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首页> 外文会议>OCEANS >Measurements of the effect of rain-induced sea surface roughness on the QuikSCAT scatterometer radar cross section and wind stress
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Measurements of the effect of rain-induced sea surface roughness on the QuikSCAT scatterometer radar cross section and wind stress

机译：测量雨诱导的海面粗糙度对Quikscat散射仪雷达横截面和风应力影响的影响

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摘要

Changes in the sea surface roughness from the combined effects of wind and rain, on scales of tens of kilometers, are being studied using the QuikSCAT scatterometer (NRCS) and simultaneous NEXRAD three-dimensional measurements of rain. The studies of air-sea interaction, related to surface fluxes. The results to be presented were acquired during a significant rain event in the Gulf of Mexico, to the east of Corpus Christi, and just south of Houston, TX in May 2005. Preliminary results in NRCS caused by rain, relative to that in nearby regions with negligible rain shows distinct characteristics. Three regions with different wind speeds (4-6, 6-8 and 8-10 m/s) show definitive variation of this total NRCS with respect to wind magnitude, satellite-relative wind direction, polarization and rainrate. Relative changes are stronger in the lower wind region for both polarizations, with H-pol providing a more definitive signature. At higher wind speeds (e.g. 10 m/s) the relative splash induced increases in NRCS are still significant, and show distinct differences between polarizations.
机译：使用Quikscat散射仪（NRC）和同时的雨水的雨水和数十公里的尺度，对数十公里的尺度的较大效果的变化。海海相互作用研究，与表面助焊剂相关。在墨西哥湾的大量雨中活动中获得的结果是在墨西哥湾的大量雨中，而在2005年5月，TX驻休斯顿南部。雨季初步导致雨，相对于附近地区造成的NRC雨水可忽略不计特征。具有不同风速（4-6,6-8和8-10M / s）的三个区域显示了这种总NRC的明确变化，相对于风力幅度，卫星相对的风向，极化和初步。对于两个偏振的较低风区域，相对变化较强，H-POL提供更明确的签名。在较高的风速（例如10 m / s）处，NRC的相对飞溅诱导的增加仍然是显着的，并且在偏振之间显示出不同的差异。

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