Unveiling three-dimensional sea surface signatures caused by internal solitary waves: insights from the surface water ocean topography mission

Xudong ZHANG; Xiaofeng LI

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Unveiling three-dimensional sea surface signatures caused by internal solitary waves: insights from the surface water ocean topography mission

Physics | Updated：2024-10-14

- Unveiling three-dimensional sea surface signatures caused by internal solitary waves: insights from the surface water ocean topography mission
- Journal of Oceanology and Limnology Vol. 42, Issue 3, Pages: 709-714(2024)
- Affiliations：
  
  Key Laboratory of Ocean Observation and Forecasting, Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Author bio：
  
  lixf@qdio.ac.cn
- Funds：
- DOI：
  CLC：
- Received：28 December 2023，
  
  Online First：26 January 2024，
  
  Published：01 May 2024
- Accepted：
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ZHANG Xudong,LI Xiaofeng.Unveiling three-dimensional sea surface signatures caused by internal solitary waves: insights from the surface water ocean topography mission[J].Journal of Oceanology and Limnology,2024,42(03):709-714.
DOI：

ZHANG Xudong,LI Xiaofeng.Unveiling three-dimensional sea surface signatures caused by internal solitary waves: insights from the surface water ocean topography mission[J].Journal of Oceanology and Limnology,2024,42(03):709-714. DOI：

摘要

Abstract

Internal solitary waves (ISW)

characterized by large amplitude and long propagation distance

are widespread in global oceans. While remote sensing images have played an essential role in studying ISWs

they mainly exploit two-dimensional image information. However

with the launch of the surface water ocean topography (SWOT) satellite on December 16

2022

a unique opportunity has emerged to capture wide-swath three-dimensional ISW-induced sea surface information. In this study

we examine ISWs in the Andaman Sea using data from the Ka-band Radar Interferometer (KaRIN)

a crucial sensor onboard SWOT. KaRIN not only provides backscattering satellite images but also employs synthetic aperture interferometry techniques to retrieve wide-swath two-dimensional sea surface height measurements. Our observations in the Andaman Sea revealed the presence of ISWs characterized by dark-bright strips and surface elevation solitons. The surface soliton has an amplitude of 0.32 m

resulting in an estimation of ISW amplitude of approximately 60 m. In contrast to traditional two-dimensional satellite images or nadir-looking altimetry data

the SWOT mission’s capability to capture three-dimensional sea surface information represents a significant advancement. This breakthrough holds substantial promise for ISW studies

particularly in the context of ISW amplitude inversion.

关键词

Keywords

references

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Related Institution

Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, and the Center for Ocean Mega-Science, Chinese Academy of Sciences

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Qingdao Key Laboratory of AI Oceanography

Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences

Key Laboratory of Ocean Observation and Forecasting, Institute of Oceanology, Chinese Academy of Sciences

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