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天津城市地铁对地磁观测干扰的实验研究
Experimental study of geomagnetic observation disturbance from the subway system in Tianjin
- DOI:
- 作者:
- 董洪军 徐学恭 王建国 张明东 尚先旗 胡培元 田山
- 作者单位:
- 中国天津 300201 天津市地震局
- 关键词:
- 地铁；地磁；干扰
subway, geomagnetism， disturbance
- 摘要:
- 通过在与地铁线路垂直方向野外布设测线，对不同距离的测点进行地磁干扰强度的连续测量，计算出在不同测点的地磁场干扰幅度，得到现有规模的地铁对地磁观测的干扰范围。
The method adopted by laid survey line perpendicular to the direction of subway line, and continuously measure geomagnetic disturbance intensity at different points, the disturbance amplitudes of the geomagnetic field at different measurement points are calculated. And the range of the geomagnetic observation disturbance under the current size of Tianjin subway is obtained.
