The influence of polar-cap convection on the geoelectric field at Vostok, Antarctica
Vertical geoelectric field measurements at Vostok, Antarctica ( 78.5° S, 107° E ; corrected geomagnetic latitude, 83.4°S) made during 1998 are compared with both Weimer (1996) and IZMEM (1994) model calculations of the solar-wind-induced, polar-cap potential differences with respect to the station....
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| Veröffentlicht in: | Journal of atmospheric and solar-terrestrial physics 2003-02, Vol.65 (3), p.345-354 |
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| container_title | Journal of atmospheric and solar-terrestrial physics |
| container_volume | 65 |
| creator | Corney, R.C. Burns, G.B. Michael, K. Frank-Kamenetsky, A.V. Troshichev, O.A. Bering, E.A. Papitashvili, V.O. Breed, A.M. Duldig, M.L. |
| description | Vertical geoelectric field measurements at Vostok, Antarctica (
78.5°
S,
107°
E
; corrected geomagnetic latitude, 83.4°S) made during 1998 are compared with both Weimer (1996) and IZMEM (1994) model calculations of the solar-wind-induced, polar-cap potential differences with respect to the station. By investigating the correlations between these parameters for individual UT hours, we confirm and extend the diurnal range over which significant correlations have been obtained. Nineteen individual UT hours are significantly correlated with the Weimer model predictions and nine with the IZMEM model predictions. Diurnal variation in the slopes of the linear regressions allows us to comment on each model, demonstrating that Antarctic polar plateau geoelectric field measurements can be used to investigate polar convection. Seasonal variations in the diurnal electric field variations at Vostok are compared with the Carnegie global electric circuit diurnal curves, after allowance is made for the solar-wind-induced, polar-cap potential difference patterns. |
| doi_str_mv | 10.1016/S1364-6826(02)00225-0 |
| format | Article |
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78.5°
S,
107°
E
; corrected geomagnetic latitude, 83.4°S) made during 1998 are compared with both Weimer (1996) and IZMEM (1994) model calculations of the solar-wind-induced, polar-cap potential differences with respect to the station. By investigating the correlations between these parameters for individual UT hours, we confirm and extend the diurnal range over which significant correlations have been obtained. Nineteen individual UT hours are significantly correlated with the Weimer model predictions and nine with the IZMEM model predictions. Diurnal variation in the slopes of the linear regressions allows us to comment on each model, demonstrating that Antarctic polar plateau geoelectric field measurements can be used to investigate polar convection. Seasonal variations in the diurnal electric field variations at Vostok are compared with the Carnegie global electric circuit diurnal curves, after allowance is made for the solar-wind-induced, polar-cap potential difference patterns.</description><identifier>ISSN: 1364-6826</identifier><identifier>EISSN: 1879-1824</identifier><identifier>DOI: 10.1016/S1364-6826(02)00225-0</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Atmospheric electricity ; Geoelectric field ; Global electric circuit ; Polar-cap convection</subject><ispartof>Journal of atmospheric and solar-terrestrial physics, 2003-02, Vol.65 (3), p.345-354</ispartof><rights>2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-2918bb2cc055064106839df80784c7a4ab3d019ba4657f62796c1827a21f2ad33</citedby><cites>FETCH-LOGICAL-c421t-2918bb2cc055064106839df80784c7a4ab3d019ba4657f62796c1827a21f2ad33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1364682602002250$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Corney, R.C.</creatorcontrib><creatorcontrib>Burns, G.B.</creatorcontrib><creatorcontrib>Michael, K.</creatorcontrib><creatorcontrib>Frank-Kamenetsky, A.V.</creatorcontrib><creatorcontrib>Troshichev, O.A.</creatorcontrib><creatorcontrib>Bering, E.A.</creatorcontrib><creatorcontrib>Papitashvili, V.O.</creatorcontrib><creatorcontrib>Breed, A.M.</creatorcontrib><creatorcontrib>Duldig, M.L.</creatorcontrib><title>The influence of polar-cap convection on the geoelectric field at Vostok, Antarctica</title><title>Journal of atmospheric and solar-terrestrial physics</title><description>Vertical geoelectric field measurements at Vostok, Antarctica (
78.5°
S,
107°
E
