Bibliography files strings,ubpl January 18, 2012

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Bibliography files

strings,ubpl

January 18, 2012

References

[enell2012tomography] Enell, C.-F.,B. Gustavsson,B. U. E. Brändström,T. I. Sergienko,P. T. Verronen, P. Rydesäterand I. Sandahl. Tomography-like retrieval of auroral volume emission ratios for the 31 january 2008 hotel payload 2 event. Geosci. Instrum. Method. Data Syst. Discuss., 2:1–21, 2012.

[axelsson2011opa] Axelsson, K.,T. Sergienko,I. SandahlandU. Brändström. A study on the possibility to deduce the 2D distribution of the auroral electron precipitation from multi wavelength optical measurements with auroral imagers. In Sección Espe-cial: 37th AMASON Óptica Pura y Aplicada, volume 44, pages 605–609. Sociedad Española de Óptica, 2011.

[brandstrom2011gid] Br¨andstr¨om, B. U. E.,C.-F. Enell,O. Widell, ,T. Hansson,D. Whiter,

S. M¨akinen, D. Mikhaylova, K. Axelsson, F. Sigernes,N. Gulbrandsen,

N. M. Schlatter, A. G. Gjendem, L. Cai,J. P. Reistad, M. Daae,T. D. Demissie,Y. L. Andalsvik,O. Roberts,S. Poluyanov andS. Chernouss.

Results from the intercalibration of optical low-light calibration sources 2011.

Geosci. Instrum. Method. Data Syst. Discuss., pages 91–107, 2011. Paper in open discussion phase.

[dahlgren2011anngeo] Dahlgren, H., B. Gustavsson, B. S. Lanchester, N. Ivchenko,

U. Br¨andstr¨om,D. K. Whiter,T. Sergienko,I. SandahlandG. Marklund.

Energy and flux variations across thin auroral arcs. Ann. Geophys., 29:1699–1712, October 2011. doi:10.5194/angeo-29-1699-2011.

[enell2011jastp] Enell, Carl-Fredrik, Jonas Hedin, Jacek Stegman, Georg Witt, Mar-tin Friedrich, Werner Singer, Gerd Baumgarten, Bernd Kaifler, Ulf-Peter Hoppe, Björn Gustavsson, Urban Brändström, Mikhail Khap-lanov, Antti Kero, Thomas Ulich and Esa Turunen. The Hotel Payload 2 campaign: Overview of NO, O and electron density measurements in the upper mesosphere and lower thermosphere. J. Atmos. Solar and Terr. Phys., 73:2228– 2236, 2011. doi:10.1016/j.jastp.2011.01.001.

[enell2011op] Enell, Carl-Fredrik, Noora Partamies, Sanna Mäkinen, Jyrki Mat-tanen, Laureline Sangalli, Mika Veijonsuo, Björn Gustavsson, Urban Brändström and Torsten Aslaksen. EMCCD cameras for auroral imaging. Optics Days 2011, Oulu, Finland, May 2011.

[sandahl2011fine] Sandahl, I.,U. Br¨andstr¨omandT. Sergienko. Fine structure of aurora. Int. J. Remote Sensing, 32(11):2947–2972, 2011.

[sandahl2011opa] Sandahl, I.,U. BrändstömandT. Sergienko. Networks of people and infras-tructure for ground-based auroral research. In Sección Especial: 37th AMASON

´

Optica Pura y Aplicada), volume 44 of Opt. Pura Apl., pages 581–591. Sociedad Espa˜nola de ´Optica, 2011.

[tanaka2011feasibility] Tanaka, YM,T. Aso,B. Gustavsson,K. Tanabe,Y. Ogawa,A. Kadokura,

H. Miyaoka,T. Sergienko,U. Br¨andstr¨omandI. Sandahl. Feasibility study on generalized-aurora computed tomography. Ann. Geophys, 29:551–562, 2011.

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[enell2010am] Enell, C.-F.,B. Gustavsson,T. Sergienko,U. Br¨andstr¨omandI. Sandahl.

