Records |
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.; Koch, M.; Liu, Y.; Lee, S. -K. |
Title |
Florida's oceans and marine habitats in a changing climate |
Type |
$loc['typeBook Chapter'] |
Year |
2017 |
Publication |
Florida's climate: Changes, variations, & impacts |
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Issue |
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Pages |
391-425 |
Keywords |
Ocean climate; Sea level rise; Florida climate; Gulf of Mexico; AMOC; Caribbean climate; Florida hydrology; Florida reefs; Global warming |
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Florida Climate Institute |
Place of Publication |
Gainesville, FL |
Editor |
Chassignet, E. P.; Jones, J. W.; Misra, V.; Obeysekera, J. |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
848 |
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Author |
Nedbor-Gross, R.; Dukhovskoy, D.S.; Bourassa, M.A.; Morey, S.L.; Chassignet, E.P. |
Title |
Investigation of the Relationship Between the Yucatan Channel Transport and the Loop Current Area in a Multidecadal Numerical Simulation |
Type |
$loc['typeJournal Article'] |
Year |
2014 |
Publication |
Marine Technology Society Journal |
Abbreviated Journal |
Mar Technol Soc J |
Volume |
48 |
Issue |
4 |
Pages |
15-26 |
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ISSN |
0025-3324 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
145 |
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Author |
Todd, A.C.; Morey, S.L.; Chassignet, E.P. |
Title |
Circulation and cross-shelf transport in the Florida Big Bend |
Type |
$loc['typeJournal Article'] |
Year |
2014 |
Publication |
Journal of Marine Research |
Abbreviated Journal |
J Mar Res |
Volume |
72 |
Issue |
6 |
Pages |
445-475 |
Keywords |
Coastal circulation; ocean modeling; larval transport; gag grouper; Florida Big Bend |
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0022-2402 |
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BP/Deep-C, NOAA NGI, NASA/JPL/OVWST, ONR |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
148 |
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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 |
$loc['typeJournal Article'] |
Year |
2016 |
Publication |
Methods in Oceanography |
Abbreviated Journal |
Methods in Oceanography |
Volume |
17 |
Issue |
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Pages |
232-250 |
Keywords |
Satellite data; Ocean model; Ocean color; Sea surface salinity; Shape comparison; Hausdorff distance |
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ISSN |
2211-1220 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
78 |
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Author |
Morey, S.L.; Dukhovskoy, D.S. |
Title |
A downscaling method for simulating deep current interactions with topography – Application to the Sigsbee Escarpment |
Type |
$loc['typeJournal Article'] |
Year |
2013 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
Volume |
69 |
Issue |
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Pages |
50-63 |
Keywords |
Ocean modeling; Model nesting; Topographic flows; USA; Gulf of Mexico; Sigsbee Escarpment |
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ISSN |
1463-5003 |
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Funding |
DeepStar, HYCOM Consortium |
Approved |
$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
183 |
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Author |
Dukhovskoy, D.S.; Morey, S.L.; Martin, P.J.; O'Brien, J.J.; Cooper, C. |
Title |
Application of a vanishing, quasi-sigma, vertical coordinate for simulation of high-speed, deep currents over the Sigsbee Escarpment in the Gulf of Mexico |
Type |
$loc['typeJournal Article'] |
Year |
2009 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
Volume |
28 |
Issue |
4 |
Pages |
250-265 |
Keywords |
Numerical models; Deep currents; Topographic waves; Numerical truncation error; Vertical discretization; Sigsbee Escarpment; Gulf of Mexico |
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1463-5003 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
399 |
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Author |
Yu, P.; Morey, S.L.; O'Brien, J.J. |
Title |
A reduced-dynamics variational approach for the assimilation of altimeter data into eddy-resolving ocean models |
Type |
$loc['typeJournal Article'] |
Year |
2009 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
Volume |
27 |
Issue |
3-4 |
Pages |
215-229 |
Keywords |
Ocean modeling; Data assimilation; Variational adjoint methods |
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1463-5003 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
400 |
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Author |
Dukhovskoy, D.S.; Morey, S.L.; O'Brien, J.J. |
Title |
Influence of multi-step topography on barotropic waves and consequences for numerical modeling |
Type |
$loc['typeJournal Article'] |
Year |
2006 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
Volume |
14 |
Issue |
1-2 |
Pages |
45-60 |
Keywords |
numerical models; ocean mathematical models; topographic waves; double Kelvin waves; continental shelves; shelf waves |
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ISSN |
1463-5003 |
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Funding |
ONR, NASA |
Approved |
$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
443 |
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