Uncertainties Involved in the Iopospheric Conductivity Estimation

Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Young-Sil Kwak [verfasserIn] Byung-Ho Ahn [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2002

Schlagwörter:	ionospheric conductivity incoherent scatter radar

Übergeordnetes Werk:	In: Journal of Astronomy and Space Sciences - Korean Space Science Society (KSSS), 2012, 19(2002), 4, Seite 243-254
Übergeordnetes Werk:	volume:19 ; year:2002 ; number:4 ; pages:243-254

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.5140/JASS.2002.19.4.243

Katalog-ID:	DOAJ065976193

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520			\|a Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively.
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spelling	10.5140/JASS.2002.19.4.243 doi (DE-627)DOAJ065976193 (DE-599)DOAJ4b7541f3c10a4aa89f570e4f12e30646 DE-627 ger DE-627 rakwb eng QB1-991 Young-Sil Kwak verfasserin aut Uncertainties Involved in the Iopospheric Conductivity Estimation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively. ionospheric conductivity incoherent scatter radar Astronomy Byung-Ho Ahn verfasserin aut In Journal of Astronomy and Space Sciences Korean Space Science Society (KSSS), 2012 19(2002), 4, Seite 243-254 (DE-627)62761471X (DE-600)2557343-3 20931409 nnns volume:19 year:2002 number:4 pages:243-254 https://doi.org/10.5140/JASS.2002.19.4.243 kostenfrei https://doaj.org/article/4b7541f3c10a4aa89f570e4f12e30646 kostenfrei http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2002/v19n4/OJOOBS_2002_v19n4_243.pdf kostenfrei https://doaj.org/toc/2093-5587 Journal toc kostenfrei https://doaj.org/toc/2093-1409 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2002 4 243-254
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allfieldsGer	10.5140/JASS.2002.19.4.243 doi (DE-627)DOAJ065976193 (DE-599)DOAJ4b7541f3c10a4aa89f570e4f12e30646 DE-627 ger DE-627 rakwb eng QB1-991 Young-Sil Kwak verfasserin aut Uncertainties Involved in the Iopospheric Conductivity Estimation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively. ionospheric conductivity incoherent scatter radar Astronomy Byung-Ho Ahn verfasserin aut In Journal of Astronomy and Space Sciences Korean Space Science Society (KSSS), 2012 19(2002), 4, Seite 243-254 (DE-627)62761471X (DE-600)2557343-3 20931409 nnns volume:19 year:2002 number:4 pages:243-254 https://doi.org/10.5140/JASS.2002.19.4.243 kostenfrei https://doaj.org/article/4b7541f3c10a4aa89f570e4f12e30646 kostenfrei http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2002/v19n4/OJOOBS_2002_v19n4_243.pdf kostenfrei https://doaj.org/toc/2093-5587 Journal toc kostenfrei https://doaj.org/toc/2093-1409 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2002 4 243-254
allfieldsSound	10.5140/JASS.2002.19.4.243 doi (DE-627)DOAJ065976193 (DE-599)DOAJ4b7541f3c10a4aa89f570e4f12e30646 DE-627 ger DE-627 rakwb eng QB1-991 Young-Sil Kwak verfasserin aut Uncertainties Involved in the Iopospheric Conductivity Estimation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively. ionospheric conductivity incoherent scatter radar Astronomy Byung-Ho Ahn verfasserin aut In Journal of Astronomy and Space Sciences Korean Space Science Society (KSSS), 2012 19(2002), 4, Seite 243-254 (DE-627)62761471X (DE-600)2557343-3 20931409 nnns volume:19 year:2002 number:4 pages:243-254 https://doi.org/10.5140/JASS.2002.19.4.243 kostenfrei https://doaj.org/article/4b7541f3c10a4aa89f570e4f12e30646 kostenfrei http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2002/v19n4/OJOOBS_2002_v19n4_243.pdf kostenfrei https://doaj.org/toc/2093-5587 Journal toc kostenfrei https://doaj.org/toc/2093-1409 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2002 4 243-254
language	English
source	In Journal of Astronomy and Space Sciences 19(2002), 4, Seite 243-254 volume:19 year:2002 number:4 pages:243-254
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topic_title	QB1-991 Uncertainties Involved in the Iopospheric Conductivity Estimation ionospheric conductivity incoherent scatter radar
topic	misc QB1-991 misc ionospheric conductivity misc incoherent scatter radar misc Astronomy
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title	Uncertainties Involved in the Iopospheric Conductivity Estimation
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title_full	Uncertainties Involved in the Iopospheric Conductivity Estimation
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title_sort	uncertainties involved in the iopospheric conductivity estimation
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title_auth	Uncertainties Involved in the Iopospheric Conductivity Estimation
abstract	Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively.
abstractGer	Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively.
abstract_unstemmed	Various uncertainties involved in ionospheric conductivity estimation utilizing the electron density profile obtained from the Sondrestrom incoherent scatter radar are examined. First, we compare the conductivity which is based on raw electron density and the one based on corrected electron density that takes into account the effects of the difference between the electron and ion temperatures and the Debye length. The corrected electron density yields higher Pedersen and Hall conductivities than the raw electron density does. Second, the dependence of collision frequency model on the conductivity estimation is examined. Below 110 km conductivity does not depend significantly on collision frequency models. Above 110 km, however, the collision models affect the conductivity estimation. Third, the influence of the electron and ion temperatures on the conductivity estimation is examined. Electron and ion temperatures carrying an error of about 10% do not seem to affect significantly the conductivity estimation. Fourth, also examined is the effect of the choice of the altitude range of integration in calculating the height-integrated conductivity, conductance. It has been demonstrated that the lower and upper boundaries of the integration are quite sensitive to the estimation of the Hall and Pedersen conductances, respectively.
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title_short	Uncertainties Involved in the Iopospheric Conductivity Estimation
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Uncertainties Involved in the Iopospheric Conductivity Estimation

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