ALIS volume estimates of the 4278 and 5577 ˚A intensities, with applications. Talk, 37th Annual European meeting on Atmospheric Studies by Optical Methods, Val-ladolid, Spain, August 2010.

[enell2010nordauroptb] Enell, Carl-Fredrik, Torsten Aslaksen, Urban Brändström, Hanna Dahlgren, Björn Gustavsson, Nickolay Ivchenko, Noora Partamies and

Ingrid Sandahl.A collaborative ground-based optical infrastructure for space and atmospheric studies in the barents region. Talk, 4th NordAuropt workshop, Ap-atity, Russia, May 2010.

[enell2010nordauropt] Enell, Carl-Fredrik, Jonas Hedin, Jacek Stegman, Georg Witt, Mar-tin Friedrich, Werner Singer, Gerd Baumgarten, Bernd Kaifler, Ulf-Peter Hoppe, Björn Gustavsson, Urban Brändström, Mikhail Khap-lanov, Antti Kero, Thomas Ulich and Esa Turunen. Hotel Payload 2 mea-surements of NO, O and electron density. Talk, 4th NordAuropt workshop, Ap-atity, Russia, May 2010.

[lamy2010characterizing] Lamy, H., C. Simon, M. Echim, JM de Keyser, B. Gustavsson,

T. Sergienko,I. SandahlandU. Br¨andstr¨om. Characterizing magnetospheric electrons from alis observations of discrete auroral arcs and quasi-stationary mod-eling of auroral acceleration. InAGU Fall Meeting Abstracts, volume 1, page 1878. 2010.

[lamy2010coordinated] Lamy, H., C. Simon, B. Gustavsson, J. de Keyser, T. Sergienko,

U. Brändström andI. Sandahl. Coordinated observations of auroral arcs with alis and eiscat. In38th COSPAR Scientific Assembly, volume 38, page 1146. 2010. [sandahl2010ijrs] Sandahl, I.,U. BrändströmandT. Sergienko. Fine structure of aurora. Int.

J. Remote Sensing, 2010.

[sandahl2010deducing] Sandahl, I., T. Sergienko, K. Axelsson, B. Gustavsson and

U. Br¨andstr¨om. Deducing spatial properties of auroral primary particle distribu-tions from ground-based optical imaging. InAGU Fall Meeting Abstracts, volume 1, page 1885. 2010.

[simon2010discrete] Simon, C., H. Lamy, B. Gustavsson, JM de Keyser, T. Sergienko,

U. Br¨andstr¨om and I. Sandahl. Discrete auroral arcs: coordinated alis-eiscat observations and modelling. InAGU Fall Meeting Abstracts, volume 1, page 1713. 2010.

[vierinen2010meteoroids] Vierinen, Juha, Asta Pellinen-Wannberg, Urban Brändström, Björn Gustavsson and Carl-Fredrik Enell. Radar measurements during the Leonid campaign 2009. Presentation, Meteoroids 2010 conference, Breckenridge, Colorado, USA, May 2010.

[safargaleev2009electric] Safargaleev, VV, TI Sergienko, AE Kozlovsky, I. Sandahl,

U. Br¨andstr¨om and DN Shibaeva. Electric field enhancement in an auroral arc according to the simultaneous radar (eiscat) and optical (alis) observations.

Geomagnetism and Aeronomy, 49(3):353–367, 2009.

[sandahl2009nmr] Sandahl, I., editor. In the light of the aurora, Optical research in northern-most Europe, volume 557 ofTemaNord. Nordic Council of Ministers, Copenhagen, Copenhagen, 2009. Http://www.norden.org/sv/publikationer/publikationer/2009-557.

[aso2008irf] Aso, T., B. Gustavsson, K. Tanabe, U. Br¨andstr¨om, T. Sergienko and

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of aurora using multi-instrument data. InProceedings of the 33rd Annual European Meeting on Atmospheric Studies by Optical Methods, volume 292, pages 105–111. Swedish Institute of Space Physics, 2008.

