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D2‚Ì6ŒŽ‚ɍ~‚Á‚Ä—N‚¢‚½iƒ‰ƒuƒXƒg[ƒŠ[‚Í“Ë‘R‚ɁA‚Ý‚½‚¢‚È“Ë‘RjAE˜b‚ªBBB‹ó“dŒ¤‹†Ši’n‹…‰ÈŠw‚Ì’´‚‘w‘å‹C•¨—Šwj‚̏•Žè‚ɉž•å‚µ‚Ü‚µ‚½B‚»‚µ‚½‚çA‚È‚º‚©Ì—pB‚¨‚¢‚¨‚¢AD˜_‚Ç‚¤‚·‚ñ‚¾BBBAEæ‚Ì‹³Žöæ¶‚©‚çu‚Ü‚ A”ŽŽm†‚ÍŽæ‚Á‚Ăˁv‚Æ—D‚µ‚¢Œ¾—t‚ð‚¢‚½‚¾‚«A•Žè‚Æ‚µ‚ċ΂߂Ȃª‚çA‚µ‚΂µA“V•¶Šw‚ðŒp‘±‚µA‚È‚ñ‚Æ‚©1991”N‚É”ŽŽm†Žæ“¾B2”N‚©‚©‚Á‚½‚Ì‚ªAh‚©‚Á‚½i‚·‚¢‚Ü‚¹‚ñjB‚³‚āA‚悤‚â‚­–{˜‚¢‚ê‚āA’´‚‘w‘å‹C•¨—Šw•ª–ì‚ÌŒ¤‹†ŠJŽn‚¾‚ªAAAƒe[ƒ}‚Í‚Ç‚¤‚·‚éH

 

“V•¶ŠÖŒW‚̘_•¶

Uchida, Y., A. Mizuno, S. Nozawa and Y. Fukui, Velocity split along the Rho Ophiuchi Streamer

 (North): Spinning Streamer as "Angular Momentum Drain" from Massive Cloud of Active Star-Fomation,

Publ. Aston. Soc. Japan, 42, 69-83, 1990.

Mizuno, A., Y. Fukui, T. Iwata, S. Nozawa and T. Takano, A Remarkable multilobe molecular outflow: r Ophiuch East, Associated with IRAS 16293-2422, Astrophys. J., 356, 184-194, 1990.

Nozawa, S., A. Mizuno, Y. Teshima, H. Ogawa and Y. Fukui, A study of 13CO cloud cores in Ophiuchus, Astrophys. J. Suppl., 77, 647-675, 1991.

Dobashi, K., S. Nozawa, Y. Hayashi, F. Sato, and Y. Fukui, A Molecular cloud and a CO outflow associated with IRAS 22134+5834, Astro. J., 107, 2148-2152, 1994.

Dobashi, K., J.-P. Bernard, Y. Yonekura, S. Nozawa, S. Morimoto, P. Abraham, Y. Kumai, Y. Hayashi, and Y. Fukui, 12CO and 13CO Observations toward two Small Molecular Clouds with Luminous Protostellar Canditates, Publ. Aston. Soc. Japan, 47, 837-843, 1995.

Iino, T., H. Sagawa, T. Tsukagoshi, and S. Nozawa, A belt-like distribution of gaseous hydrogen cyanide on Neptunefs equatorial stratosphere detected by ALMA, submitted to ApJL, 2020, under review.

 

 

