Records |
Author  |
Morey, S. L.; O'Brien, J. J.; Schroeder, W. W.; Zavala-Hidalgo, J. |
Title |
), Seasonal variability of the export of river discharged freshwater in the Northern gulf of Mexico |
Type |
$loc['typeJournal Article'] |
Year |
2002 |
Publication |
MTS/IEEE Oceans 2002 Proceedings |
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Pages |
1480-1484 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
861 |
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Author  |
Morey, S. L.; O'Brien, J. J.; Zavala-Hidalgo, J. |
Title |
Redistribution of riverine water along the continental shelves of the northern and western Gulf of Mexico |
Type |
$loc['typeMagazine Article'] |
Year |
2005 |
Publication |
Eos Trans. AGU |
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Volume |
86 |
Issue |
18 |
Pages |
Jt. Assem. Suppl., Abstract OS22A-06 |
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Funding |
ONR, NASA |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
910 |
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Author  |
Morey, S. L.; Wienders, N.; Dukhovskoy, D. S.; Bourassa, M. A. |
Title |
Impact of Stokes Drift on Measurements of Surface Currents from Drifters and HF Radar |
Type |
$loc['typeAbstract'] |
Year |
2018 |
Publication |
American Geophysical Union |
Abbreviated Journal |
AGU |
Volume |
Fall Meeting |
Issue |
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Pages |
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Keywords |
3307 Boundary layer processes, ATMOSPHERIC PROCESSESDE: 4504 Air/sea interactions, OCEANOGRAPHY: PHYSICALDE: 4560 Surface waves and tides, OCEANOGRAPHY: PHYSICALDE: 4572 Upper ocean and mixed layer processes, OCEANOGRAPHY: PHYSICAL |
Abstract |
Concurrent measurements by surface drifters of different configurations and HF radar reveal substantial differences in estimates of the near-surface seawater velocity. On average, speeds of small ultra-thin (5 cm) drifters are significantly greater than co-located drifters with a traditional shallow drogue design, while velocity measurements from the drogued drifters closely match HF radar velocity estimates. Analysis of directional wave spectra measurements from a nearby buoy reveals that Stokes drift accounts for much of the difference between the velocity measurements from the drogued drifters and the ultra-thin drifters, except during times of wave breaking. Under wave breaking conditions, the difference between the ultra-thin drifter velocity and the drogued drifter velocity is much less than the computed Stokes drift. The results suggest that surface currents measured by more common approaches or simulated in models may underrepresent the velocity at the very surface of the ocean that is important for determining momentum and enthalpy fluxes between the ocean and atmosphere and for estimating transport of material at the ocean surface. However, simply adding an estimate of Stokes drift may also not be an appropriate method for estimating the true surface velocity from models or measurements from drogued drifters or HF radar under all sea conditions. |
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$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
1008 |
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Author  |
Morey, S. L.; Zavala-Hidalgo, J.; O'Brien, J. J. |
Title |
The seasonal variability of continental shelf circulation in the northern and western Gulf of Mexico from a high-resolution numerical model |
Type |
$loc['typeBook Chapter'] |
Year |
2005 |
Publication |
New Developments in the Circulation of the Gulf of Mexico |
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Keywords |
Ocean circulation� Mexico, Gulf of� Remote sensing; Ocean circulation� Mexico, Gulf of� Mathematical models |
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Sturges, W.; Lugo-Fernandez, A. |
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Geophys. Mongr. Ser. |
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Series Issue |
161 |
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ONR, NASA, MMS |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
852 |
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Author  |
Morey, S. L.; Zavala-Hidalgo, J.; O'Brien, J. J. |
Title |
High-resolution ocean modeling of the Gulf of Mexico |
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$loc['typeReport'] |
Year |
2001 |
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Research Activities in Atmospheric and Ocean Modeling, Report No. 31 pp., World Meteorological Organization, Geneva, Switzerland |
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$loc['no'] |
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COAPS @ mfield @ |
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812 |
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Author  |
Morey, S.; Koch, M.; Liu, Y.; Lee, S. -K. |
Title |
Florida's oceans and marine habitats in a changing climate |
Type |
$loc['typeBook Chapter'] |
Year |
2017 |
Publication |
Florida's climate: Changes, variations, & impacts |
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Pages |
391-425 |
Keywords |
Ocean climate; Sea level rise; Florida climate; Gulf of Mexico; AMOC; Caribbean climate; Florida hydrology; Florida reefs; Global warming |
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Florida Climate Institute |
Place of Publication |
Gainesville, FL |
Editor |
Chassignet, E. P.; Jones, J. W.; Misra, V.; Obeysekera, J. |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
848 |
