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首页> 外文期刊>Ocean Dynamics >Wave observations from an array of directional buoys over the southern Brazilian coast
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Wave observations from an array of directional buoys over the southern Brazilian coast

机译：在巴西南部海岸的一系列定向浮标上进行海浪观测

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摘要

It is well known that the majority of buoy measurements are located around the US coast and along some Europeans countries. The lack of long-term and densely spaced in situ measurements in the Southern Hemisphere in general, and the South Atlantic in particular, hinders several investigations due to the lack of detailed metocean information. Here, we present an effort to overcome this limitation, with a dense network of buoys along the Brazilian coast, equipped with several meteorological and oceanographic sensors. Out of ten currently operational buoys, three are employed to present the main characteristics of waves in the Southern part of the network. For the first time, sensor characteristics and settings are described, as well as the methods applied to the raw wave data. Statistics and distributions of wave parameters, swell propagating events, comparison with a numerical model and altimeters and a discussion about the occurrence of freak waves are presented.
机译：众所周知，大多数浮标测量值都位于美国沿岸和某些欧洲国家。总体而言，南半球，尤其是南大西洋缺乏长期且密集的原位测量，由于缺乏详细的气象信息，阻碍了一些研究。在这里，我们将努力克服这一限制，在巴西沿岸建立了密集的浮标网络，并配备了多个气象和海洋传感器。在目前使用的十个浮标中，有三个被用来表示该网络南部海浪的主要特征。首次描述了传感器的特性和设置，以及应用于原始波数据的方法。提出了波浪参数的统计和分布，膨胀传播事件，与数值模型和高度计的比较以及关于畸形波的发生的讨论。

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