i‚QjEISCATƒŒ[ƒ_[‚ð—p‚¢‚½‰º•””MŒ—•—‚ÌŽž‘ã

1991”N‚̉Ăɔ ªƒ`ƒƒƒbƒvƒ}ƒ“ƒRƒ“ƒtƒ@ƒŒƒ“ƒX‚ª‚ ‚èA‚»‚±‚ÉEISCAT‹ÆŠE‚̏d’ÁAƒgƒƒ€ƒ\‘åŠw‚ÌBrekkeæ¶‚ªŽQ‰Á‚³‚êA‚»‚Ì‚ ‚ƁAEISCAT‹¤“¯Œ¤‹†‚Ì‚½‚߂ɁA‰äX‚ÌŒ¤‹†Žº‚ð–K–âB‚¿‚傤‚Ç•¶‰ÈÈÝŠOŒ¤‹†ˆõ‚ɉž•å‚·‚é‚Æ‚±‚ë‚ŁA“–‰‚́AƒIƒXƒ‘åŠw‚ɉž•å‚µ‚悤‚©‚È‚ÆŽv‚Á‚Ä‚¢‚½‚çAuŒN`` EISCAT‚È‚çƒgƒƒ€ƒ\‚¾‚æBƒTƒCƒg‚Í‚·‚®‚»‚΂¾‚µBâ‘΂¨‚¢‚Å‚æ``v‚Æ‚¢‚¤‚±‚ƂŁA‹}篃gƒƒ€ƒ\‘åŠw‚ɕύXBÌ—p‚³‚ê‚āA1992”N2ŒŽ‚©‚ç‘؍݂·‚邱‚Æ‚É‚È‚è‚Ü‚µ‚½‚ªA‰^ˆ«‚­i‰^—Ç‚­j—Š‚Ý‚ÌBrekkeæ¶2ŒŽ‚©‚ç3ƒPŒŽŠÔA‘¾—z’n‹…ŠÂ‹«Œ¤‹†Š‚Ì‹qˆõ‹³Žö‚Æ‚µ‚Ä“ú–{‚ɑ؍݂·‚邱‚ƂɁB‚ ‚êA“ü‚ê‘Ö‚í‚è‚â‚ñBBB‚¨‚Ü‚¯‚ÉŽ„‚̉pŒê—͂́AAAApoooooooorrrrrr!@‚Ç‚¤‚·‚éHh‚¢“úX‚Å‚²‚´‚¢‚Ü‚µ‚½B‚Ü‚ A‘½­s‚«ˆá‚¢‚ª‚ ‚è‚Ü‚µ‚½‚ªA‚±‚̑؍݂©‚çAŒ¤‹†‘Ώۂª–k‹Éˆæ‰º•””MŒ—(‚“x90-130 km)‚É‚È‚è‚Ü‚µ‚½B‚±‚±‚ɏd“_‚ð’u‚¢‚½Œ¤‹†‚ð‚©‚ê‚±‚ê30”N‹ß‚­ŽÀŽ{‚µ‚Ä‚¢‚Ü‚·B

 

Brekkeæ¶‚Ƃ́A30”N‹ß‚­‚Ì‚¨‚‚«‚ ‚¢B‘å•Ï‚¨¢˜b‚É‚È‚Á‚Ä‚¨‚è‚Ü‚·B‚¨¢˜b‚É‚È‚è‚Á‚Ï‚È‚µB‰½“x‚à‹“@‚âŠX‚̃ŒƒXƒgƒ‰ƒ“‚É‚¨µ‚«‚¢‚½‚¾‚«AiŽž‚É‚Í“¯s‚µ‚½Šw¶‚½‚¿‚Æ‹¤‚ɁjDinner‚ðƒSƒ`‚É‚È‚Á‚Ä‚¨‚è‚Ü‚·B2019”N9ŒŽ‚É‚à‹“@‚É‚¨µ‚«‚¢‚½‚¾‚«AÌ˜b‚µ‚ɉԂðç‚©‚¹‚Ü‚µ‚½BBrekkeæ¶‚́AŽ„‚̈̑å‚È‚éŽt ‚Å‚·BBrekkeæ¶‚Ƃ́ANozawa and Brekke‚Å4•Ò˜_•¶‚ð‘‚«‚Ü‚µ‚½BNozawa, Brekke‚Æ‘¼1–¼‚ŁA3•Ò˜_•¶‚ð‘‚«‚Ü‚µ‚½B‚»‚êˆÈŠO‚É‚à‘½”‚Ì‹¤’˜˜_•¶‚ª‚ ‚è‚Ü‚·B

 

EISCATƒŒ[ƒ_[‚ð—p‚¢‚½E-region‚Ì’†«•—ƒVƒŠ[ƒY

Brekke, A., S. Nozawa and T. Sparr, Studies of the E region neutral wind in the quiet auroral ionosphere, J. Geophys. Res., 99, 8801-8825, 1994.