; corrected geomagnetic latitude, 83.4°S) made during 1998 are compared with both Weimer (1996) and IZMEM (1994) model calculations of the solar-wind-induced, polar-cap potential differences with respect to the station. By investigating the correlations between these parameters for individual UT hours, we confirm and extend the diurnal range over which significant correlations have been obtained. Nineteen individual UT hours are significantly correlated with the Weimer model predictions and nine with the IZMEM model predictions. Diurnal variation in the slopes of the linear regressions allows us to comment on each model, demonstrating that Antarctic polar plateau geoelectric field measurements can be used to investigate polar convection. Seasonal variations in the diurnal electric field variations at Vostok are compared with the Carnegie global electric circuit diurnal curves, after allowance is made for the solar-wind-induced, polar-cap potential difference patterns.</description><subject>Atmospheric electricity</subject><subject>Geoelectric field</subject><subject>Global electric circuit</subject><subject>Polar-cap convection</subject><issn>1364-6826</issn><issn>1879-1824</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-BCEnUbA6Sds0PYksfsGCB1evIU0TjXabmmQX_Pemu3peGJhheGbgfRA6JXBFgLDrF5KzImOcsnOgFwCUlhnsoQnhVZ0RTov9NP8jh-gohE8AqChnE7RYfGhse9OtdK80dgYPrpM-U3LAyvVrraJ1PU4VE_iune7SyluFjdVdi2XEby5E93WJb_sofcKVPEYHRnZBn_z1KXq9v1vMHrP588PT7HaeqYKSmNGa8KahSkFZAisIMJ7XreFQ8UJVspBN3gKpG1mwsjKMVjVTKU4lKTFUtnk-RWfbv4N33ysdoljaoHTXyV67VRCUJz0lr3eChPOSQj6C5RZU3oXgtRGDt0vpfwQBMcoWG9liNCmAio1sAenuZnunU9y11V4EZUejrfXJl2id3fHhFyFthSA</recordid><startdate>20030201</startdate><enddate>20030201</enddate><creator>Corney, R.C.</creator><creator>Burns, G.B.</creator><creator>Michael, K.</creator><creator>Frank-Kamenetsky, A.V.</creator><creator>Troshichev, O.A.</creator><creator>Bering, E.A.</creator><creator>Papitashvili, V.O.</creator><creator>Breed, A.M.</creator><creator>Duldig, M.L.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>KL.</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20030201</creationdate><title>The influence of polar-cap convection on the geoelectric field at Vostok, Antarctica</title><author>Corney, R.C. ; Burns, G.B. ; Michael, K. ; Frank-Kamenetsky, A.V. ; Troshichev, O.A. ; Bering, E.A. ; Papitashvili, V.O. ; Breed, A.M. ; Duldig, M.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c421t-2918bb2cc055064106839df80784c7a4ab3d019ba4657f62796c1827a21f2ad33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Atmospheric electricity</topic><topic>Geoelectric field</topic><topic>Global electric circuit</topic><topic>Polar-cap convection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Corney, R.C.</creatorcontrib><creatorcontrib>Burns, G.B.</creatorcontrib><creatorcontrib>Michael, K.</creatorcontrib><creatorcontrib>Frank-Kamenetsky, A.V.</creatorcontrib><creatorcontrib>Troshichev, O.A.</creatorcontrib><creatorcontrib>Bering, E.A.</creatorcontrib><creatorcontrib>Papitashvili, V.O.</creatorcontrib><creatorcontrib>Breed, A.M.</creatorcontrib><creatorcontrib>Duldig, M.L.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of atmospheric and solar-terrestrial physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Corney, R.C.</au><au>Burns, G.B.</au><au>Michael, K.</au><au>Frank-Kamenetsky, A.V.</au><au>Troshichev, O.A.</au><au>Bering, E.A.</au><au>Papitashvili, V.O.</au><au>Breed, A.M.</au><au>Duldig, M.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of polar-cap convection on the geoelectric field at Vostok, Antarctica</atitle><jtitle>Journal of atmospheric and solar-terrestrial physics</jtitle><date>2003-02-01</date><risdate>2003</risdate><volume>65</volume><issue>3</issue><spage>345</spage><epage>354</epage><pages>345-354</pages><issn>1364-6826</issn><eissn>1879-1824</eissn><abstract>Vertical geoelectric field measurements at Vostok, Antarctica (
78.5°
S,
107°
E
; corrected geomagnetic latitude, 83.4°S) made during 1998 are compared with both Weimer (1996) and IZMEM (1994) model calculations of the solar-wind-induced, polar-cap potential differences with respect to the station. By investigating the correlations between these parameters for individual UT hours, we confirm and extend the diurnal range over which significant correlations have been obtained. Nineteen individual UT hours are significantly correlated with the Weimer model predictions and nine with the IZMEM model predictions. Diurnal variation in the slopes of the linear regressions allows us to comment on each model, demonstrating that Antarctic polar plateau geoelectric field measurements can be used to investigate polar convection. Seasonal variations in the diurnal electric field variations at Vostok are compared with the Carnegie global electric circuit diurnal curves, after allowance is made for the solar-wind-induced, polar-cap potential difference patterns.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/S1364-6826(02)00225-0</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 1364-6826 |
| ispartof | Journal of atmospheric and solar-terrestrial physics, 2003-02, Vol.65 (3), p.345-354 |
| issn | 1364-6826 1879-1824 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28016589 |
| source | Elsevier ScienceDirect Journals |
| subjects | Atmospheric electricity Geoelectric field Global electric circuit Polar-cap convection |
| title | The influence of polar-cap convection on the geoelectric field at Vostok, Antarctica |
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