[golovchanskaya2008jgr] Golovchanskaya, I. V.,B. V. Kozelov,T. I. Sergienkoand U. Br¨andstr¨om,

H. Nilsson and I. Sandahl. Scaling behavior of auroral luminosity fluctua-tions observed by ALIS. J. Geophys. Res., 113(A10303), 2008. doi:10.1029/ 2008JA013217.

[gustavsson2008jgr:a] Gustavsson, B., M. J. Kosch, A. Senior, A. J. Kavanagh, B. U. E. Br¨andstr¨omandE. M. Blixt.Combined EISCAT radar and optical multispectral and tomographic observations of black aurora. J. Geophys. Res., 113(A12):A06308, June 2008. doi:10.1029/2007JA012999.

[sandahl2008jastp] Sandahl, I., T. Sergienko and U. Br¨andstr¨om. Fine structure of optical aurora. J. Atmos. Solar and Terr. Phys., 70:2275–2292, 2008. doi:10.1016/j.jastp. 2008.08.016.

[sergienko2008anngeo] Sergienko, T., I. Sandahl, B. Gustavsson, U. Br¨andstr¨om, L. Anders-son and ˚A. Steen. A study of fine structure of diffuse aurora with ALIS-FAST measurements. Ann. Geophys., 26:3185–3195, October 2008.

[braendstroem2006ras] Brändström, Urban, Ingrid Sandahl, Tima Sergienko, Asta Pellinen-Wannberg, Björn Gustavsson, M. T. Rietveld, Takehiko Aso and ˚Ake Steen. Alis - highlights, status and future plans. In Physics of Auroral Phenom-ena, volume XXIX ofAnnual seminar Apatity, pages 217–220. Kola Science Centre, Russian Academy of Science, 2006.

[gustavsson2006prl] Gustavsson, Bj¨orn, T. B. Leyser,M. Kosch,M. T. Rietveld,˚Ake Steen,

Berndt Urban Eugén BrändströmandTakehiko Aso.Electron gyroharmonic effects in ionization and electron acceleration during high-frequency pumping in the ionosphere. Phys. Rev. Lett., 97(195002), 2006.

[braendstroeml2005esa] Brändström, Urban,Björn Gustavsson,Asta Pellinen-Wannberg,Ingrid Sandahl,Tima Sergienkoand˚Ake Steen. Groundbased multi-station spectro-scopic imaging with ALIS — scientific highlights, project status and future projects. In 17th ESA Symposium on European Rocket and Balloon Programmes and Re-lated Research, volume SP-590, pages 239–244. European Space Agency, May 2005. ISBN 92-9092-901-4.

[gustavsson2005anngeo] Gustavsson, B., T. Sergienko, M. J. Kosch, M. T. Rietveld, B. U. E. Br¨andstr¨om, T. B. Leyser, B. Isham, P. Gallop, T. Aso, M. Ejiri, ˚A. Steen,T. Grydeland, C. la Hoz, K. Kaila, J. JussilaandH. Holma. The electron distribution during HF pumping, a picture painted with all colors. Ann. Geophys., 23(5):1747–1754, 2005.

[sandahl2005esa] Sandahl, Ingrid, Urban Brändström, Björn Gustavsson and Tima Sergienko. International network for auroral optical studies of the polar iono-sphere. In 17th ESA Symposium on European Rocket and Balloon Programmes and Related Research, volume SP-590, pages 607–612. European Space Agency, May 2005. ISBN 92-9092-901-4.

[pellinen2004grl] Pellinen-Wannberg, Asta, Edmond Murad, Björn Gustavsson, Urban Brändström, Carl-Fredrik Enell, Christopher Roth, Iwan P. Williams

and˚Ake Steen. Optical observations of water in Leonid meteor trails. Geophys. Res. Lett., 31, February 2004. doi:10.1029/2003GL018785.