Nozawa, S. and A. Brekke, Studies of the E region neutral wind in the disturbed auroral ionosphere, J. Geophys. Res., 100, 14,717-14,734, 1995.

Brekke, A., S. Nozawa and M. Sato, Samples of auroral E-region parameters derived from EISCAT experiments, J. Geomag. Geoelectr., 47, 889-909, 1995.

Nozawa, S., A. Brekke and R. Fujii, Studies of the E region neutral wind in the auroral ionosphere using two long-run data, J. Geomag. Geoelectr., 49, 641-673, 1997.

Nozawa, S. and A. Brekke, Studies of the auroral E-region neutral wind through a solar cycle: Quiet days, J. Geophys. Res., 104, 45-66, 1999.

Nozawa, S. and A. Brekke, Seasonal variation of the auroral E-region neutral wind for different solar activities, J. Atoms. Solar-Terr. Phys., 61, 585-605, 1999.

Nozawa, S. and A. Brekke, A case study of the auroral E region neutral wind on a quiet summer day: Comparison of three methods of the EISCAT UHF radar for deriving the E region wind, Radio Science, 35, 845-863, 2000.

 

1990”N‘ã‚́AF‘åæ¶‚Æ‚Æ‚à‚ɁA“ú–{‚ÌEISCAT‰Á–¿‚ÉŒü‚¯‚ÄŠæ’£‚Á‚Ä‚¢‚Ü‚µ‚½B1996”N‚ɉÁ–¿‚ð‰Ê‚½‚µ‚½Œã‚́AEISCAT‚Ì‹¤“¯—˜—p‚ɐêS‚µ‚Ü‚µ‚½B‚±‚ÌŽžABrekkeæ¶‚⃆ƒ‹ƒQƒ“ƒŒƒbƒgƒK[i“–ŽžEISCATŠ’·j‚ªA‚¢‚ë‚¢‚돕‚¯‚Ä‚­‚ê‚Ü‚µ‚½BEISCAT‰ÈŠw‹¦‰ïŠ‘®‚Ì Peter Collisæ¶‚àƒf[ƒ^ˆ—‚âAEISCAT‚̃IƒyƒŒ[ƒVƒ‡ƒ“‚É‚½‚­‚³‚ñ•‚¯‚Ä‚¢‚½‚¾‚«‚Ü‚µ‚½B“ú–{‚ÌEISCATŠÖŒW‚Ì–k‰¢‚Å‚ÌŠˆ”­‚ÈŒ¤‹†Šˆ“®‚́A‚±‚ê‚ç‚̉‡•‚ª‚ ‚Á‚Ä‚±‚»‚Å‚·B‚Ü‚±‚Æ‚ÉŠ´ŽÓ‚Å‚·B

 

