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引用本文:刘赞沛,陈则实,鄢利农,邹娥梅.蓬莱近岸非潮汐水位波动.海洋与湖沼,2001,32(4):363-370.
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蓬莱近岸非潮汐水位波动
刘赞沛, 陈则实, 鄢利农, 邹娥梅
国家海洋局第一海洋研究所 青岛266061
摘要:
根据1984—1993年蓬莱验潮站水位自记曲线资料,考察了该站的非潮汐水位波动。资料分析表明,这种非潮汐水位波动是本区的一种较为经常的现象,且有较大的波高,最大可达124cm,超过当天半日潮潮差(107cm)。它们主要包含3个频段的水位波动,周期分别为8–12、20–30和60–120min。本研究主要揭示这些水位波动的特征和性质,特别是由此而产生的假潮。同时,通过对相关场资料的分析,揭示了引起这种较大振幅水位波动的主要原因。
关键词:  自然周期  假潮  非潮汐水位波动
DOI:
分类号:
基金项目:国家自然基金资助项目49676281号;山东省科委科技计划专项合同,967第40号
附件
NONTIDAL FLUCTUATION OF THE SEA LEVEL IN PENGLAI COASTAL AREA
LIU Zan-Pei, CHEN Ze-Shi, YAN Li-Nong, ZOU E-Mei
First Institute of Oceanography State Oceanic Administration, Qingdao, 266061
Abstract:
The nontidal fluctuation of sea level at Penglai tidal observatory is studied by using the 1984–1993 data of sea level curve of automatic tide gauge. Analysis of the data shows that such fluctuations of sea level often occur at this region. They have a large wave height and the largest value can reach 124cm which exceeds the tidal range of semi-diurnal tide (107cm) on the same day. They mainly involve fluctuations of three frequency bands. Their cycles are 8–12, 20–30 and 60–120min, respectively. The nature of the above mentioned fluctuations of sea level are described in this paper, particularly seiches caused by them. Meanwhile, by an analysis of the factors giving rise to the fluctuation of sea level the main cause of the larger amplitude fluctuations of sea level is identified.
Key words:  Nature cycle, Seiche, Nontidal fluctuation of the sea level
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