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タイトル: 16. 地球磁場の地方的異常及び永年變化に就て(第II報)
その他のタイトル: 16. Regional Anomaly and Secular Variation in Geomagnetism
著者: 永田, 武
著者(別言語): Nagata, Takesi
発行日: 1944年8月15日
出版者: 東京帝国大学地震研究所
掲載誌情報: 東京帝国大学地震研究所彙報. 第21冊第3/4号, 1944.8.15, pp.366-375
抄録: In this note, under the assumption that the primary main geomagnetic field can be substituted by the centred dipole with the magnetizing direction specified by the ratios g^0_1; g^1_1: h^1_1 the distribution of subterranean permeable mass, which is responsible for the regional anomaly on the earth's surface, was calculated. The mode of distribution of the permeable mass is shown in Fig.1. This result does not much differ from that of the similar computation made under the assumption that the centred dipole is coaxial with the direction of axis of rotation of the earth. In the present case also, just as in the case mentioned in the previous paper, it was concluded that the actual geomagnetic potential contains the exceptional part for which the subterranean mass cannot be responsible, though the amount of this exceptional part was much smaller than that in the case concerned in the previous paper.
URI: http://hdl.handle.net/2261/10600
ISSN: 00408972


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