i‚Rj’†ŠÔŒ—‚֐ioi~‰ºG‚³‚ç‚É’n‹…•\–Ê‚É‹ß‚­‚È‚è‚Ü‚µ‚½j

‰º•””MŒ—•—‚ÌŒ¤‹†‚ði‚ß‚Ä‚¢‚é‚ƁA‘å‹C”g“®‚̉e‹¿‚ª‚æ‚è[‚­’m‚肽‚­‚È‚è‚Ü‚·B‘å‹C”g“®‚́A‰º‘w‘å‹Ci‘Η¬Œ—A¬‘wŒ—j‚©‚ç“`‚í‚Á‚Ä‚­‚éB‚»‚¤‚È‚é‚ƁA‰º•””MŒ—‚̉ºA’†ŠÔŒ—‚ðŠÏ‚½‚­‚È‚éB‰^—Ç‚­MFƒŒ[ƒ_[—p‚Ì‘—M‹@i‚½‚µ‚©500–œ‰~‚®‚ç‚¢j‚̍w“üŽ‘‹à‚ªŽè‚É“ü‚èAƒgƒƒ€ƒ\‘å‚ƃTƒXƒJƒbƒ`ƒƒƒAƒ“‘åŠw‚ª‹¤“¯‰^‰c‚µ‚Ä‚¢‚éƒgƒƒ€ƒ\MFƒŒ[ƒ_[‚ÉŽQ‰æ‚µA1998”N11ŒŽ‚©‚çA‚“x70-100 km‚Ì•—‘¬ƒf[ƒ^‚ðŽæ“¾‚µ‚Ä‚¨‚è‚Ü‚·BMFƒŒ[ƒ_[‚ÆEISCATƒŒ[ƒ_[‚𕹗p‚·‚邱‚Æ‚É‚æ‚èA‚“x70 km‚©‚ç120 km‚܂ł̍L”͈͂ȍ‚“x—̈æ‚ðƒJƒo[‚Å‚«AŒ¤‹†‚ªi‚Ý‚Ü‚µ‚½BEISCATƒŒ[ƒ_[‚ÆMFƒŒ[ƒ_[‚̍‡‚킹‹Z‚â@MFƒŒ[ƒ_[‚ð—p‚¢‚½Žå‚Ș_•¶‚͈ȉº‚Ì18•ÒB‚±‚Ì‚±‚ë‚©‚çAChris Hall‚³‚ñ‚Ɛ[‚­•t‚«‡‚¤‚悤‚É‚È‚è‚Ü‚µ‚½BMFƒŒ[ƒ_[‚́AŽžŠÔ•ª‰ð”\(5•ª)‚ª‚‚¢‚Å‚·‚ªA“dŽq–§“x‚Ì’á‚¢“~‹G‚âA‹t‚É“dŽq–§“x‚̍‚‚¢‰Ä‹G‚ÌŠÏ‘ª‚Ɏ኱–â‘肪‚ ‚èAƒf[ƒ^‚̎擾—¦‚ª‰º‚ª‚è‚Ü‚·Bˆê•û‚ŁA—¬¯ƒŒ[ƒ_[‚́AŽžŠÔ•ª‰ð”\‚Í1ŽžŠÔ‚Å‚·‚ªA—¬¯ƒGƒR[‚ðŽæ“¾‚µ‚Ä‚¢‚é‚̂ŁA‘¾—zŒõ‚ÉŠÖŒW‚È‚­ƒf[ƒ^‚ªŽæ‚ê‚Ü‚·BMFƒŒ[ƒ_[‚ÌŽŸ‚́A—¬¯ƒŒ[ƒ_[‚ðÝ’u‚µ‚½‚¢‚ÆŽv‚¢A‚¢‚ë‚¢‚ë“®‚¢‚Ä‚¢‚Ü‚µ‚½‚ªA‚¤‚Ü‚­‚¢‚«‚Ü‚¹‚ñ‚Å‚µ‚½B‰^—Ç‚­2006”N‚ɁA—¬¯ƒŒ[ƒ_[Ý’u—\ŽZ‚ª”F‚ß‚ç‚êA–k‹ÉŠC‚̌Ǔ‡ƒxƒAƒAƒCƒ‰ƒ“ƒhi–kˆÜ74.5“xj‚É—¬¯ƒŒ[ƒ_[‚ðÝ’u‚µA–ñ6”NŠÔ‰^—p‚µ‚Ü‚µ‚½B‚»‚ÌŒãA2014”N‚ɁAƒAƒ‹ƒ^‚Ɉڐ݂µ‚Ä‚¢‚Ü‚·B

 

MFƒŒ[ƒ_[ŠÖŒW˜_•¶

Hall, C., S. Nozawa, A. Manson and C. Meek, Determination of turbulent energy dissipation rate directly from MF-radar determined velocity, Earth Plan. Sci., 52, 137-141, 2000.

Hall, C. M., S. Nozawa, C. E. Meek, and A. H. Manson, On the response of upper homosphere turbulence to solar and geomagnetic disturbances, Earth Plan. Sci., 54, 699-705, 2002.

Nozawa, S. A. Brekke, A. Manson, C. Hall, C. Meek, K. Morise, S. Oyama, K. Dobashi, and R. Fujii, A comparison study of the auroral lower thermospheric neutral winds derived by the EISCAT UHF radar and Troms_ medium frequency radar, J. Geophys. Res., 107, 10.1029/2000JA007581, SIA 29-1 - SIA29-20, 2002.