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[braendstroem2003irf] Br¨andstr¨om, Urban. The Auroral Large Imaging System — Design, operation and scientific results. Ph.D. thesis, Swedish Institute of Space Physics, Kiruna, Sweden, October 2003. (IRF Scientific Report 279), ISBN: 91-7305-405-4.

[braendstroem2003sgp] Brändström, Urban, Torbjörn Lövgren, Arne Moström, Carl-Fredrik Enell, Björn Gustavsson, Takehiko Aso, Masaki Ejiri, ˚Ake Steen and

Peter Rydes¨ater. Brief report on ALIS (Auroral Large Imaging System), a new all-sky camera in Kiruna and auroral imaging using a mini-DV camcorder. So-dankyl¨a Geophysical publication series, 92:89–92, August 2003.

[enell2003anngeo] Enell, Carl-Fredrik,Urban Brändström,Björn Gustavsson,Sheila Kirk-wood,Kerstin Stebeland˚Ake Steen.Case studies of the development of polar stratospheric clouds using bistatic imaging. Ann. Geophys., 21:1869–1878, 2003. [rydesaeter2003sgp] Rydesäter, Peter,Björn Gustavsson,Urban Brändströmand˚Ake Steen.

Lossy compression of scientific images of aurora.Sodankyl¨a Geophysical publication series, 92:1–4, August 2003.

[gustavsson2002grl] Gustavsson, Björn,Berndt Urban Eugén Brändström,˚Ake Steen, Tim-ophey Sergienko, Thomas B. Leyser, M. T. Rietveld, Takehiko Aso

and Masaki Ejiri. Nearly simultaneous images of HF-pump enhanced airglow at 6300 ˚A and 5577 ˚A. Geophys. Res. Lett., 29(24):2220, 2002. Paper No. 10.1029/2002GL015350.

[kirkwood2002grl] Kirkwood, S., V. Barabash, B. U. E. Brändström, A. Moström,

K. Stebel,N. MitchellandW. Hocking. Noctilucent clouds, PMSE and 5-day planetary waves: a case study. Geophys. Res. Lett., 29(10):50–1–4, 2002.

[leyser2002ursi] Leyser, T. B., B. U. E. Br¨andstr¨om, B. Gustavsson, T. Sergienko and

M. T. Rietveld. Enhanced airglow by high frequency electromagnetic pumping with the EISCAT heating facility and observed by the multi-station auroral large imaging system ALIS. In URSI. URSI, 2002. Paper 815, 2002.

[braendstroem2001esa] Brändström, Urban, Björn Gustavsson, ˚Ake Steen and Asta Pellinen-Wannberg. ALIS (Auroral Large Imaging System) used for optical observations of the meteor impact process. In Barbara Warmbein, editor,Proceedings of the Me-teoroids 2001 Conference, volume SP-495, pages 331–336. European Space Agency, 2001. ISBN 92-9092-805-0.

[gustavsson2001jgr] Gustavsson, B., T. Sergienko, M. T. Rietveld, F. Honary, ˚A Steen,

B. U. E. Br¨andstr¨om, T. B. Leyser, A. L. Aruliah,T. Asoand M. Ejiri.

First tomographic estimate of volume distribution of enhanced airglow emission caused by HF pumping. J. Geophys. Res., 106(A12):29105–29123, December 2001. [gustavsson2001pce] Gustavsson, Björn, ˚A. Steen, T. Sergienko and B. U. E. Brändström.

Estimate of auroral electron spectra, the power of ground-based multi-station optical measurements. Phys. Chem. Earth, 26(1-3):189–194, 2001.

[aso2000asr] Aso, Takehiko,˚Ake Steen,Urban Brändström,Björn Gustavsson,Akira UrashimaandMasaki Ejiri. ALIS — a state of the art optical observation net-work for the exploration of polar atmospheric processes.Adv. Space Res., 26(6):917– 924, 2000.

