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Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents. / Yamazaki, Yosuke; Maute, Astrid.
In: Space Science Reviews, Vol. 206, No. 1, 03.2017, p. 299-405.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Yamazaki, Y & Maute, A 2017, 'Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents', Space Science Reviews, vol. 206, no. 1, pp. 299-405. https://doi.org/10.1007/s11214-016-0282-z

APA

Yamazaki, Y., & Maute, A. (2017). Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents. Space Science Reviews, 206(1), 299-405. https://doi.org/10.1007/s11214-016-0282-z

Vancouver

Yamazaki Y, Maute A. Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents. Space Science Reviews. 2017 Mar;206(1):299-405. Epub 2016 Sept 14. doi: 10.1007/s11214-016-0282-z

Author

Yamazaki, Yosuke ; Maute, Astrid. / Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents. In: Space Science Reviews. 2017 ; Vol. 206, No. 1. pp. 299-405.

Bibtex

@article{0af7d5661a954e0a8fbdf3fdfe6bf49a,
title = "Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents",
abstract = "A record of the geomagnetic field on the ground sometimes shows smooth daily variations on the order of a few tens of nano teslas. These daily variations, commonly known as Sq, are caused by electric currents of several μA/m^2 flowing on the sunlit side of the E-region ionosphere at about 90–150 km heights. We review advances in our understanding of the geomagnetic daily variation and its source ionospheric currents during the past 75 years. Observations and existing theories are first outlined as background knowledge for the non-specialist. Data analysis methods, such as spherical harmonic analysis, are then described in detail. Various aspects of the geomagnetic daily variation are discussed and interpreted using these results. Finally, remaining issues are highlighted to provide possible directions for future work.",
keywords = "geomagnetic field, solar quiet, daily variation, ionospheric currents, Sq, EEJ",
author = "Yosuke Yamazaki and Astrid Maute",
year = "2017",
month = mar,
doi = "10.1007/s11214-016-0282-z",
language = "English",
volume = "206",
pages = "299--405",
journal = "Space Science Reviews",
issn = "0038-6308",
publisher = "Springer Netherlands",
number = "1",

}

RIS

TY - JOUR

T1 - Sq and EEJ—A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents

AU - Yamazaki, Yosuke

AU - Maute, Astrid

PY - 2017/3

Y1 - 2017/3

N2 - A record of the geomagnetic field on the ground sometimes shows smooth daily variations on the order of a few tens of nano teslas. These daily variations, commonly known as Sq, are caused by electric currents of several μA/m^2 flowing on the sunlit side of the E-region ionosphere at about 90–150 km heights. We review advances in our understanding of the geomagnetic daily variation and its source ionospheric currents during the past 75 years. Observations and existing theories are first outlined as background knowledge for the non-specialist. Data analysis methods, such as spherical harmonic analysis, are then described in detail. Various aspects of the geomagnetic daily variation are discussed and interpreted using these results. Finally, remaining issues are highlighted to provide possible directions for future work.

AB - A record of the geomagnetic field on the ground sometimes shows smooth daily variations on the order of a few tens of nano teslas. These daily variations, commonly known as Sq, are caused by electric currents of several μA/m^2 flowing on the sunlit side of the E-region ionosphere at about 90–150 km heights. We review advances in our understanding of the geomagnetic daily variation and its source ionospheric currents during the past 75 years. Observations and existing theories are first outlined as background knowledge for the non-specialist. Data analysis methods, such as spherical harmonic analysis, are then described in detail. Various aspects of the geomagnetic daily variation are discussed and interpreted using these results. Finally, remaining issues are highlighted to provide possible directions for future work.

KW - geomagnetic field

KW - solar quiet

KW - daily variation

KW - ionospheric currents

KW - Sq

KW - EEJ

U2 - 10.1007/s11214-016-0282-z

DO - 10.1007/s11214-016-0282-z

M3 - Journal article

VL - 206

SP - 299

EP - 405

JO - Space Science Reviews

JF - Space Science Reviews

SN - 0038-6308

IS - 1

ER -