Distribution analysis of errors due to relocation of geomagnetic data using the 'Conversion via Pole' (CVP) method: implications on archaeomagnetic data

被引：64

作者：

Casas, Ll. ^{[1
]}

Incoronato, A. ^{[1
]}

机构：

[1] Univ Naples Federico II, Dipartimento Sci Terra, Naples, Italy

来源：

GEOPHYSICAL JOURNAL INTERNATIONAL | 2007年 / 169卷 / 02期

关键词：

archaeomagnetism; geomagnetism; magnetic dating;

D O I：

10.1111/j.1365-246X.2007.03346.x

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Secular variation 'master' curves are built up using geomagnetic historical observations or archaeomagnetic data from a limited area and their use is usually restricted to regions of around 1000 km radius. Relocation of data within this distance is a common practice to enable comparison of data, although the errors due to such process are rarely taken into account. A detailed analysis of the distribution of relocating geomagnetic data has been done using three popular sets of geomagnetic models (IGRF-9, GUFM and CALS7K-2). This study improves the error analysis of relocating geomagnetic directions made up to date and expands it to geomagnetic intensities. Maximum errors correlate with the non-dipole to dipole field ratio. Archaeomagnetists could use this analysis to valuate the error introduced by reducing data.

引用

页码：448 / 454

页数：7

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