MULTI-POLARIZATION SCATTEROMETER MEASUREMENTS OF LONG SURFACE GRAVITY WAVE BREAKING

被引：0
|
作者：
Gade, Martin [1 ]
Grobelny, Thomas Alexander [1 ]
Stammer, Detlef [1 ]
机构：
[1] Univ Hamburg, Inst Meereskunde, Ctr Erdsyt Forsch & Nachhaltigkeit, Hamburg, Germany
来源：
2014 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2014年
关键词：
scatterometer; wave breaking; radar backscatter; Doppler shift; whitecaps; MICROWAVE BACKSCATTER; MODULATION;
D O I：
10.1109/IGARSS.2014.6947022
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The possibility of detecting breaking long surface gravity waves in S-band radar backscatter measurements is being investigated using multi-polarization scatterometer measurements. To detect breaking waves the change in the spectral shape of the radar Doppler spectra was analyzed with respect to possible indicators for wave breaking events. They are identified here using the ratio of the second and fourth spectral moments after normalization by the squared radar frequency. A comparison with simultaneous estimates of the fractional area of whitecaps suggests that a normalized spectral moment ratio might be used as one indicator for events of breaking surface gravity waves.
引用
收藏
页码：2665 / 2668
页数：4
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