微震振荡作为热带气旋的指示

Q3 Earth and Planetary Sciences
V. A. Chupin
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引用次数: 0

摘要

本文介绍了在热带气旋对日本海海域的活跃影响期间,在次声波频率范围内记录微震振荡的结果。数据由两轴激光应变仪和激光纳米衍射仪组成的海岸激光干涉测量复合体获得。利用遥感数据进行的一个案例研究表明,世界气象机构过早地停止了对台风的跟踪,而气旋保持了其涡旋结构和能量特征。揭示了次声微震振荡特征的动态变化,这种变化取决于台风的轨迹及其对海域影响的持续时间。给出了一些具有相似运动轨迹的台风群的一般结果,结果表明微震次声振荡的最大振幅在不同的频率上表现出来。2022年某次五级台风通过时,在测点附近记录到气旋尾部大气涡旋与流沙波场相互作用形成的微震信号。由于地面遥感方法对台风通过时产生的微震信号的某些特征进行了登记,因此可以利用这些信息确定热带气旋的运动参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Microseismic oscillations as an indicator of tropical cyclones
The paper presents the results of recording microseismic oscillations in the frequency range of infrasonic waves performed during the periods of active influence of tropical cyclones on the water area of the Sea of Japan. The data were obtained by a coastal laser-interference measuring complex consisting of a two-axis laser strainmeter and a laser nanobarograph. A case study using remote sensing data shows that the world meteorological agencies stopped tracking the typhoon too early, while the cyclone retains its vortex structure and energy characteristics. The dynamics of changes in the characteristics of infrasound microseismic oscillations, which depend on the trajectory of typhoons and the duration of their impact on the sea area, is shown. Generalised results are given for some groups of typhoons having similar trajectories of movement, as a result of which the maximum amplitudes of microseismic infrasonic oscillations are manifested at different frequencies. During the passage of a category 5 typhoon in 2022, a microseismic signal formed by the interaction of the atmospheric vortex in the rear part of the cyclone with the field of quicksand waves was registered near the measuring site. As a result of registration by ground-based remote sensing methods of certain characteristics of microseismic signals generated during the passage of typhoons, it is possible to use the information to determine the parameters of tropical cyclone movement.
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来源期刊
Fundamentalnaya i Prikladnaya Gidrofizika
Fundamentalnaya i Prikladnaya Gidrofizika Earth and Planetary Sciences-Geophysics
CiteScore
1.20
自引率
0.00%
发文量
0
期刊介绍: Emphasis of the journal includes the following areas:‎ ‎- fundamental and applied hydrophysics;‎ ‎- dynamics and hydrodynamics of marine objects;‎ ‎- physical fields of ocean, atmosphere, marine objects and their interaction;‎ ‎- methods and means for registration hydrophysical fields of ocean and marine objects;‎ ‎- application of information technology for solving problems in the field of hydrophysics, design ‎‎and operation of the offshore facilities system;‎ ‎- hydrosphere ecology;‎ ‎- hydrobionics;‎ As well as the most interesting scientific conferences’ reports, materials of science debates, book ‎‎reviews. From the scientists, engineers (and designers) of marine equipment, students, graduate ‎‎students and professors who specialize in the field of fundamental and applied hydrophysics.‎
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