SMS scnews item created by Eduardo Altmann at Tue 30 Apr 2019 1429
Type: Seminar
Distribution: World
Expiry: 14 May 2019
Calendar1: 8 May 2019 1400-1500
CalLoc1: AGR Carslaw 829
CalTitle1: Autonomous Curve Fitting of the Dst index during Geomagnetic Storms
Auth: ega@dora.maths.usyd.edu.au

Applied Maths Seminar

Autonomous Curve Fitting of the Dst index during Geomagnetic Storms

McCreadie

Wednesday May 8, 2pm in the AGR room

Dr. Heather McCreadie (Aberystwyth University )

Title: Autonomous Curve Fitting of the Dst index during Geomagnetic Storms

Abstract: A technique has been developed to fit all types of geomagnetic storms identified in the Dst. A lognormal fitting procedure may be used to describe any storm by setting the lognormal standard deviation to greater than 0.9. The fit needs to be constrained around the peak time and the scaling factor determined. This will enable an autonomous method for fitting any type of storm within the Dst. The unique factor identifying the relationship between the main and recovery phase of a storm is the lognormal mean.

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