On wind-wave-current interactions during the Shoaling Waves Experiment

被引：34
作者：
Zhang, Fei W. [1 ]
Drennan, William M. [1 ]
Haus, Brian K. [1 ]
Graber, Hans C. [1 ]
机构：
[1] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Miami, FL 33149 USA
来源：
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS | 2009年 / 114卷
关键词：
SURFACE CURRENTS; OCEAN CURRENTS; STRESS VECTOR; RADAR; BUOY; SEA; SCATTEROMETER; ATLANTIC; MOMENTUM; SPECTRA;
D O I：
10.1029/2008JC004998
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
This paper presents a case study of wind-wave-current interaction during the Shoaling Waves Experiment (SHOWEX). Surface current fields off Duck, North Carolina, were measured by a high-frequency Ocean Surface Current Radar (OSCR). Wind, wind stress, and directional wave data were obtained from several Air Sea Interaction Spar (ASIS) buoys moored in the OSCR scanning domain. At several times during the experiment, significant coastal currents entered the experimental area. High horizontal shears at the current edge resulted in the waves at the peak of wind-sea spectra (but not those in the higher-frequency equilibrium range) being shifted away from the mean wind direction. This led to a significant turning of the wind stress vector away from the mean wind direction. The interactions presented here have important applications in radar remote sensing and are discussed in the context of recent radar imaging models of the ocean surface.
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页数：12
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