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The 3-D Geomagnetic Induction Modeling and the Application of Difference Arrow Considering with Conductivity Structures on the Korean Peninsula  

Oh, Seok-Hoon (Marine Meteorology & Earthquake Res. Lab., Meteorological Research Institute)
Lee, Duk-Kee (Marine Meteorology & Earthquake Res. Lab., Meteorological Research Institute)
Kwon, Byung-Doo (Department of Earth Science Education, Seoul National University)
Youn, Yong-Hoon (Marine Meteorology & Earthquake Res. Lab., Meteorological Research Institute)
Yang, Jun-Mo (Marine Meteorology & Earthquake Res. Lab., Meteorological Research Institute)
Publication Information
Journal of the Korean earth science society / v.24, no.5, 2003 , pp. 440-448 More about this Journal
Abstract
We have performed 3-D geomagnetic induction Modeling considering with anomalous conductive structures to interpret the conductive anomaly proposed by previous studies on the Korean Peninsula. The results of modeling coincide well with the observed induction arrow. we confirm the fact that Imjin River Belt and Ogcheon Belt presumed in the model are reasonable. In the western-middle area of the peninsula (YIN, ICHN) the induction arrows seem to reflect the existence for the Imjin River Belt and the induction arrows in western-south area (HNS, CHY, DZN, MWN) is likely to reflect the effect of the Ogcheon Belt. The difference arrows, calculated by subtracting the sea effect from observed induction arrow in the western area of the peninsula at the period of 60-minutes, show little difference with the observed induction arrows. Especially, the difference arrows in YIN, ICHN also show a similar pattern to those at the periods longer than 10-minutes. These results strongly suggest that the Imjin River Belt and the Ogcheon Belt extend down to the deep part of the crust in spite of the limitation of our model.
Keywords
Geomagnetic induction modeling; induction arrow; difference arrow; Imjin River Belt; Ogcheon Belt;
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Times Cited By KSCI : 1  (Citation Analysis)
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