenuation in the twilight zone.
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Funding Approved $loc['yes']
Call Number COAPS @ user @ Serial 967
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Author Brassington, G.B.; Martin, M.J.; Tolman, H.L.; Akella, S.; Balmeseda, M.; Chambers, C.R.S.; Chassignet, E.; Cummings, J.A.; Drillet, Y.; Jansen, P.A.E.M.; Laloyaux, P.; Lea, D.; Mehra, A.; Mirouze, I.; Ritchie, H.; Samson, G.; Sandery, P.A.; Smith, G.C.; Suarez, M.; Todling, R.
Title Progress and challenges in short- to medium-range coupled prediction Type $loc['typeJournal Article']
Year 2015 Publication Journal of Operational Oceanography Abbreviated Journal Journal of Operational Oceanography
Volume 8 Issue sup2 Pages s239-s258
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ISSN 1755-876X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 96
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Author Stukel, M. R.; Song, H.; Goericke, R.; Miller, A.J.
Title The role of subduction and gravitational sinking in particle export, carbon sequestration, and the remineralization length scale in the California Current Ecosystem Type $loc['typeJournal Article']
Year 2018 Publication Limnology and Oceanography Abbreviated Journal
Volume 63 Issue 1 Pages 363-383
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 362
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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
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Series Volume Series Issue Edition
ISSN 2211-1220 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 78
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Author Manghnani, V.; Morrison, J.M.; Xie, L.; Subrahmanyam, B.
Title Heat transports in the Indian Ocean estimated from TOPEX/POSEIDON altimetry and model simulations Type $loc['typeJournal Article']
Year 2002 Publication Deep Sea Research Part II: Topical Studies in Oceanography Abbreviated Journal Deep Sea Research Part II: Topical Studies in Oceanography
Volume 49 Issue 7-8 Pages 1459-1480
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ISSN 0967-0645 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 832
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Author Thoppil, P.G.; Metzger, E.J.; Hurlburt, H.E.; Smedstad, O.M.; Ichikawa, H.
Title The current system east of the Ryukyu Islands as revealed by a global ocean reanalysis Type $loc['typeJournal Article']
Year 2016 Publication Progress in Oceanography Abbreviated Journal Progress in Oceanography
Volume 141 Issue Pages 239-258
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0079-6611 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 54
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