Hall, C.M, S. Nozawa, C. E. Meek, A. H. Manson, and Yi Luo, Periodicities in energy dissipation rates in the auroral mesosphere / lower thermosphere, Ann. Geophys., 21, 787-796, 2003.

Nozawa, S., S. Imaida, A. Brekke, C Hall, A Manson, C. Meek, S. Oyama, K. Dobashi, and R. Fujii, The quasi 2-day wave observed in the polar mesosphere, J. Geophys. Res., 108, 10.1029/2002JD002440, ACL 3-1 _ 3-12, 2003.

Hall, C. M., T. Aso, A.H. Manson, C.E. Meek, S. Nozawa, and M. Tsutsumi, High latitude mesospheric mean winds: a comparison between Troms_ (69‹N) and Svalbard (78‹N), J. Geophys. Res., 108, doi:10.1029/2003JD003509, 2003.

Nozawa, S., H. Iwahashi, A. Brekke, C. Hall, C. Meek, A. Manson, S. Oyama, Y. Murayama and R. Fujii, The quasi 2-day wave observed in the polar mesosphere (2): Comparison of the characteristics observed at Troms_ and Poker-Flat, J. Geophys. Res., 108, 101029/2002JD003221, 2003.

Manson, A. H., C.E. Meek, C.M. Hall, S. Nozawa, N.J. Mitchell, D. Pancheva, W. Singer, and P. Hoffmann, Mesopause dynamics from the Scandinavian triangle of radars within the PSMOS-DATAR project, Ann. Geophys., 22, 367-386, 2004.

Hall, C. M., T. Aso, M. Tsutsumi, S. Nozawa, A.H. Manson, and C.E. Meek, Testing the hypothesis of neutral turbulence on the deduction of ambipolar diffusivities from meteor trail expansion, Ann. Geophys. Letter, 23, 1071-1073, 2005.

Hall, C.M., T. Aso, M. Tsutsumi, S. Nozawa, A.H. Manson and C.E. Meek, A comparison of MLT neutral winds as determined by meteor and medium frequency radar at 70‹N, Radio Sci., 40, RS4001, doi:10.1029/2004RS003102, 2005.

Hall, C.M., T. Aso, M. Tsutsumi, S. Nozawa, C.E. Meek and A.H. Manson, A comparison of meteor and medium frequency radar kilometer scale MLT dynamics at 70‹N, J. Atm. Sol-Terr. Phys., 68, 309-316, 2006.

Hall, C., S. Nozawa, A. Manson, C. Meek, Tidal signatures in mesospheric turbulence, Ann. Geophys., 24, 453-465, 2006.

Hall, C. M., A. H. Manson, C. E. Meek, and S. Nozawa, Isolated lower mesospheric echoes seen by medium frequency radar at 70_N, 19_E, Atmos. Chem. Phys., 6, 5307-5314, 2006.

Hall, C.M., A. Brekke, A. H. Manson, C. E. Meek, S. Nozawa, Trends in mesospheric turbulence at 70‹N, Atmospheric Science Letters, 8, 80-84, 2007.

Hall, CM., A. H. Manson, C. E. Meek, and S. Nozawa, Mesospheric turbulence during PMWE-conducive conditions, Atmos. Chem. Phys. Discuss., 7, 7035-7049, 2007

Hall, C., C. Meek, A. Manson, S. Nozawa, Turbopause determination, climatology and climatic trends, using medium frequency radars at 52_ and 70_N, J. Geophys. Res., 113, D13104, doi:10.1029/2008JD009938, 2008.

Nozawa, S, Y. Ogawa, S. Oyama, H. Fujiwara, T. Tsuda, A. Brekke, C. Hall, Y. Murayama, S. Kawamura, H. Miyaoka, and R. Fujii, Tidal waves in the polar lower thermosphere using the EISCAT long run data set obtained in September 2005, J. Geophys. Res., 115, A08312, doi:10.1029/2009JA015237, 2010.

Hall, C. M., S. E. Holmen, C. E. Meek, A. H. Manson, and S. Nozawa, Change in turbopause altitude at 52 and 70 deg N, Atmos. Chem. Phys., 16, 2299-2308, doi:10.5194/acp-16-2299-2016, 2016.

