Rectangular polynomial analysis of the regional geomagnetic field

The method of rectangular polynomial analysis (RPA) is developed and refined to represent a curl-free potential field of internal origin. It is applied to annual mean values of the geomagnetic field from 42 European observatories. RPA is found to be an efficient means of representing the regional fi...

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Veröffentlicht in:	Geophysical journal international 1997-03, Vol.128 (3), p.737-743
Hauptverfasser:	Düzgit, Z., Baydemir, N., Malin, S. R. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	geomagnetism modelling polynomial regional field
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Beschreibung
Zusammenfassung:	The method of rectangular polynomial analysis (RPA) is developed and refined to represent a curl-free potential field of internal origin. It is applied to annual mean values of the geomagnetic field from 42 European observatories. RPA is found to be an efficient means of representing the regional field, though less suitable for modelling the anomaly field.
ISSN:	0956-540X 1365-246X
DOI:	10.1111/j.1365-246X.1997.tb05333.x