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Description

The average morphology of magnetic storms with sudden commencement was studied with 346 magnetic storms that occurred in the years 1902 to 1945. Magnetic records from 26 observatories were used. The 346 magnetic storms were classed into three intensity groups of great, moderate and weak storms, and their morphology was investigated separately. The storm variation was analyzed into two parts, Dst and DS. DS was analyzed harmonically, and its changes with storm time were studied in great detail. The author’s present views on storm sudden commencements and on the abnormal nature of the storm variations at the geomagnetic equator are briefly reviewed in this report.

Publication Date

10-17-1961

Keywords

Geomagnetism, Magnetic storms

Handle

http://hdl.handle.net/11122/15588

A study of the morphology of geomagnetic storms

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