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Author Ajayi, A. ; Le Sommer, J. ; Chassignet, E. ; Molines, J.-M. ; Xu, X. ; Albert, A. ; Cosme, E.
Title Spatial and Temporal Variability of the North Atlantic Eddy Field From Two Kilometric-Resolution Ocean Models Type $loc['typeJournal Article']
Year 2020 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 125
Issue 5
Pages
Keywords submesoscales ; fine‐ ; scales ; enstrophy ; eddies ; SWOT
Abstract Ocean circulation is dominated by turbulent geostrophic eddy fields with typical scales ranging from 10 to 300 km. At mesoscales (>50 km), the size of eddy structures varies regionally following the Rossby radius of deformation. The variability of the scale of smaller eddies is not well known due to the limitations in existing numerical simulations and satellite capability. Nevertheless, it is well established that oceanic flows (<50 km) generally exhibit strong seasonality. In this study, we present a basin‐scale analysis of coherent structures down to 10 km in the North Atlantic Ocean using two submesoscale‐permitting ocean models, a NEMO‐based North Atlantic simulation with a horizontal resolution of 1/60 (NATL60) and an HYCOM‐based Atlantic simulation with a horizontal resolution of 1/50 (HYCOM50). We investigate the spatial and temporal variability of the scale of eddy structures with a particular focus on eddies with scales of 10 to 100 km, and examine the impact of the seasonality of submesoscale energy on the seasonality and distribution of coherent structures in the North Atlantic. Our results show an overall good agreement between the two models in terms of surface wave number spectra and seasonal variability. The key findings of the paper are that (i) the mean size of ocean eddies show strong seasonality; (ii) this seasonality is associated with an increased population of submesoscale eddies (10�50 km) in winter; and (iii) the net release of available potential energy associated with mixed layer instability is responsible for the emergence of the increased population of submesoscale eddies in wintertime.
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ISSN 2169-9275
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Call Number COAPS @ user @
Serial 1104
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Author Basu, S. ; Meyers, S.D. ; O'Brien, J.J.
Title Annual and interannual sea level variations in the Indian Ocean from TOPEX/Poseidon observations and ocean model simulations Type $loc['typeJournal Article']
Year 2000 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 105
Issue C1
Pages 975-994
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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 521
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Author Bourassa, MA
Title Shear stress model for the aqueous boundary layer near the air-sea interface Type $loc['typeJournal Article']
Year 2000 Publication Journal of Geophysical Research – Oceans Abbreviated Journal
Volume 105
Issue C1
Pages 1167-1176
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Serial 522
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Author Bourassa, M.A. ; Legler, D.M. ; O'Brien, J.J. ; Smith, S.R.
Title SeaWinds validation with research vessels Type $loc['typeJournal Article']
Year 2003 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 108
Issue C2
Pages
Keywords remote sensing ; SeaWinds ; validation ; ocean ; winds
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ISSN 0148-0227
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Funding NASA, NSF, ONR
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 484
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Author Bourassa, M.A. ; Zamudio, L. ; O'Brien, J.J.
Title Noninertial flow in NSCAT observations of Tehuantepec winds Type $loc['typeJournal Article']
Year 1999 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 104
Issue C5
Pages 11311-11319
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ISSN 0148-0227
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Call Number COAPS @ mfield @
Serial 528
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Author Brzezinski, M.A. ; Krause, J.W. ; Bundy, R.M. ; Barbeau, K.A. ; Franks, P. ; Goericke, R. ; Landry, M.R. ; Stukel, M.R.
Title Enhanced silica ballasting from iron stress sustains carbon export in a frontal zone within the California Current Type $loc['typeJournal Article']
Year 2015 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 120
Issue 7
Pages 4654-4669
Keywords phytoplankton ; diatoms ; iron limitation ; nutrient ratios ; nutrient stoichiometry ; carbon export
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ISSN 2169-9275
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 97
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Author Buijsman, M. C. ; Arbic, B. K. ; Richman, J. G. ; Shriver, J. F. ; Wallcraft, A. J. ; Zamudio, L.
Title Semidiurnal internal tide incoherence in the equatorial Pacific Type $loc['typeJournal Article']
Year 2017 Publication Journal of Geophysical Research – Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 12
Issue 7
Pages 5286-5305
Keywords internal tide ; nonstationarity ; equatorial jets ; numerical modeling ; tides
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Serial 16
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Author Chakraborty, A. ; Sharma, R. ; Kumar, R. ; Basu, S.
Title An OGCM assessment of blended OSCAT winds Type $loc['typeJournal Article']
Year 2014 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 119
Issue 1
Pages 173-186
Keywords scatterometer ; ocean modeling ; EOF ; OSCAR ; MSLA ; EnOI
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ISSN 2169-9275
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 157
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Author Dukhovskoy, D ; Bourassa, M
Title Comparison of ocean surface wind products in the perspective of ocean modeling of the Nordic Seas Type $loc['typeConference Article']
Year 2011 Publication OCEANS 2011 Abbreviated Journal
Volume Issue Pages
Keywords scatterometer winds ; Arctic Ocean ; ocean modeling
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Area Expedition Conference MTS/IEEE OCEANS Conference
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Call Number COAPS @ mfield @
Serial 315
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Author Dukhovskoy, D.S. ; Bourassa, M.A. ; Petersen, G.N. ; Steffen, J.
Title Comparison of the ocean surface vector winds from atmospheric reanalysis and scatterometer-based wind products over the Nordic Seas and the northern North Atlantic and their application for ocean modeling Type $loc['typeJournal Article']
Year 2017 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 122
Issue 3
Pages 1943-1973
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Call Number COAPS @ mfield @
Serial 25
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