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海洋在线监测浮标在赤潮监测中的应用研究 被引量:6

Application of Real-time monitoring buoy in monitoring red tide
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摘要 利用布设在广西区钦州湾的GX11、GX13两套实时在线监测浮标,研究钦州湾2016年5月发生的红色赤潮藻(Akashiwo sanguinea)赤潮前后实时监测数据的变化情况。结果表明赤潮的暴发与消退受水文气象因素影响,当寒流过后,出现风速降低、气温迅速回升,尤其是气温呈现昼夜温差小的天气状况时,应重点监控实时在线浮标监测数据的变化。赤潮过程中pH、溶解氧浓度、叶绿素浓度存在明显的昼夜变化规律并高于正常范围,三种环境要素具有显著的正相关;当实时在线浮标监测中发现pH、溶解氧浓度、叶绿素浓度呈现较明显联动的强烈波动,并且数值相对正常范围迅速升高时,可进行赤潮预警及布置现场调查; pH、溶解氧浓度、叶绿素浓度的实时在线监测可作为预警环境要素,为赤潮预警提供科学参考。 We analyzed the marine online monitoring buoy data of Qinzhou Bay in May 2016 to identify the trend in the real-time monitoring data during the Akashiwo sanguinea red tide.Results showed that the outbreak and disappearance of red tide were affected by hydrological and meteorological factors.After the cold surge,the weather condition turned to reduced wind,temperature increased rapidly,especially the temperature showed a small difference between day and night.During such change of weather,attention should have paid to online monitoring buoy.The contents of pH,DO and chlorophyll were higher than their normal ranges,and there existed obvious diurnal variation during the outbreak of red tide.The contents of pH,DO and chlorophyll had significant positive correlations.When the trend of real-time monitoring data showed that pH,DO and chlorophyll had strong fluctuations in a clear linkage and the values increased rapidly above their normal ranges,early warning of red tide should be issued and field investigation can be started.Real-time monitoring of pH,DO and chlorophyll as environmental factors can provide a scientific reference for predicting red tide.
作者 陈旭阳 刘保良 CHEN Xuyang;LIU Baoliang(Beihai Marine Environmental Monitoring Center Station of State Oceanic Administration,Beihai 53600,China)
出处 《热带海洋学报》 CAS CSCD 北大核心 2018年第5期20-24,共5页 Journal of Tropical Oceanography
基金 国家海洋公益性行业科研专项经费项目(201305023) 国家海洋局南海分局海洋科学技术局长基金项目(1538)~~
关键词 赤潮 浮标 在线监测 广西 Red tide Monitoring buoy Guangxi
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