[enell2000pce] Enell, Carl-Fredrik, Björn Gustavsson, ˚Ake Steen, Urban Brändström

and Peter Rydes¨ater. Multistatic imaging and optical modelling of nacreous clouds. Phys. Chem. Earth, 25(5-6):451–457, 2000.

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Key: enell2000pce

Annotation: Proceedings of the 26th Annual European Meeting on Atmospheric Studies by Optical Methods

[hedin2000apuar] Hedin, M., I. Häggström,Asta Pellinen-Wannberg,I. Häggström,Laila Andersson, Urban Brändström, Björn Gustavsson, ˚Ake Steen, Assar Westman, Gudmund Wannberg, Tony van Eyken, Takehiko Aso, Cyn-thia Cattell, Charles W. Carlson and Dave Klumpar. 3-D extent of the main ionospheric trough —a case study. Adv. Polar Upper Atmos. Res., 14:157– 162, August 2000.

[instrkurs2000irf] Høymork, Solveig H., editor. Sensors and Instruments for Space Exploration, chapter 6. Measurements by optical methods, pages 71–119. Swedish Institute of Space Physics, Kiruna, 2 edition, 2000.

[leyser2000apuar] Leyser, T. B.,B. Gustavsson,B. U. E. Br¨andstr¨om,F. Honary ˚A. Steen,

Takehiko Aso M. T. RietveldandMasaki Ejiri. Simultaneous measurements of high-frequency pump-enhanced airglow and ionospheric temperatures at auroral latitudes. Adv. Polar Upper Atmos. Res., 14:1–11, 2000.

[rees2000grl] Rees, David, Mark Conde, ˚Ake Steenand Urban Br¨andstr¨om. The first daytime ground-based optical image of the aurora. Geophys. Res. Lett., 27(3):313– 316, February 2000.

[sergienko2000pce] Sergienko, T., B. Gustavsson, ˚A. Steen, U. Br¨andstr¨om, M. Rietveld,

T. LeyserandF. Honary. Analysis of excitation of the 630.0 nm airglow during heating experiment in Tromsø on February 16, 1999. Phys. Chem. Earth, 25:531– 535, 2000.

[tagirov2000jsr] Tagirov, Vartan,V. A. Arinin,Urban Brändström,A. PajunpääandV.V. Klimenko. Atmospheric optical phenomena caused by powerful rocket launches.

J. Spacecraft and Rockets, 37(6):812–821, November 2000.

[amm1999anngeo] Amm, O.,A. Pajunpää andU. Brändström. Spatial distribution of conduc-tances and currents associated with a North-South auroral form during a multiple substorm period. Ann. Geophys., 17:1385–1396, 1999.

[aso1999iaags] Aso, Takehiko, Masaki Ejiri, Akira Urashima, ˚Ake Steen, Urban Brändström and Björn Gustavsson. Auroral tomography of ALIS images and related camera calibrations. In XXV annual European Meeting on Atmo-spheric Studies by Optical Methods, page 49. Instituto de Astrof´ısica de Andalucia, Granada, Spain, 1999.

[braendstroem1999esa] Brändström, B. U. E., T. B. Leyser,˚A. Steen,M. T. Rietveld,B. Gus-tavsson,T. Aso and M. Ejiri. ALIS observations of heater induced airglow at high latitudes. In B. Kaldeich-Schürmann, editor, Proceedings 14th ESA Sympo-sium on European Rocket and Balloon Programmes and Related Research, volume SP-437, page 389. European Space Agency, May 1999. ISBN 92-9092-748-8. [braendstroem1999grl] Brändström, B. U. E., T. B. Leyser,˚A. Steen,M. T. Rietveld,B.

Gus-tavsson, T. Aso and M. Ejiri. Unambigous evidence of HF pump-enhanced airglow. Geophys. Res. Lett., 26(23):3561–3564, December 1999.

