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CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms

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CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms. / Wild, J. A.; Yeoman, T. K.
In: Annales Geophysicae, Vol. 18, No. 6, 06.2000, p. 640-652.

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

Harvard

Wild, JA & Yeoman, TK 2000, 'CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms', Annales Geophysicae, vol. 18, no. 6, pp. 640-652. https://doi.org/10.1007/s00585-000-0640-7

APA

Wild, J. A., & Yeoman, T. K. (2000). CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms. Annales Geophysicae, 18(6), 640-652. https://doi.org/10.1007/s00585-000-0640-7

Vancouver

Wild JA, Yeoman TK. CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms. Annales Geophysicae. 2000 Jun;18(6):640-652. doi: 10.1007/s00585-000-0640-7

Author

Wild, J. A. ; Yeoman, T. K. / CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms. In: Annales Geophysicae. 2000 ; Vol. 18, No. 6. pp. 640-652.

Bibtex

@article{9b979b514fee4558a70287da36f0a75a,
title = "CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms",
abstract = "High-time resolution CUTLASS observations and ground-based magnetometers have been employed to study the occurrence of vortical fl{\= }ow structures propagating through the high-latitude ionosphere during magnetospheric substorms. Fast-moving flow vortices (~800 m/s) associated with Hall currents flowing around upward directed field-aligned currents are frequently observed propagating at high speed (~1 km/s) azimuthally away from the region of the ionosphere associated with the location of the substorm expansion phase onset. Furthermore, a statistical analysis drawn from over 1000 h of high-time resolution, nightside radar data has enabled the characterisation of the bulk properties of these vortical flow systems. Their occurrence with respect to substorm phase has been investigated and a possible generation mechanism has been suggested.",
keywords = "magnetometer DCS-publications-id, art-516, DCS-publications-credits, samnet, DCS-publications-personnel-id, 104",
author = "Wild, {J. A.} and Yeoman, {T. K.}",
year = "2000",
month = jun,
doi = "10.1007/s00585-000-0640-7",
language = "English",
volume = "18",
pages = "640--652",
journal = "Annales Geophysicae",
issn = "0992-7689",
publisher = "European Geosciences Union",
number = "6",

}

RIS

TY - JOUR

T1 - CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms

AU - Wild, J. A.

AU - Yeoman, T. K.

PY - 2000/6

Y1 - 2000/6

N2 - High-time resolution CUTLASS observations and ground-based magnetometers have been employed to study the occurrence of vortical fl ̄ow structures propagating through the high-latitude ionosphere during magnetospheric substorms. Fast-moving flow vortices (~800 m/s) associated with Hall currents flowing around upward directed field-aligned currents are frequently observed propagating at high speed (~1 km/s) azimuthally away from the region of the ionosphere associated with the location of the substorm expansion phase onset. Furthermore, a statistical analysis drawn from over 1000 h of high-time resolution, nightside radar data has enabled the characterisation of the bulk properties of these vortical flow systems. Their occurrence with respect to substorm phase has been investigated and a possible generation mechanism has been suggested.

AB - High-time resolution CUTLASS observations and ground-based magnetometers have been employed to study the occurrence of vortical fl ̄ow structures propagating through the high-latitude ionosphere during magnetospheric substorms. Fast-moving flow vortices (~800 m/s) associated with Hall currents flowing around upward directed field-aligned currents are frequently observed propagating at high speed (~1 km/s) azimuthally away from the region of the ionosphere associated with the location of the substorm expansion phase onset. Furthermore, a statistical analysis drawn from over 1000 h of high-time resolution, nightside radar data has enabled the characterisation of the bulk properties of these vortical flow systems. Their occurrence with respect to substorm phase has been investigated and a possible generation mechanism has been suggested.

KW - magnetometer DCS-publications-id

KW - art-516

KW - DCS-publications-credits

KW - samnet

KW - DCS-publications-personnel-id

KW - 104

U2 - 10.1007/s00585-000-0640-7

DO - 10.1007/s00585-000-0640-7

M3 - Journal article

VL - 18

SP - 640

EP - 652

JO - Annales Geophysicae

JF - Annales Geophysicae

SN - 0992-7689

IS - 6

ER -