 

 

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Nozawa, S., C.M. Hall, M. Tsutsumi, A. Brekke, Y. Ogawa, T. T. Tsuda, S. Oyama, R. Fujii, Mean winds, tides, and quasi-2 day waves above Bear Island, J. Atmos. Solar-Terr. Phys., 90-91, 26-44, 2012.

Wu, Q., and S. Nozawa, Mesospheric and thermospheric observations of the January 2010 stratospheric warming event, J. Atmos. Solar-Terr. Phys., 123, 22-38, 2015.

 

i‚SjƒiƒgƒŠƒEƒ€ƒ‰ƒCƒ_[@`‘å‹C‰·“x‚àŠÏ‘ª‚·‚éI`

•—‘¬‚ÌŒ¤‹†‚ði‚ß‚Ä‚¢‚é‚ƁA’†«‘å‹C‚Ì‹ì“®—Í‚Ì‹c˜_‚É”­“W‚µ‚Ä‚¢‚«‚Ü‚·BMæ¶AFæ¶‚â•Ä‘NCAR‚ÌRichmondæ¶‚Æ‚Ì‹¤“¯Œ¤‹†‚ŁAEISCATƒŒ[ƒ_[‚⃂ƒfƒ‹ƒVƒ~ƒ…ƒŒ[ƒVƒ‡ƒ“‚ð—p‚¢‚āA‘å‹C‚̗͂̃oƒ‰ƒ“ƒX‚Ì‹c˜_‚ðs‚¢‚Ü‚µ‚½B‚»‚¤‚È‚é‚ƁA‘å‹C‰·“x‚̏î•ñ‚ª—~‚µ‚¢BŠÏ‘ª‚µ‚½‚¢I@2000”N‘ã‚́AKæ¶‚ðŒð‚¦‚āAƒgƒƒ€ƒ\‚ɃiƒgƒŠƒEƒ€ƒ‰ƒCƒ_[‚ðÝ’u‚Å‚«‚È‚¢‚©‚¢‚ë‚¢‚댟“¢‚µ‚Ü‚µ‚½BŠJ”­EÝ’u”ï—p‚Í1‰­‰~ƒNƒ‰ƒX‚Ȃ̂ŁA‚Ù‚Æ‚ñ‚Ç Mission Impossible! ‚Å‚·B‚Å‚àAŠïÕ‚ª‚¨‚«‚Ü‚µ‚āA—\ŽZ‚ª‚‚«‚Ü‚µ‚½I@2007”NˆÈ~‚́AƒiƒgƒŠƒEƒ€ƒ‰ƒCƒ_[’†S‚̐¶Šˆ‚É“Ë“üBƒŒ[ƒU[‚̐»ì‚É‚¢‚ë‚¢‚덢“‚ ‚è‚Ü‚µ‚½‚ªAŠïÕ‚̘A‘±il‚̗ցAl‚̉j‚ŁA‚È‚ñ‚Æ‚©A2010”N10ŒŽ‚ÉŠÏ‘ªŠJŽn‚ª‚Å‚«‚Ü‚µ‚½B”„‚è‚́A‚È‚ñ‚Æ‚¢‚Á‚Ä‚à5•ûŒü“¯ŽžŠÏ‘ª‚ŁA‚³‚ç‚ɁA‘fl‘åŠw‰@¶‚Å‚àAˆêl‚ʼn^—p‚Å‚«‚éiƒRƒ“ƒrƒj‚̃ƒ“ƒIƒy‚¾‚ˁj‚±‚ƁI‚±‚ê‚܂ŁA5–¼‹ß‚­‚ÌŠw¶‚ªAƒƒ“ƒIƒy‚ðs‚¢‚Ü‚µ‚½B–¼‘傾‚¯‚Å‚È‚­A“d’Ê‘å‚âMB‘åŠw‚ÌŠw¶‚àŠÏ‘ª‚ÉŽQ‰Á‚µ‚Ä‚¢‚Ü‚·Bƒgƒƒ€ƒ\‚́A11ŒŽ23“ú‚²‚ë`‚PŒŽ23“ú‚²‚ë‚܂ŁA–ñ2ƒPŒŽŠÔ‘¾—z‚ª¸‚è‚Ü‚¹‚ñBPolar night! ‚»‚ê‚Å‚àA’‹ŠÔ‚̐”ŽžŠÔ‚Í–¾‚é‚­‚È‚è‚Ü‚·B12ŒŽ‚Æ1ŒŽ‚́A°‚ê‚È‚çA‚P“ú20ŽžŠÔƒ‰ƒCƒ_[ŠÏ‘ª‚Å‚«‚Ü‚·B^“~‚±‚»ƒƒCƒ“ƒV[ƒYƒ“B‚±‚ê‚܂ŁA2‰ñA”N‰z‚µŠÏ‘ª‚ðŽÀŽ{‚µ‚Ü‚µ‚½BŽ„‚͉ƒë‘æˆê‚Ȃ̂ŁAŽc”O‚Å‚·‚ª‚±‚̂悤‚ÈŠy‚µ‚¢ŠÏ‘ª‚́AŽá‚¢l‚É‚¨Šè‚¢‚µ‚Ä‚¢‚Ü‚·B2011”N‚Ì“~‚́ATŒN&HŒNA2014”N‚Ì“~‚́ATŒN&HŒNi‚ ‚êA‹ô‘RƒCƒjƒVƒƒƒ‹“¯‚¶‚¾‚ˁj‚ªAƒNƒŠƒXƒ}ƒXANew year@‚ðƒgƒƒ€ƒ\‚ÌŠÏ‘ªŠ‚ʼn߂²‚µ‚āAƒ‰ƒCƒ_[ŠÏ‘ª‚ðŒp‘±‚µ‚ÄŽÀŽ{‚µ‚Ä‚­‚ê‚Ü‚µ‚½B‚«‚Á‚ƈꐶ‚ÌŽv‚¢o‚É‚È‚Á‚½‚ÆŽv‚¢‚Ü‚·B‚»‚êˆÈ~‚́AŽ„‚ª”N––ƒMƒŠƒMƒŠ‚܂ő؍݂·‚éƒpƒ^[ƒ“‚É•Ï‚í‚è‚Ü‚µ‚½B‚±‚±10”NAŒ¤‹†Š‚â’m‚荇‚¢‚Æ‚Ì–Y”N‰ï‚Í‚²–³¹‘¿‚µ‚Ä‚¨‚è‚Ü‚·B12ŒŽ‚́Aƒ‰ƒCƒ_[ŠÏ‘ª‚ÌŒŽIƒf[ƒ^‚Í‚½‚­‚³‚ñ‚½‚Ü‚è‚Ü‚µ‚½B‚¢‚ë‚¢‚ëŠy‚µ‚¢‚±‚Æ‚ª‚Å‚«‚»‚¤‚Å‚·B‚±‚ê‚܂ŁAƒ‰ƒCƒ_[ŠÖŒW‚̘_•¶‚́A9•Ò‚©‚ȁB‚à‚Á‚Ƙ_•¶‘‚©‚˂΁BBB

