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    Rights statement: ©2015. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Substorm induced energetic electron precipitation: morphology and prediction

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Substorm induced energetic electron precipitation : morphology and prediction. / Beharrell, Mat; Honary, Farideh; Rodger, Craig J.; Clilverd, Mark A.

In: Journal of Geophysical Research: Space Physics, Vol. 120, No. 4, 06.04.2015, p. 2993-3008.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Beharrell, M, Honary, F, Rodger, CJ & Clilverd, MA 2015, 'Substorm induced energetic electron precipitation: morphology and prediction', Journal of Geophysical Research: Space Physics, vol. 120, no. 4, pp. 2993-3008. https://doi.org/10.1002/2014JA020632

APA

Beharrell, M., Honary, F., Rodger, C. J., & Clilverd, M. A. (2015). Substorm induced energetic electron precipitation: morphology and prediction. Journal of Geophysical Research: Space Physics, 120(4), 2993-3008. https://doi.org/10.1002/2014JA020632

Vancouver

Beharrell M, Honary F, Rodger CJ, Clilverd MA. Substorm induced energetic electron precipitation: morphology and prediction. Journal of Geophysical Research: Space Physics. 2015 Apr 6;120(4):2993-3008. https://doi.org/10.1002/2014JA020632

Author

Beharrell, Mat ; Honary, Farideh ; Rodger, Craig J. ; Clilverd, Mark A. / Substorm induced energetic electron precipitation : morphology and prediction. In: Journal of Geophysical Research: Space Physics. 2015 ; Vol. 120, No. 4. pp. 2993-3008.

Bibtex

@article{8e91da7a98f146908ac79cc8d2fa31f6,
title = "Substorm induced energetic electron precipitation: morphology and prediction",
abstract = "The injection, and subsequent precipitation, of 20 to 300 keV electrons during substorms is modeled using parameters of a typical substorm found in the literature. When combined with onset timing from, for example, the SuperMAG substorm database, or the Minimal Substorm Model, it may be used to calculate substorm contributions to energetic electron precipitation in atmospheric chemistry and climate models. Here the results are compared to ground-based data from the Imaging Riometer for Ionospheric Studies riometer in Kilpisj{\"a}rvi, Finland, and the narrowband subionospheric VLF receiver at Sodankyl{\"a}, Finland. Qualitatively, the model reproduces the observations well when only onset timing from the SuperMAG network of magnetometers is used as an input and is capable of reproducing all four categories of substorm associated riometer spike events. The results suggest that the different types of spike event are the same phenomena observed at different locations, with each type emerging from the model results at a different local time, relative to the center of the injection region. The model's ability to reproduce the morphology of spike events more accurately than previous models is attributed to the injection of energetic electrons being concentrated specifically in the regions undergoing dipolarization, instead of uniformly across a single-injection region.",
author = "Mat Beharrell and Farideh Honary and Rodger, {Craig J.} and Clilverd, {Mark A.}",
note = "{\textcopyright}2015. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.",
year = "2015",
month = apr,
day = "6",
doi = "10.1002/2014JA020632",
language = "English",
volume = "120",
pages = "2993--3008",
journal = "Journal of Geophysical Research: Space Physics",
issn = "2169-9402",
publisher = "Blackwell Publishing Ltd",
number = "4",

}

RIS

TY - JOUR

T1 - Substorm induced energetic electron precipitation

T2 - morphology and prediction

AU - Beharrell, Mat

AU - Honary, Farideh

AU - Rodger, Craig J.

AU - Clilverd, Mark A.

N1 - ©2015. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PY - 2015/4/6

Y1 - 2015/4/6

N2 - The injection, and subsequent precipitation, of 20 to 300 keV electrons during substorms is modeled using parameters of a typical substorm found in the literature. When combined with onset timing from, for example, the SuperMAG substorm database, or the Minimal Substorm Model, it may be used to calculate substorm contributions to energetic electron precipitation in atmospheric chemistry and climate models. Here the results are compared to ground-based data from the Imaging Riometer for Ionospheric Studies riometer in Kilpisjärvi, Finland, and the narrowband subionospheric VLF receiver at Sodankylä, Finland. Qualitatively, the model reproduces the observations well when only onset timing from the SuperMAG network of magnetometers is used as an input and is capable of reproducing all four categories of substorm associated riometer spike events. The results suggest that the different types of spike event are the same phenomena observed at different locations, with each type emerging from the model results at a different local time, relative to the center of the injection region. The model's ability to reproduce the morphology of spike events more accurately than previous models is attributed to the injection of energetic electrons being concentrated specifically in the regions undergoing dipolarization, instead of uniformly across a single-injection region.

AB - The injection, and subsequent precipitation, of 20 to 300 keV electrons during substorms is modeled using parameters of a typical substorm found in the literature. When combined with onset timing from, for example, the SuperMAG substorm database, or the Minimal Substorm Model, it may be used to calculate substorm contributions to energetic electron precipitation in atmospheric chemistry and climate models. Here the results are compared to ground-based data from the Imaging Riometer for Ionospheric Studies riometer in Kilpisjärvi, Finland, and the narrowband subionospheric VLF receiver at Sodankylä, Finland. Qualitatively, the model reproduces the observations well when only onset timing from the SuperMAG network of magnetometers is used as an input and is capable of reproducing all four categories of substorm associated riometer spike events. The results suggest that the different types of spike event are the same phenomena observed at different locations, with each type emerging from the model results at a different local time, relative to the center of the injection region. The model's ability to reproduce the morphology of spike events more accurately than previous models is attributed to the injection of energetic electrons being concentrated specifically in the regions undergoing dipolarization, instead of uniformly across a single-injection region.

U2 - 10.1002/2014JA020632

DO - 10.1002/2014JA020632

M3 - Journal article

VL - 120

SP - 2993

EP - 3008

JO - Journal of Geophysical Research: Space Physics

JF - Journal of Geophysical Research: Space Physics

SN - 2169-9402

IS - 4

ER -