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热带海洋学报 >

2012 , Vol. 31 >Issue 5: 83 - 87

DOI: https://doi.org/10.11978/j.issn.1009-5470.2012.05.012

海洋矿物资源及开发

海底冷泉渗漏气体流量原位在线测量技术研究

  • 邸鹏飞 ,
  • 陈庆华 ,
  • 陈多福
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  • 1.中国科学院边缘海地质重点实验室, 中国科学院南海海洋研究所, 广东 广州 510301; 2.中国科学院三亚深海科学与工程研究所, 海南 三亚 572000; 3.中国科学院边缘海地质重点实验室, 广州地球化学研究所, 广东 广州 510640
邸鹏飞(1982—), 男, 河北省保定市人, 助理研究员, 海洋地质与石油地质方向, 主要从事海底冷泉及天然气水合物研究。

收稿日期: 2011-11-23

  修回日期: 2012-02-02

  网络出版日期: 2013-02-06

基金资助

中国科学院三亚深海科学与工程研究所知识创新工程领域前沿项目(SIDSSE-201208);中国科学院海洋地质与环境重点实验室开放基金项目(MGE2012KG08); 中国科学院知识创新工程青年人才领域前沿项目(SQ201110); 国家海洋局海底科学重点实验室开放基金项目(KLSG1204)

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In situ on-line measuring device of gas seeping flux at marine seep sites and experimental study

  • DI Peng-fei ,
  • CHEN Qing-hua ,
  • CHEN Duo-fu
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  • 1. Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; 2. Sanya Institute of deep sea science and Engineering, Chinese Academy of Sciences, Sanya 572000, China; 3. Key Laboratory of Marginal Sea Geology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China

Received date: 2011-11-23

  Revised date: 2012-02-02

  Online published: 2013-02-06

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摘要

海底冷泉渗漏气体原位在线测量装置是采用体积排空法的原理测定海底冷泉天然气渗漏通量。原位在线测量装置是由气体流量收集测定系统、数据存储控制系统和数据提取、分析、处理软件系统组成。气体流量收集测定系统用来测定冷泉天然气渗漏通量, 数据存储控制系统用来存储数据和控制电磁阀的打开与关闭, 数据提取、分析、处理件系统用来读取、分析、处理存储的流量数据和设置原位在线测量装置的运行时间。通过实验测试获得了原位在线测量装置的各项参数, 其流速测定范围为0—15300mL?min?1, 测量误差为±1%, 为研究海底冷泉天然气渗漏流量变化提供了新的技术和方法。

关键词： 冷泉渗漏; 流量测定; 体积排空法; 原位; 测量装置

本文引用格式

邸鹏飞 , 陈庆华 , 陈多福 . 海底冷泉渗漏气体流量原位在线测量技术研究[J]. 热带海洋学报, 2012 , 31(5) : 83 -87 . DOI: 10.11978/j.issn.1009-5470.2012.05.012

Abstract

The method of volume emptying is applied in an in situ on-line measuring device (shortened as MD) of gas seeping flux at marine seeping sites, which is used to measure gas flux at marine seep sites. The MD mainly consists of a gas flux measuring system, a data storage-and-control system, and data extraction, analysis and processing software. A gas flux measuring system is used to measure gas seeping flux. A data storage-and-control system is used to store data and control valve opening and closing automatically. Data extraction, analysis and processing software is used to analyze and process stored data and to set run duration of MD. The parameters of MD are obtained through experimental tests. Its flow velocity ranges from 0 to 15300 mL?min?1 and its measuring error is about±1%. This study provides a new technology and approach for measurement of gas seeping flux at marine seep sites.

Key words： cold seepage; flow measurement; method of volume emptying; in situ; measuring device

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