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Journal of Tropical Oceanography >

2015 , Vol. 34 >Issue 2: 8 - 14

DOI: https://doi.org/10.11978/j.issn.1009-5470.2015.02.002

Reliability analysis of marine monitoring buoy in the Xiangshan Harbor during Typhoon Haikui (1211)

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  • 1. Marine Monitoring & Forecasting Center of Zhejiang Province, Hangzhou 310007, China;
    2. Ningbo Marine & Fisheries Information Monitoring Center, Ningbo 315010, China;
    3. Zhejiang Fisheries Technical Extension Center, Hangzhou 310012, China;
    4. Zhejiang Province Academy of Marine Sciences, Hangzhou 310012, China

Received date: 2014-03-07

  Revised date: 2014-06-18

  Online published: 2015-04-12

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Abstract

Typhoon Haikui (1211) was the first typhoon that made landfall in Zhejiang province since 2009, which was also the strongest landfall typhoon in China in 2012. After touch-down in the Xiangshan coast, Typhoon Haikui moved to the northwest slowly, and crossed the Xiangshan Harbor. There was a marine monitoring buoy in the Xiangshan Harbor. Using the data of meteorological and water quality parameters collected by the marine monitoring buoy, we analyzed the reliability of the marine monitoring buoy in the Xiangshan Harbor during Typhoon Haikui. The results showed that during the influence of Typhoon Haikui, the water temperature dropped due to a near-inertial oscillation, which generated by the wind stress in the Xiangshan Harbor. The air temperature, pH and dissolved oxygen content collected by the marine monitoring buoy showed little change. The air pressure continued to decline until two hours after the landfall. Wind and rainfall fluctuated. Due to the heavy rainfall brought by Typhoon Haikui, the amount of water, water depth and water turbidity increased due to runoff; the water temperature dropped; and the salinity decreased. Typhoon Haikui weakened slowly after the landfall, and one of the main reasons for the weakening was the terrains in Jiangsu, Zhejiang and Anhui provinces. The near-inertial oscillation with a shorter duration was not sufficient to cause a large position change of the marine monitoring buoy．During the typhoon event, the buoy basically remained in its position. The marine monitoring buoy whose ability to resist typhoon met the design requirements functioned as a relatively stable real-time monitoring system.

Key words： Xiangshan Harbor; marine; buoy; Typhoon Haikui; near-inertial oscillation

Cite this article

ZHAO Cong-jiao, FENG Hui-qiang, ZHU Xiang-yu, ZHOU Yan . Reliability analysis of marine monitoring buoy in the Xiangshan Harbor during Typhoon Haikui (1211)[J]. Journal of Tropical Oceanography, 2015 , 34(2) : 8 -14 . DOI: 10.11978/j.issn.1009-5470.2015.02.002

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