海洋预报2025，Vol.42Issue(2)：18-29,12.DOI:10.11737/j.issn.1003-0239.2025.02.003
江门海域增水特征分析
Features and mechanism of residual water level variations in the Jiangmen Sea area
摘要
Abstract
Based on high resolution hydrometeorology observations(2020-2021)at 5 marine observation stations including Xiachuan and Shangchuan in the Jiangmen Sea area,the seasonal variation feature of residual water levels and its driving mechanism are explored and categorized by typhoon-affecting and non-typhoon-affecting periods.Results show that:Jiangmen residual water level variations exhibit consistent changes and significant seasonal differences at each station,in which the amplitude of residual water level variations is large in winter‒spring,and small in summer-autumn(non-typhoon-affecting period).Zonal winds variability dominates residual water level variations,in which the residual water level rises(declines)when the easterlies enhances(weakens),and vice era during the westerlies.Meridional winds and pressure changes also contribute to residual water level variations during some representative processes.Typhoon and subtropical high are the driving factors regulating zonal winds and pressure changes in the Jiangmen coast.The residual water levels are controlled by the easterlies south of subtropical high during non-typhoon-affecting period,and by zonal winds and pressure changes during typhoon-affecting period.关键词
江门/增水/纬向风/副热带高压Key words
Jiangmen/residual water level/zonal winds/subtropical high分类
海洋学引用本文复制引用
秦钰,邢会斌,张娟..江门海域增水特征分析[J].海洋预报,2025,42(2):18-29,12.基金项目
国家自然科学基金面上项目(52071350) （52071350）
自然资源部海洋环境探测技术与应用重点实验室项目(MESTA-2022-D010). （MESTA-2022-D010）
