台风"艾克"(2008)的海面风场模型研究
Research on Sea Surface Wind Field Model of Hurricane IKE(2008)
何源首 1王恩康 2李建伟 1安伟 1宋莎莎 1靳卫卫 1王梦晓1
作者信息
- 1. 中海油能源发展股份有限公司安全环保分公司,天津 300452;中海油能源发展股份有限公司海上油田安全环保重点实验室,天津 300452
- 2. 自然资源部第一海洋研究所,山东青岛 266061
- 折叠
摘要
台风风场模拟的准确性对台风风场后报工作具有重要意义,目前通过参数模型构建台风边界层的海面风场是较快速且常用的方法之一.以 2008年侵入墨西哥湾的大西洋第 8号台风"艾克"为例,选取多种参数模型对比研究台风风场模拟的效果.实验结果表明,台风风场模型的选择对台风风场模拟效果具有显著影响.采用Jelesnianski-1风廓线模型即可较好地再现"艾克"台风风场的时空特征;此外,具有可变系数的Holland等气压模型风场和Miller等风廓线模型风场则具有较好的适用性,通过调整可变系数使得参数风场的风廓线贴合实际台风案例.整体而言,基于理想模型的参数风场能基本反映台风核心区域的海面风场特征,但对外围背景风场模拟效果不甚理想,而分析及再分析风场数据则能较好地反映台风外围的背景风场,因此采用参数风场与分析及再分析风场融合的方式构建台风风场,可显著提高台风"艾克"风场的数值模拟效果.
Abstract
The accuracy of hurricane wind field simulation is of great significance to the hindcast of hurricane wind field.At the present,it is one of more rapid and commonly used methods to construct sea surface wind field of hurricane boundary layer through numerical modeling.By taking IKE,the 8th Atlantic hurricane that invaded the Gulf of Mexico in 2008,as an example,multiple parameter models are selected to compare and study the accuracy of hurricane wind field simulation.The results indicate that the selection of hurricane wind field model has significant influence on the accuracy of hurricane wind field simulation,and the Jelesnianski-1 model can be used for reproducing well the spatio-temporal characteristics of the wind field of Hurricane IKE.In addition,the models with variable coefficients,such as the Holland model and the Miller model,have also good applicability.By adjusting the variable coefficients,the wind profile of the wind field can conform well to that of the actual hurricane.Generally,the wind field constructed based on the ideal models can basically reflect the characteristics of the sea surface wind field in the core area of the hurricane,but the background wind field in the outer area of the hurricane cannot be reflected ideally.However,the analysis or reanalysis wind field data can reflect well the background wind field in the outer area of the hurricane.Therefore,the integration of the wind field data derived from numerical models with the analysis or reanalysis wind field data can significantly increase the numerical simulation accuracy of the sea surface wind field of Hurricane IKE.
关键词
台风"艾克"(2008)/参数风场模型/Holland模型/NDBC风场/CCMP风场/墨西哥湾Key words
Hurricane IKE(2008)/model of parameter wind field/Holland model/NDBC wind field/CCMP wind field/Gulf of Mexico引用本文复制引用
基金项目
中国海油能源发展股份有限公司安全环保分公司科技项目(HFKJ-AH-AHY-2023-14)
中国海油能源发展股份有限公司科技项目(HFZXKT-JN2021-04)
中国海洋石油集团有限公司科技项目(CNOOC-KJ 135 KJXM NFAH 2021-01)
出版年
2024
NETL
NSTL
万方数据