Methodology for time-domain estimation of storm time geoelectric fields using the 3-D magnetotelluric response tensors

Kelbert, Anna; Balch, Christopher C.; Pulkkinen, Antti; Egbert, Gary D.; Love, Jeffrey J.; Rigler, E. Joshua; Fujii, Ikuko

doi:10.1002/2017sw001594

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Methodology for time-domain estimation of storm time geoelectric fields using the 3-D magnetotelluric response tensors

2017
By Kelbert, Anna ; Balch, Christopher C. ; Pulkkinen, Antti ; ...
Source: Space Weather, 15(7), 874-894

[PDF-2.97 MB]

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Details:

Journal Title:

Space Weather
Personal Author:

Kelbert, Anna ; Balch, Christopher C. ; Pulkkinen, Antti ; Egbert, Gary D. ; Love, Jeffrey J. ; ... More +

Kelbert, Anna ; Balch, Christopher C. ; Pulkkinen, Antti ; Egbert, Gary D. ; Love, Jeffrey J. ; Rigler, E. Joshua ; Fujii, Ikuko Less -
NOAA Program & Office:

NWS (National Weather Service) ; SWPC (Space Weather Prediction Center)

NWS (National Weather Service) ; SWPC (Space Weather Prediction Center) Less -
Description:

GeoelectricﬁeldsattheEarth’ssurfacecausedbymagneticstormsconstituteahazardto theoperationofelectricpowergridsandrelate dinfrastructure.Theabilitytoestimatethesegeoelectric ﬁelds in close to real time and provide local predictions would better equip the industry to mitigate negativeimpactsontheiroperations.Herewereportprogresstowardthisgoal:developmentofrobust algorithmsthatconvolveamagneticstormtimeserieswithafrequencydomainimpedanceforarealisticthree-dimensional (3-D) Earth, to estimate the local, storm time geoelectric ﬁeld. Both frequency domain and time domain approaches are presented and validated against storm time geoelectric ﬁeld data measured in Japan. The methods are then compared in the context of a real-timeapplication.
Keywords:

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Atmospheric Science
Source:

Space Weather, 15(7), 874-894
DOI:

https://doi.org/10.1002/2017sw001594
ISSN:

1542-7390
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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Library
Main Document Checksum:

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urn:sha256:d5e55c38bbead7848ec18de44232b73c0308582055fed208a839309fb15bfacf
Download URL:

https://repository.library.noaa.gov/view/noaa/53630/noaa_53630_DS1.pdf
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