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Author  |
Morey, S.; Wienders, N.; Dukhovskoy, D.; Bourassa, M. |
Title |
Measurement Characteristics of Near-Surface Currents from Ultra-Thin Drifters, Drogued Drifters, and HF Radar |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
Remote Sensing |
Abbreviated Journal |
Remote Sensing |
Volume |
10 |
Issue |
10 |
Pages |
1633 |
Keywords |
surface drifters; surface currents; HF Radar |
Abstract |
Concurrent measurements by satellite tracked drifters of different hull and drogue configurations and coastal high-frequency radar reveal substantial differences in estimates of the near-surface velocity. These measurements are important for understanding and predicting material transport on the ocean surface as well as the vertical structure of the near-surface currents. These near-surface current observations were obtained during a field experiment in the northern Gulf of Mexico intended to test a new ultra-thin drifter design. During the experiment, thirty small cylindrical drifters with 5 cm height, twenty-eight similar drifters with 10 cm hull height, and fourteen drifters with 91 cm tall drogues centered at 100 cm depth were deployed within the footprint of coastal High-Frequency (HF) radar. Comparison of collocated velocity measurements reveals systematic differences in surface velocity estimates obtained from the different measurement techniques, as well as provides information on properties of the drifter behavior and near-surface shear. Results show that the HF radar velocity estimates had magnitudes significantly lower than the 5 cm and 10 cm drifter velocity of approximately 45% and 35%, respectively. The HF radar velocity magnitudes were similar to the drogued drifter velocity. Analysis of wave directional spectra measurements reveals that surface Stokes drift accounts for much of the velocity difference between the drogued drifters and the thin surface drifters except during times of wave breaking. |
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2072-4292 |
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$loc['no'] |
Call Number |
COAPS @ rl18 @ |
Serial |
987 |
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Author  |
Morey, S.; Wienders, N.; Dukhovskoy, D.; Bourassa, M. |
Title |
Measurement Characteristics of Near-Surface Currents from Ultra-Thin Drifters, Drogued Drifters, and HF Radar |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
Remote Sensing |
Abbreviated Journal |
Remote Sensing |
Volume |
10 |
Issue |
10 |
Pages |
1633 |
Keywords |
surface drifters; surface currents; HF Radar; STOKES DRIFT; SEA-SURFACE; WAVES; BREAKING; VALIDATION; TRANSPORT |
Abstract |
Concurrent measurements by satellite tracked drifters of different hull and drogue configurations and coastal high-frequency radar reveal substantial differences in estimates of the near-surface velocity. These measurements are important for understanding and predicting material transport on the ocean surface as well as the vertical structure of the near-surface currents. These near-surface current observations were obtained during a field experiment in the northern Gulf of Mexico intended to test a new ultra-thin drifter design. During the experiment, thirty small cylindrical drifters with 5 cm height, twenty-eight similar drifters with 10 cm hull height, and fourteen drifters with 91 cm tall drogues centered at 100 cm depth were deployed within the footprint of coastal High-Frequency (HF) radar. Comparison of collocated velocity measurements reveals systematic differences in surface velocity estimates obtained from the different measurement techniques, as well as provides information on properties of the drifter behavior and near-surface shear. Results show that the HF radar velocity estimates had magnitudes significantly lower than the 5 cm and 10 cm drifter velocity of approximately 45% and 35%, respectively. The HF radar velocity magnitudes were similar to the drogued drifter velocity. Analysis of wave directional spectra measurements reveals that surface Stokes drift accounts for much of the velocity difference between the drogued drifters and the thin surface drifters except during times of wave breaking. |
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2072-4292 |
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$loc['no'] |
Call Number |
COAPS @ rl18 @ |
Serial |
985 |
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Author  |
Morey, S.L. |
Title |
Remotely sensed winds for episodic forcing of ocean models |
Type |
$loc['typeJournal Article'] |
Year |
2005 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
Volume |
110 |
Issue |
C10 |
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0148-0227 |
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NASA, ONR, DMEFS, NOAA, NSF, NOAA, OGP |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
448 |
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Author  |
Morey, S.L. |
Title |
Export pathways for river discharged fresh water in the northern Gulf of Mexico |
Type |
$loc['typeJournal Article'] |
Year |
2003 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
Volume |
108 |
Issue |
C10 |
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Keywords |
cross-shelf transport; fresh water; Gulf of Mexico |
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0148-0227 |
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ONR, NASA |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
471 |
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