CHANGES IN THE INTENSITY OF THE GEOMAGNETIC-FIELD

被引：7
|
作者：
WALTON, D
机构：
[1] Physics Department, McMaster University Hamilton, Ontario
来源：
GEOPHYSICAL RESEARCH LETTERS | 1990年 / 17卷 / 12期
关键词：
D O I：
10.1029/GL017i012p02085
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
A new, more reliable technique has been used to determine the ancient intensity of the earth's magnetic field using samples of baked clay from eight sites in the Eastern Mediterranean. The resultant power spectrum reveals a single strong component with a period of 1430 years. The reproducibility of the results obtained with the new method also makes limited archaeomagnetic dating with a precision of between about one and two hundred years between 900 BC and AD 400 possible. Copyright 1990 by the American Geophysical Union.
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页码：2085 / 2088
页数：4
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