克里米亚西部堆积海岸地区的波浪状态和岩石动力学

IF 0.7 Q4 OCEANOGRAPHY
Y. Goryachkin, V. Fomin
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引用次数: 1

摘要

目的。本文的目的是获得克里米亚西部累积海岸地区的波浪特征,建立不同风向下沿海岸泥沙通量的方案,分析以往关于所研究地区岩石动力过程的概念,并与已有结果进行比较。方法与结果。基于1979-2018年ERA-Interim大气再分析数据,利用SWAN模式对黑海风浪的回顾性计算结果对波浪进行了分析。用年极大值法进行的回溯计算数据得到了各种可重复波的参数。采用波浪特征模式值的方法模拟了沿海岸泥沙通量,并构建了6个风向的方案。结论。得到了研究区域内风浪的工作特征和极端特征。结果表明,在上述地区,受西风、西南风和南风形成的波浪的影响,沿海岸沉积物通量最大。西北风和西风形成了向东的沉积物主通量。在西风的作用下,从多努兹拉夫沙洲向东南方向和海岸凹陷处,沉积物向相反方向移动。当风向为西南和南风时,沉积物沿着海岸从尤雷特角移动到多努兹拉夫湖北部沙嘴,在那里与相反方向的通量相遇。多努兹拉夫湖东南方向出现多向通量;在此,在海岸凹中形成了它们的辐合带。东南风和东风作用下,沿海岸泥沙通量急剧减小;这些通量是多向的,它们在任何一长段海岸线上都不是单一的通量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wave Regime and Lithodynamics in the Region of the Western Crimea Accumulative Coasts
Purpose. The paper is aimed at obtaining the wave regime characteristics in the region of the Western Crimea accumulative coast, at constructing the scheme of the sediment along-coastal fluxes for various wind directions, at analyzing the previous notions on the lithodynamical processes in the region under study and their comparison with the obtained results. Methods and Results. The wave regime was analyzed using the results of the retrospective calculations of wind waves in the Black Sea derived due to the model SWAN and based on the ERA-Interim atmospheric reanalysis data for 1979–2018. The data of retrospective calculations performed by the method of annual maximums yielded the parameters of the waves of various repeatability. The sediment along-coastal flux was simulated and the schemes for six wind directions were constructed by the method including model values of the wave characteristics. Conclusions. Operative and extreme characteristics of the wind waves in the region under study are obtained. It is shown that in the above-mentioned area, the most intense sediment along-coastal fluxes occur being affected by the waves formed by the western, southwestern and southern winds. The northwestern and western winds give rise to the sediment main flux directed to the east. At the western wind, to the southeast from the Donuzlav sandbar and in the coast concavities, the sediments are transported in the opposite direction. When the winds are southwestern and southern, the sediment along-coastal flux move from the Cape Uret to Lake Donuzlav northern spit, where it meets the oppositely directed flux. To the southeast from Lake Donuzlav, the multidirectional fluxes arise; at that, in the coast concavities their convergence zones are formed. At the southeastern and eastern winds, the sediment along-coastal fluxes’ capacity decreases sharply; the fluxes are of multidirectional character and they form not a single flux on any of the long stretches of the coastline.
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来源期刊
Physical Oceanography
Physical Oceanography OCEANOGRAPHY-
CiteScore
1.80
自引率
25.00%
发文量
8
审稿时长
24 weeks
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