风场对SWAN模式在台湾海峡后报结果的影响

滕陈轲敏; 岳显昌; 吴雄斌; 王少华; 黄奇华; 张兰

doi:10.3969/j.issn.0253-4193.2019.05.006

风场对SWAN模式在台湾海峡后报结果的影响

doi: 10.3969/j.issn.0253-4193.2019.05.006

武汉大学电子信息学院, 湖北武汉 430072

基金项目: 国家自然科学基金（41474128，61771352）；"十二五"国家高技术研究发展计划（2012AA091701，2012AA091702）。

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出版历程
- 收稿日期: 2018-06-13

Impacts of wind data on the hindcast of wave height simulated by SWAN model on the Taiwan Strait

School of Electronic Information, Wuhan University, Wuhan 430072, China

摘要

摘要: 本文利用SWAN模式模拟分析了CCMP和DASCAT两种常用风场数据在台湾海峡海面的浪场结果。东北季风期3个月的浪场模拟结果与浮标实测波高时序数据相比，偏差均值不大于0.33 m，偏差均方根不大于0.59 m。一般在浮标波高大于3.5 m和小于1.0 m时，偏差偏大。6 h分辨率的风场数据相较于24 h分辨率风场数据对应的模拟结果更接近于浮标实测结果。在6 h和24 h分辨率的CCMP风场数据和24 h分辨率的DASCAT风场数据的模拟结果中，两两结果间的空间相关系数均不低于0.90，偏差均值不大于0.32 m，偏差均方根不大于0.4 m。
- SWAN模式 /
- 风场 /
- 台湾海峡 /
- 波高
Abstract: Using the SWAN model, the wave fields on the Taiwan Strait with two common wind field data including Cross-Calibrated Multi-Platform (CCMP) and ASCAT-Based Daily (DASCAT) are simulated and analyzed in this paper. A three-month period result during the northeast monsoon is compared with the buoy measured sequential wave height result. The mean of the deviations between them is less than 0.33 m and the root mean square (RMS) value of the deviations is no larger than 0.59 m. The deviations become larger when the buoy measured wave height is greater than 3.5 m or less than 1 m. And the simulation result of 6 h resolution wind field data agrees better with the buoy measured wave height than the 24 h resolution. Among the simulations with the input of the CCMP wind data with 6 h and 24 h resolution and the DASCAT wind data with 24 h resolution, the spatial cross correlation coefficient between either two results are no less than 0.90, the spatial mean of the deviations between either two results is less than 0.32 m and the RMS value of the deviations is less than 0.40 m.
- SWAN model /
- wind field /
- the Taiwan Strait /
- wave height

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