库页岛附近测量的波高概率分布与物理参数的关系

Q3 Earth and Planetary Sciences
A. V. Slunyaev, A. V. Kokorina, A. I. Zaytsev, E. G. Didenkulova, A. A. Moskvitin, O. I. Didenkulov, E. N. Pelinovsky
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引用次数: 0

摘要

利用库页岛附近海底传感器的长期表面波测量数据,建立了波高超限的仪器概率分布。海浪的高度超过有效波高三倍以上。讨论了在开放海面和冰覆盖海面期间进行的观测的具体特征。考虑到任务的自然物理无量纲参数,通过选择来安排统计均匀数据的子集,这些参数控制有限深度和非线性的影响(即波浪陡峭度,波幅与水深比,Ursell参数)。讨论了这些参数和复合参数在波高理论概率分布中的表现。以异常高波为重点,估计了非线性和测点深度对概率分布的影响。特别地,在配准地点,波幅与水深比参数的增加导致异常高波发生的概率降低。这种行为与格鲁霍夫斯基理论分布是一致的。具有较大的无量纲深度参数的波具有较高的显著高度超出的概率,并且可以用瑞利分布更好地描述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The dependence of wave height probability distributions on physical parameters from measurements near Sakhalin Island
The data of long-term surface waves measurements with bottom sensors near Sakhalin Island were used to build instrumental probability distributions for exceedance of wave heights. Waves with heights exceeding the significant wave height by more than three times were recorded. Specific features of the observations conducted during the periods of open and ice-covered sea surfaces are discussed. The subsets of statistically homogeneous data are arranged through selection considering the natural physical dimensionless parameters of the task, that control the effects of finite depth and nonlinearity (namely, the wave steepness, the wave amplitude to water depth ratio, the Ursell parameter). The manifestation of these and composite parameters in theoretical probability distributions of wave heights is discussed. The effects of nonlinearity and the measurement point depth on probability distributions are estimated with a focus on abnormally high waves. In particular, it is shown that for the place of registration an increase in the wave amplitude to water depth ratio parameter leads to a decrease in the probability of abnormally high waves. This behavior is consistent with the Glukhovsky theoretical distribution. The waves characterized by relatively large dimensionless depth parameter exhibit a higher probability of substantial exceedance of the significant height and are better described by the Rayleigh distribution.
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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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