 

ƒiƒgƒŠƒEƒ€ƒ‰ƒCƒ_[ŠÖŒW˜_•¶

Tsuda, T. T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, C. M. Hall, S. Oyama, Y. Ogawa, S. Suzuki, T. Ogawa, T. Takahashi, H. Fujiwara, R. Fujii, N. Matuura, and A. Brekke, Fine structure of sporadic sodium layer observed with a sodium lidar at Troms_, Norway, Geophys. Res. Lett., 38, L18102, doi:10.1029/2011GL048685, 2011.

Matuura, N., T. Tsuda, and S. Nozawa, Field-Aligned Current Loop Model on Formation of Sporadic Metal Layers, J. Geophys. Res., 118, doi:10.1002/jgra.50414, 2013.

Tsuda, T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, Y. Ogawa, S. Oyama, C. M. Hall, M. Tsutsumi, M. K. Ejiri, S. Suzuki, T. Takahashi, T. Nakamura, Decrease in sodium density observed during auroral particle precipitation over Troms_, Norway, Geophys. Res. Lett., 40, 4486-4490, DOI: 10.1002/grl.50897, 2013.

Nozawa, S., T. D. Kawahara, N. Saito, C. M. Hall, T. T. Tsuda, T. Kawabata, S. Wada, A. Brekke, T. Takahashi, H. Fujiwara, Y. Ogawa, and R. Fujii, Variations of the neutral temperature and sodium density between 80 and 107 km above Tromso during the winter of 2010-2011 by a new solid state sodium LIDAR, J. Geophys. Res., 119, doi:10.1002/2013JA019520, 441-451, 2014.

Takahashi, T., S. Nozawa, M. Tsutsumi, C. Hall, S. Suzuki, T. T. Tsuda, T. D. Kawahara, N. Saito, S. Oyama, S. Wada, T. Kawabata, H. Fujiwara, A. Brekke, A. Manson, C. Meek, and R. Fujii, A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data, Ann. Geophys., 32, 1195-1205, 2014.

Takahashi, T., S. Nozawa, T. T. Tsuda, Y. Ogawa, N. Saito, T. Hidemori, T. D. Kawahara, C. Hall, H. Fujiwara, N. Matuura, A. Brekke, M. Tsutsumi, S. Wada, T. Kawabata, S. Oyama, and R. Fujii, A case study on generation mechanisms of a sporadic sodium layer above Troms_ (69.6‹N) during a night of high auroral activity, Ann. Geophys., 33, 941-953, 2015.

Tsuda, T. T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, C. M. Hall, M. Tsutsumi, Y. Ogawa, S. Oyama, T. Takahashi, M. K. Ejiri, T. Nishiyama, T. Nakamura, and A. Brekke, A sporadic sodium layer event detected with five-directional lidar and simultaneous wind, electron density, and electric field observation at Troms_, Norway, Geophys. Res. Lett., 42, 9190-9196, 2015GL066411, 2015.

Takahashi, T., K. Hosokawa, S. Nozawa, T. Tsuda, Y. Ogawa, M. Tsutsumi, Y. Hiraki, H. Fujiwara, T. Kawahara, N. Saito, S. Wada, T. Kawabata, C. Hall, Depletion of mesospheric sodium during extended period of pulsating aurora, J. Geophys. Res., 122, 1212-1220, 2017.

Kawahara, T.D., S. Nozawa, N. Saito, T, Kawabata, T.T. Tsuda, and S. Wada, Sodium temperature/wind LIDAR based on laser-diode-pumped Nd:Yag lasers deployed at Troms_, Norway (69.6‹, 19.2‹), Optics Express, 25, A491-A501, 2017.

 

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ƒtƒHƒgƒ[ƒ^ŠÖŒW‚̘_•¶

Adachi, K., S. Nozawa, Y. Ogawa, A. Brekke, C. M. Hall, R. Fujii, Evaluation of a method to derive ionospheric conductivities using two auroral emissions (428 and 630 nm) measured with a photometer at Troms_ (69.6‹N), Earth, Planets and Space, 69: 90. doi:10.1186/s40623-017-0677-4, 2017.

Nozawa, S., T. Kawabata, K. Hosokawa, Y. Ogawa, T. Tsuda, A. Mizuno, R. Fujii, and C. Hall, A new five-wavelength photometer operated in Troms_ (69.6‹N, 19.2‹E), Earth, Planets and Space, 10.1186/s40623-018-0962-x, 70:193, 2018.

Kawamura, Y., K. Hosokawa, S. Nozawa, Y. Ogawa, T. Kawabata, S. Oyama, Y. Miyoshi, S. Kurita, and R. Fujii, Estimation of the emission altitude of pulsating aurora using the five-wavelength photometer, Earth, Planets and Space, 72:96, 10.1186/s40623-020-01229-8, 2020.

 

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Ž¿–â“™‚ ‚ê‚΁Anozawa at isee.nagoya-u.ac.jp

‚Ƀ[ƒ‹‚µ‚Ä‚­‚¾‚³‚¢‚ˁB at = @



Go to Nozawa webpage