超强台风山竹近地层外围风速剖面演变特性现场实测

赵林; 杨绪南; 方根深; 崔巍; 宋丽莉; 葛耀君

doi:10.7638/kqdlxxb-2018.0297

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超强台风山竹近地层外围风速剖面演变特性现场实测

研究论文 | 更新时间：2026-05-28

- 超强台风山竹近地层外围风速剖面演变特性现场实测
- Observation-based study for the evolution of vertical wind profiles in the boundary layer during super typhoon Mangkhut
- 空气动力学学报 2019年37卷第1期页码：43-54
- 作者机构：
  
  1. 同济大学土木工程防灾国家重点实验室,上海,200092
  2. 同济大学桥梁结构抗风技术交通行业重点实验室,上海,200092
  3. 中国气象局公共气象服务中心,北京,100081
- 作者简介：
  
  赵林(1974-), 男, 黑龙江牡丹江人, 教授, 博导, 主要从事结构风工程研究.E-mail:zhaolin@tongji.edu.cn
  杨绪南*(1994-), 男, 山西朔州人, 硕士研究生, 主要从事结构风工程研究.E-mail:siolag@163.com
- 基金信息：
  
  国家重点研发计划（2018YFC0809600，2018YFC0809604）;国家自然科学基金（51678451）
- DOI：10.7638/kqdlxxb-2018.0297
  中图分类号： TU312.1
- 纸质出版：2019
- 稿件说明：
移动端阅览
赵林, 杨绪南, 方根深, 崔巍, 宋丽莉, 葛耀君. 超强台风山竹近地层外围风速剖面演变特性现场实测[J]. 空气动力学学报, 2019, 37(1): 43-54.

ZHAO Lin, YANG Xu'nan, FANG Genshen, et al. Observation-based study for the evolution of vertical wind profiles in the boundary layer during super typhoon Mangkhut[J]. 2019, 37(1): 43-54.
赵林, 杨绪南, 方根深, 崔巍, 宋丽莉, 葛耀君. 超强台风山竹近地层外围风速剖面演变特性现场实测[J]. 空气动力学学报, 2019, 37(1): 43-54. DOI： 10.7638/kqdlxxb-2018.0297.

ZHAO Lin, YANG Xu'nan, FANG Genshen, et al. Observation-based study for the evolution of vertical wind profiles in the boundary layer during super typhoon Mangkhut[J]. 2019, 37(1): 43-54. DOI： 10.7638/kqdlxxb-2018.0297.

摘要

利用多普勒激光雷达在琼州海峡北岸徐闻地区从2018年9月15日12：28到2018年9月17日13：53对1822号超强台风山竹外围风场进行实测，获得台风登陆前29个小时至登陆后21个小时时间范围内每隔10 min一次的近地层风速剖面演变数据。总结台风远端风场演变过程的4个阶段：外围小风、登陆前强风切变、登陆后低空急流、台风远离时风速衰减；发现台风远端风场S形和反C形2种风剖面形态；总结距离台风中心230~750 km范围内最大风速高度沿台风半径向外先增大后减小的趋势；发现台风登陆前远端风场平均最大风速高度约360 m，平均风剖面幂指数0.41，登陆后平均最大风速高度约800 m，平均风剖面幂指数0.28；验证Vickery提出的对数律修正模型对台风远端风场风剖面形态的适用性，发现该模型对反C形风剖面拟合度较好，对S形风剖面上部重现度较差。

Abstract

The Doppler LiDAR was used to measure the periphery wind field of super typhoon 'Mangkhut' in Xuwen-the north shore of Qiongzhou Strait. The measurement lasted from 12:28 on September 15th

2018 to 13:53 on September 17th

2018

during which the evolution of wind speed profiles on the boundary layer was obtained from 29 hours before the landfall of the typhoon to 21 hours after its landfall. The evolution of wind speed profiles of the typhoon is summarized into 4 periods:low-speed-wind period

strong wind shear period before landfall

low-level jet period

and typhoon-far-away period. It is found that

there are 2 types of wind profiles which are different from monsoon:the S shape profile and anti-C shape profile; within the range of 230 km~750 km from the center of the typhoon

the maximum wind speed height increases first and then decreases with the increasing distance between the observation site and the typhoon center; the average maximum wind speed height and average power law exponent are respectively

about 360 m and 0.41 before the typhoon landfall

while the values change to 800 m and 0.28 after the landfall; Vickery empirical model was used to fit the S shape profiles and the anti-C shape profiles

and the results indicate that

the Vickery model can reproduce the anti-C shape of the hurricane boundary layer (i.e. low-level jet) but can not the S shape profiles.

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Keywords

references

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