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技術發展
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近底磁力儀探測優化改進

發布日期: 2015-07-21 15:44:59

近底磁力儀是由國家海洋局第二海洋研究所從加拿大引進的能在深水環境測量磁力大小的高技術設備,在國外已經被廣泛應用于海底礦床及地質環境的調查,也是一種重要的常規熱液硫化物礦區調查手段。該儀器專門為深海工作環境設計,最大工作水深可以達到水下6000m,量程為8,000 ~120,000 nT絕對精度為0.2nT(在整個量程范圍內)。為了盡量減少無關的磁力干擾,國家海洋局第二海洋研究所設計了一套純鈦結構的拖體,用來作為磁力儀的載體,另外拖體上還搭載有超短基線定位系統水下應答器,能對水下拖體進行定位。在2014年大洋30航次的第1航段中,近底磁力儀首次在我國西南印度洋硫化物礦區進行6條測線的近底磁力探測,為該設備的優化改進和進一步使用積累了經驗。

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  • 國家海洋局
  • 國際海底管理局
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