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Reading: Re-Evaluation of Geomagnetic Field Observation Data at Syowa Station, Antarctica

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Re-Evaluation of Geomagnetic Field Observation Data at Syowa Station, Antarctica

Authors:

K Takahashi ,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595, Ishioka, Ibaraki 315-0116, Japan, JP
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Y Minamoto,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595, Ishioka, Ibaraki 315-0116, Japan, JP
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S Arita,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595, Ishioka, Ibaraki 315-0116, Japan, JP
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I Tomofumi,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595, Ishioka, Ibaraki 315-0116, Japan, JP
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A Kadokura

National Institute of Polar Research, 10-3 Midoricho, Tachikawa, Tokyo 190-8518, Japan, JP
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Abstract

The Japanese Antarctic Research Expedition has conducted geomagnetic observations at Syowa Station, Antarctica, since 1966. Geomagnetic variation data measured with a fluxgate magnetometer are not absolute but are relative to a baseline and show drift. To enhance the importance of the geomagnetic data at Syowa Station, therefore, it is necessary to correct the continuous variation data by using absolute baseline values acquired by a magnetic theodolite and proton magnetometer. However, the database of baseline values contains outliers. We detected outliers in the database and then converted the geomagnetic variation data to absolute values by using the reliable baseline values.

DOI: http://doi.org/10.2481/dsj.WDS-044
How to Cite: Takahashi, K. et al., (2013). Re-Evaluation of Geomagnetic Field Observation Data at Syowa Station, Antarctica. Data Science Journal. 12, pp.WDS243–WDS246. DOI: http://doi.org/10.2481/dsj.WDS-044
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Published on 02 May 2013.
Peer Reviewed

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