A marine search and rescue exercise in Zhoushan sea area and analysis of target trajectory forecast

ZHAO Qiang*; SHU Zhi-guang; ZHU Long; TANG Zhi-hua; LV Cui-lan; LONG Shao-qiao

doi:10.16411/j.cnki.issn1006-7736.2017.03.004

Journal of Dalian Maritime University >

2017 , Vol. 43 >Issue 3: 19 - 24

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2017.03.004

A marine search and rescue exercise in Zhoushan sea area and analysis of target trajectory forecast

ZHAO Qiang* ,
SHU Zhi-guang ,
ZHU Long ,
TANG Zhi-hua ,
LV Cui-lan ,
LONG Shao-qiao

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(Ningbo Marine Environment Monitoring Center,State Oceanic Administration,Ningbo 305012,China)

Received date: 2017-01-03

Revised date: 2017-02-20

Online published: 2017-02-20

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Abstract

To test the search and rescue forecast model, a search and rescue exercise was conducted by East China Sea Branch of State Oceanic Administration in Huangzeyang sea area, north of Zhoushan Island. The Leeway model was used to forecast simulate the target trajectories based on the predicted wind field and current field. Influenced by the wind and current, the targets drifted along southeast-northwest clockwise spiral pathes. The feature of the trajectories is revealled by the forecast model with errors, which are indeced mostly by the current forecast. By the hindcast simulation test, it is found that the simulation accuracy of Leeway model is relatively low for the target movement against with wind direction, especially for small flow rate or during steering time.

Key words： Zhoushan sea area; marine search and rescue; Leeway model; search and rescue model; numerical forecast

Cite this article

ZHAO Qiang* , SHU Zhi-guang , ZHU Long , TANG Zhi-hua , LV Cui-lan , LONG Shao-qiao . A marine search and rescue exercise in Zhoushan sea area and analysis of target trajectory forecast[J]. Journal of Dalian Maritime University, 2017 , 43(3) : 19 -24 . DOI: 10.16411/j.cnki.issn1006-7736.2017.03.004

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