HF radar measurements of ocean wave parameters during NURWEC
HF radar measurements of ocean wave parameters during NURWEC
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NURWEC 期间海浪参数的高频雷达测量
DOI：
10.1109/joe.1986.1145184
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发表时间：
1986
影响因子：
4.1
通讯作者：
J. V. Heteren
中科院分区：
文献类型：
--
作者：
L. Wyatt;J. Venn;G. Burrows;A. Ponsford;M. Moorhead;J. V. Heteren
荷兰/英国雷达、波浪浮标实验比较（NURWEC）是伯明翰大学、荷兰皇家水州（RWS）和海洋科学研究所（IOS）之间的一项合作实验，旨在评估使用伯明翰大学（BU）地波雷达的海浪数据的可用性和准确性。实验历时两个月，收集了超过110小时的雷达数据，并传送到伯明翰进行波参数提取。如果波浪高度小于2米，则发现其标准偏差为15%（与Datawell WAVEC浮标相比），如果波浪高度大于2米，则为20%，尽管在这种情况下存在41%的正偏差。在3 ~ 10 s范围内，第一矩波周期的平均差值为0.6 s。发现长波方向谱在有限的情况下是很一致的，在高度上有21%的差异，在周期上有6%的差异，在方向上有15度的差异。指出了这些测量的局限性，并提出了改进雷达操作和进一步研究的建议。
The Netherlands/U.K. Radar, Wavebuoy Experimental Comparison (NURWEC) was a collaborative experiment between the University of Birmingham, the Dutch Rijkswaterstaat (RWS), and the Institute of Oceanographic Sciences (IOS), and was designed to assess the availability and accuracy of ocean wave data using the University of Birmingham (BU) ground-wave radar. The experiment lasted for two months during which time over 110 h of radar data were collected and transferred to Birmingham for wave-parameter extraction. Estimates of significant wave height are found to have a standard deviation of 15 percent (by comparison with the Datawell WAVEC buoy) if they were less than 2 m, and of 20 percent if greater, although in this case there is a positive bias of 41 percent. A mean difference in first-moment wave period of 0.6 s over the range 3-10 s is found. The long-wave directional spectrum is found to be in good agreement in the limited number of cases for which comparison is appropriate, with differences of 21 percent in height, 6 percent in period, and 15\deg in direction. The limitations to these measurements are identified, and suggestions are made for improvements in radar operations and for further research.