Observational study of super typhoon Meranti (2016) using satellite, surface drifter, Argo float and reanalysis data
Observational study of super typhoon Meranti (2016) using satellite, surface drifter, Argo float and reanalysis data
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利用卫星、表面漂流器、Argo浮标和再分析数据对超强台风莫兰蒂（2016）进行观测研究
DOI：
10.1007/s13131-021-1702-9
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发表时间：
2021-01
影响因子：
1.4
通讯作者：
Qiao Wenli
中科院分区：
文献类型：
--
作者：
Chen Hui;Li Shuang;He Hailun;Song Jinbao;Ling Zheng;Cao Anzhou;Zou Zhongshui;Qiao Wenli
本文利用多数据源对超强台风莫兰蒂（2016）的基本特征进行了描述。本文主要利用多平台卫星、原位海面漂浮器和Argo浮标研究了莫兰蒂对上层海洋的响应，并将结果与广泛使用的理想风涡模型和再分析数据集进行了比较。先前存在的中尺度涡旋提供了有利的下垫面边界条件，也调节了上层海洋对莫兰蒂的响应。结果表明：“莫兰蒂”过后海面最大降温幅度为2.0°C；卫星地表风未能捕捉到莫兰蒂的核心结构。根据海面漂移者的观测，在莫兰蒂通过期间，近惯性流明显增强。Argo浮标的温度和盐度剖面显示了莫兰蒂引起的混合层伸展和地下上升流。对比结果表明，再分析数据集的海面温度和海面风与遥感数据集存在差异。卫星观测和现场观测的海面降温趋势相似，海面盐度响应与降水速率的相关性较低。
The present work describes the basic features of super typhoon Meranti (2016) by multiple data sources. We mainly focus on the upper ocean response to Meranti using multiplatform satellites, in situ surface drifter and Argo floats, and compare the results with the widely used idealized wind vortex model and reanalysis datasets. The pre-existing meso-scale eddy provided a favor underlying surface boundary condition and also modulated the upper ocean response to Meranti. Results show that the maximum sea surface cooling was 2.0°C after Meranti. The satellite surface wind failed to capture the core structure of Meranti as the idealized wind vortex model deduced. According to the observation of sea surface drifters, the near-inertial currents were significantly enhanced during the passage of Meranti. The temperature and salinity profiles from Argo floats revealed both the mixed-layer extension and subsurface upwelling induced by Meranti. The comparison results show that the sea surface temperature and surface wind in the reanalysis datasets differs from those in remote sensing system. Sea surface cooling is similar in both satellite and in situ observation, and sea surface salinity response has a lower correlation with the precipitation rate.
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DOI：
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期刊：
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