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. L. |
Title |
The effects of Halmahera on the Indonesian overflow |
Type |
$loc['typeManuscript'] |
Year |
1997 |
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Department of Oceanography |
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Thesis |
$loc['Master's thesis'] |
Publisher |
Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
649 |
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Author |
Morey, S. L. |
Title |
The spring transition of thermal stratification on a mid-latitude continental shelf |
Type |
$loc['typeManuscript'] |
Year |
1999 |
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Department of Oceanography |
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Thesis |
$loc['Ph.D. thesis'] |
Publisher |
Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
600 |
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Author |
Morey, S. L. |
Title |
Spatial variability of upwelling on a continental shelf inferred from satellite scatterometry |
Type |
$loc['typeConference Article'] |
Year |
2012 |
Publication |
IEEE International Symposium on Geoscience and Remote Sensing IGARSS |
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Volume |
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Issue |
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Pages |
7094-7097 |
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IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Munich, Germany |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
256 |
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Author |
Morey, S.L. |
Title |
The spring transition from horizontal to vertical thermal stratification on a midlatitude continental shelf |
Type |
$loc['typeJournal Article'] |
Year |
2002 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
Volume |
107 |
Issue |
C8 |
Pages |
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Keywords |
continental shelf; stratification; Mixed Layer Dynamics; Coastal Ocean Modeling; West Florida Shelf |
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Edition |
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ISSN |
0148-0227 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
493 |
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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 |
Pages |
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Keywords |
cross-shelf transport; fresh water; Gulf of Mexico |
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Edition |
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ISSN |
0148-0227 |
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Funding |
ONR, NASA |
Approved |
$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
471 |
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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 |
Pages |
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Edition |
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ISSN |
0148-0227 |
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Funding |
NASA, ONR, DMEFS, NOAA, NSF, NOAA, OGP |
Approved |
$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
448 |
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Author |
Morey, S. L.; O'Brien, J. J. |
Title |
An application of the Sigma Z-Level Model to the West Florida Shelf spring transition |
Type |
$loc['typeReport'] |
Year |
2000 |
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Research Activities in Atmospheric and Ocean Modeling, Report No. 30 pp., World Meteorological Organization, Geneva, Switzerland |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
793 |
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Author |
Morey, S. L.; O'Brien, J. J. |
Title |
Vertical resolution impacts on modeled Gulf of Mexico loop current eddies |
Type |
$loc['typeReport'] |
Year |
2004 |
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Pages |
03.17-03.18 |
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World Meteorological Organization |
Place of Publication |
Geneva, Switzerland |
Editor |
Cote, J. |
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Series Title |
Research Activities in Atmospheric and Ocean Modeling, Report No. 34 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
886 |
Permanent link to this record |