基于高频地波雷达观测的粤西近海潮流潮能分析

doi:10.11978/2017124

热带海洋学报 ›› 2018, Vol. 37 ›› Issue (5): 25-32.doi: 10.11978/2017124CSTR: 32234.14.2017124

基于高频地波雷达观测的粤西近海潮流潮能分析

朱怀鑫^1,²(), 俎婷婷¹(), 李健¹, 舒业强¹, 陈举¹, 王东晓¹

1. 热带海洋环境国家重点实验室(中国科学院南海海洋研究所), 广东广州 510301
2. 中国科学院大学, 北京 100049;

收稿日期:2017-11-15 修回日期:2017-12-19 出版日期:2018-09-20 发布日期:2018-10-13
作者简介:
作者简介: 朱怀鑫, 男(1994—), 安徽省宿州市人, 硕士研究生, 主要从事高频地波雷达研究。E-mail: hxzhu@scsio.ac.cn
基金资助:
国家重大科学仪器设备开发专项(2013YQ16079303);中国科学院前沿科学重点研究项目(QYZDJ-SSW-DQC022);国家自然科学基金(41576003,41506022);广东省科技计划项目(2016A020224003)

Analysis of tidal current and tidal energy on the west coast of Guangdong Province based on High Frequency Ground Wave Radar observation

Huaixin ZHU^1,²(), Tingting ZU¹(), Jian LI¹, Yeqiang SHU¹, Ju CHEN¹, Dongxiao WANG¹

1. State Key Laboratory of Tropical Oceanography (South China Sea Institute of Oceanology, Chinese Academy of Sciences), Guangzhou 510301, China
2. University of Chinese Academy of Sciences, Beijing 100049, China;

Received:2017-11-15 Revised:2017-12-19 Online:2018-09-20 Published:2018-10-13
Supported by:
National Special Scientific Equipment Development Project (2013YQ16079303);Frontier Science Research Project of Chinese Academy of Sciences (Grant No. QYZDJ-SSW-DQC022);National Natural Science Foundation of China (41576003, 41506022);Science and Technology Planning Project of Guangdong Province (2016A020224003)

摘要/Abstract

摘要：

利用粤西海域高频地波雷达观测得到的表层海流资料进行潮流调和分析。结果表明: 粤西近海主要属于不正规半日分潮, 浅水分潮较强。以M₂分潮为例, 潮流运动形式主要为逆时针的往复流为主, 方向沿西北—东南方向。粤西近海的潮能主要由东部陆架输送进来, 潮能自东向西传播, 在大潮期间, 粤西的潮能出现向岸方向分量, 表现为从东南向西北方向传播, 在近岸区域潮能通量传播的方向会发生一个向岸的偏转。通过潮能收支方程计算潮能耗散, 发现粤西近海潮能耗散的高值区在西部岛屿密集区域, 与琼州海峡的存在和琼州海峡东北处地形变化存在明显的相关关系。

关键词: 粤西, 高频地波雷达, 潮流, 潮能耗散

Abstract:

We study the characteristics of tidal current on the west coast of Guangdong Province using the surface current data observed by a High Frequency Ground Wave Radar (HF radar). Tidal harmonic analysis results show that the tide in this area mostly belongs to irregular semidiurnal tide, and the shallow water components are not negligible. The M₂ tidal current is mainly counterclockwise reciprocating flow. The direction is along the northwest-southeast. In the near-shore region, tidal energy flux spreads to the shore. The tidal energy flux is from east to west in the east part of the study area. Through tidal energy budget analysis, we found that high dissipation appears in the west part of the study area, which has a lot of islands there is related to the existence of the Qiongzhou Strait and the topography on the west coast of Guangdong Province.

Key words: west coast of Guangdong Province, High Frequency Ground Wave Radar, tidal current, tidal energy, tidal dissipation

中图分类号:

P731.23

朱怀鑫, 俎婷婷, 李健, 舒业强, 陈举, 王东晓. 基于高频地波雷达观测的粤西近海潮流潮能分析[J]. 热带海洋学报, 2018, 37(5): 25-32.

Huaixin ZHU, Tingting ZU, Jian LI, Yeqiang SHU, Ju CHEN, Dongxiao WANG. Analysis of tidal current and tidal energy on the west coast of Guangdong Province based on High Frequency Ground Wave Radar observation[J]. Journal of Tropical Oceanography, 2018, 37(5): 25-32.

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观测仪器	O₁		K₁		M₂		S₂		M₄		MS₄		特征值 F	特征值G
观测仪器	长轴/(m·s^-1)	迟角/(°)	长轴/(m·s^-1)	迟角/(°)	长轴/(m·s^-1)	迟角/(°)	长轴/(m·s^-1)	迟角/(°)	长轴/(m·s^-1)	迟角/(°)	长轴/(m·s^-1)	迟角/(°)	特征值 F	特征值G
ADCP	0.129	232	0.104	252	0.219	232	0.077	282	0.024	216	0.013	269	1.06	0.17
雷达(6月)	0.116	207	0.061	224	0.191	234	0.063	280	0.012	193	0.016	209	0.93	0.15
雷达(11月)	0.102	220	0.094	250	0.129	229	0.065	64	0.015	150	0.014	119	1.52	0.22

基于高频地波雷达观测的粤西近海潮流潮能分析

Analysis of tidal current and tidal energy on the west coast of Guangdong Province based on High Frequency Ground Wave Radar observation

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