Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea

Jiemeihui Li; Yixin Yang; Yang Shi; Jiapeng Liu

doi:10.1109/OCEANSE.2019.8867546

Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea

Jiemeihui Li, Yixin Yang, Yang Shi, Jiapeng Liu

School of Marine Science and Technology

Northwestern Polytechnical University Xian

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

Satellite remotely-sensing observations are used to reconstruct the underwater environment of temperature and salinity which was named as the method Modular Ocean Data Assimilation System (MODAS) by US navy laboratory. The MODAS in the South China Sea has been developed by the South China Sea Institute of Oceanology, Chinese Academy of Sciences. Based on the system, this paper estimates the sound speed profile from MODAS and Argo and its effect on sound propagation in the South China Sea. Although the overall root mean square error (RMSE) was only 1.3m/s, the error was mainly within 200m, reaching 4.8m/s maximally. The inversion error of sound speed profile did not affect the location and width of convergence zones in deep-sea channels, but the surface duct was abnormal.

Original language	English
Title of host publication	OCEANS 2019 - Marseille, OCEANS Marseille 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781728114507
DOIs	https://doi.org/10.1109/OCEANSE.2019.8867546
State	Published - Jun 2019
Event	2019 OCEANS - Marseille, OCEANS Marseille 2019 - Marseille, France Duration: 17 Jun 2019 → 20 Jun 2019

Publication series

Name	OCEANS 2019 - Marseille, OCEANS Marseille 2019
Volume	2019-June

Conference

Conference	2019 OCEANS - Marseille, OCEANS Marseille 2019
Country/Territory	France
City	Marseille
Period	17/06/19 → 20/06/19

Keywords

MODAS
satellite remotely sensing
sound speed profile
the South China Sea
underwater sound propagation

Access to Document

10.1109/OCEANSE.2019.8867546

Cite this

Li, J., Yang, Y., Shi, Y., & Liu, J. (2019). Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea. In OCEANS 2019 - Marseille, OCEANS Marseille 2019 Article 8867546 (OCEANS 2019 - Marseille, OCEANS Marseille 2019; Vol. 2019-June). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/OCEANSE.2019.8867546

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title = "Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea",

abstract = "Satellite remotely-sensing observations are used to reconstruct the underwater environment of temperature and salinity which was named as the method Modular Ocean Data Assimilation System (MODAS) by US navy laboratory. The MODAS in the South China Sea has been developed by the South China Sea Institute of Oceanology, Chinese Academy of Sciences. Based on the system, this paper estimates the sound speed profile from MODAS and Argo and its effect on sound propagation in the South China Sea. Although the overall root mean square error (RMSE) was only 1.3m/s, the error was mainly within 200m, reaching 4.8m/s maximally. The inversion error of sound speed profile did not affect the location and width of convergence zones in deep-sea channels, but the surface duct was abnormal.",

keywords = "MODAS, satellite remotely sensing, sound speed profile, the South China Sea, underwater sound propagation",

author = "Jiemeihui Li and Yixin Yang and Yang Shi and Jiapeng Liu",

note = "Publisher Copyright: {\textcopyright} 2019 IEEE.; 2019 OCEANS - Marseille, OCEANS Marseille 2019 ; Conference date: 17-06-2019 Through 20-06-2019",

year = "2019",

month = jun,

doi = "10.1109/OCEANSE.2019.8867546",

language = "英语",

series = "OCEANS 2019 - Marseille, OCEANS Marseille 2019",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

booktitle = "OCEANS 2019 - Marseille, OCEANS Marseille 2019",

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Li, J, Yang, Y, Shi, Y & Liu, J 2019, Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea. in OCEANS 2019 - Marseille, OCEANS Marseille 2019., 8867546, OCEANS 2019 - Marseille, OCEANS Marseille 2019, vol. 2019-June, Institute of Electrical and Electronics Engineers Inc., 2019 OCEANS - Marseille, OCEANS Marseille 2019, Marseille, France, 17/06/19. https://doi.org/10.1109/OCEANSE.2019.8867546

Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea. / Li, Jiemeihui; Yang, Yixin; Shi, Yang et al.
OCEANS 2019 - Marseille, OCEANS Marseille 2019. Institute of Electrical and Electronics Engineers Inc., 2019. 8867546 (OCEANS 2019 - Marseille, OCEANS Marseille 2019; Vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea

AU - Li, Jiemeihui

AU - Yang, Yixin

AU - Shi, Yang

AU - Liu, Jiapeng

PY - 2019/6

Y1 - 2019/6

N2 - Satellite remotely-sensing observations are used to reconstruct the underwater environment of temperature and salinity which was named as the method Modular Ocean Data Assimilation System (MODAS) by US navy laboratory. The MODAS in the South China Sea has been developed by the South China Sea Institute of Oceanology, Chinese Academy of Sciences. Based on the system, this paper estimates the sound speed profile from MODAS and Argo and its effect on sound propagation in the South China Sea. Although the overall root mean square error (RMSE) was only 1.3m/s, the error was mainly within 200m, reaching 4.8m/s maximally. The inversion error of sound speed profile did not affect the location and width of convergence zones in deep-sea channels, but the surface duct was abnormal.

AB - Satellite remotely-sensing observations are used to reconstruct the underwater environment of temperature and salinity which was named as the method Modular Ocean Data Assimilation System (MODAS) by US navy laboratory. The MODAS in the South China Sea has been developed by the South China Sea Institute of Oceanology, Chinese Academy of Sciences. Based on the system, this paper estimates the sound speed profile from MODAS and Argo and its effect on sound propagation in the South China Sea. Although the overall root mean square error (RMSE) was only 1.3m/s, the error was mainly within 200m, reaching 4.8m/s maximally. The inversion error of sound speed profile did not affect the location and width of convergence zones in deep-sea channels, but the surface duct was abnormal.

KW - MODAS

KW - satellite remotely sensing

KW - sound speed profile

KW - the South China Sea

KW - underwater sound propagation

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PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 2019 OCEANS - Marseille, OCEANS Marseille 2019

Y2 - 17 June 2019 through 20 June 2019

ER -

Estimation of Sound Speed Profile from MODAS and Its Effect on Sound Propagation in the South China Sea

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