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Air-Sea-Land Forcing in the Gulf of Tonkin

机译:海上陆地强迫汤金湾

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摘要

A US-Vietnamese collaborative program established in 2014 provides a framework for partnership with foreign governments. A primary objective of the program is to enhance the Vietnamese collaborators' skills through training and education and to increase the capacity of their local institutions to conduct research and collect observations that benefit Vietnam. Here, we the synthesize the first results from this program, including development of a high-resolution numerical model and implementation of satellite imagery, high-frequency radar-based surface current measurements, repeat (monthly) coastal hydrography, and drifter and wave observations. We assess seasonal circulation trends along the western Gulf of Tonkin, specifically focusing on the seasonality of a unique Red River water mass that was largely ignored by earlier studies. The development and downcoast advection of the seasonal coastal current was found to be a key dynamical feature of the western region of the gulf. Additionally, observational data sets suggest episodic forcing from storm events is important to the higher frequency dynamics in the region. Collection and subsequent analysis of extensive data sets by this US-Vietnamese partnership confirm the importance of riverine input to Gulf of Tonkin dynamics and address a known scientific gap in previous studies of the region.
机译:2014年建立的美国越南协作计划为与外国政府合作提供了框架。该计划的主要目标是通过培训和教育提高越南合作者的技能,并提高当地机构的能力进行研究和收取越南有益的观察。在这里,我们综合来自该程序的第一个结果,包括开发高分辨率数值模型和卫星图像的实施,高频雷达基表面电流测量,重复(每月)沿海水文,以及漂移和波浪观测。我们评估沿西瓜西部湾的季节性循环趋势,专门关注季节性的季节性,这些季节性是早期研究的独特红河水质。发现季节性沿海潮流的发展和较额度平流是海湾西部地区的关键动态特征。此外,观察数据集提出来自风暴事件的情节迫使对该区域的较高频率动态来说是重要的。本美国 - 越南伙伴关系的集合和随后分析了广泛的数据集,证实了河流投入对Tonkin动力学的河流的重要性,并在该地区以前的研究中解决了一个已知的科学差距。

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  • 来源
    《Oceanography》 |2019年第2期|150-161|共12页
  • 作者单位

    Univ Calif San Diego Scripps Inst Oceanog CORDC La Jolla CA 92093 USA;

    Rutgers State Univ Dept Marine & Coastal Sci New Brunswick NJ USA;

    Oregon State Univ Coll Earth Ocean & Atmospher Sci Corvallis OR 97331 USA;

    Univ Calif San Diego Scripps Inst Oceanog CORDC La Jolla CA 92093 USA;

    Rutgers State Univ Dept Marine & Coastal Sci New Brunswick NJ USA;

    Vietnam Adm Seas & Isl Ctr Oceanog Hanoi Vietnam;

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