[enell1999spie] Enell, Carl-Fredrik, Björn Gustavsson, ˚Ake Steen, Urban Brändström,

Peter Rydes¨ater,P. Johansson,T. Wagner,U. Friess,K. Pfeilstickerand

U. Platt. Optical studies of polar stratospheric clouds. In Jaqueline E. Russell, editor,Proceedings of SPIE, Satellite remote sensing of clouds and the atmosphere IV, volume 3867, pages 290–297. The International Society for Optical Engineering, September 1999.

(6)

[enell1999iaags] Enell, Carl-Fredrik, ˚Ake Steen, Björn Gustavsson, Urban Brändström,

Per Johansson,Thomas Wagner,Udo Frieß,Klaus PfeilstickerandUlrich Platt. Studies of polar stratospheric clouds occurence at Kiruna. InXXV annual European Meeting on Atmospheric Studies by Optical Methods, pages 122–126. Instituto de Astrof´ısica de Andalucia, Granada, Spain, 1999.

[enell1999ec] Enell, Carl-Fredrik, ˚Ake Steen, Björn Gustavsson, Urban Brändström,

Per Johansson, Thomas Wagner, Udo Frieß, Klaus Pfeilsticker, Ulrich Platt and Karl-Heinrich Fricke. Detection of polar stratospheric clouds at Kiruna. In K. S. Carslaw and G. T. Amanatidis, editors, Air pollution report 69, Mesoscale processes in the stratosphere, volume 18912, pages 65–68. Office for Official Publications of the European Communities, European Commission, Lux-embourg, 1999. ISBN 92-828-4629-6.

[hedin1999hikr] Hedin, M., I. Häggström,Asta Pellinen-Wannberg,I. Häggström,Laila Andersson, Urban Brändström, Björn Gustavsson, ˚Ake Steen, Assar Westman, Gudmund Wannberg, Tony van Eyken, Takehiko Aso, Cyn-thia Cattell, Charles W. Carlsonand Dave Klumpar. Trough observations with the EISCAT radars, ALIS auroral imaging system and FAST satellite. In Jan-Olof Gustavsson, editor, Proceedings of RadioVetenskap och Kommunikation 99, volume 1, pages 113–117. Högskolan i Karlskrona/Ronneby, Karlskrona, Sweden, June 1999. ISBN 91-630-8156-3.

[steen1999esa] Steen, ˚Ake,Jan Englund,Urban Br¨andstr¨om,Ulf Stambro,Sten Hedlin,

Stig Kemi,Lennart Marcus,Ola WidellandLars Sarri.KEOPS a networked optical research facility at high latitudes. In B. Kaldeich-Sch¨urmann, editor, Pro-ceedings 14th ESA Symposium on European Rocket and Balloon Programmes and Related Research, volume SP-437, pages 173–178. European Space Agency, May 1999. ISBN 92-9092-748-8.

[steen1999iaags] Steen, ˚Ake, Björn Gustavsson, Urban Brändström, Takehiko Aso and

Masaki Ejiri. OI 846.6 nm auroral imaging. In Proceedings of the 25th annual European Meeting on Atmospheric Studies by Optical Methods, Granada, Spain, pages 90–95. Instituto de Astrof´ısica de Andalucia, Granada, Spain, 1999. [steen1999ec] Steen, ˚Ake, Bj¨orn Gustavsson, Carl-Fredrik Enell and Urban

Br¨andstr¨om. PSC dynamics investigated by multi-station imaging — techniques, results and prospects. In K.S. Carslaw and G.T. Amanatidis, editors,Air pollution research report. Mesoscale processes in the stratosphere, volume 69, pages 239–242. European Comission, 1999. ISBN 92-828-4629-6.

[urashima1999apuar] Urashima, Akira,Takehiko Aso,Masaki Ejiri,˚Ake Steen,U. Br¨andstr¨om

andB. Gustavsson. Camera calibration by integrating sphere for the auroral to-mography observation. Adv. Polar Upper Atmos. Res., 13:79–88, September 1999. [aso1998eps] Aso, Takehiko, Masaki Ejiri, Akira Urashima, Hiroshi Miayoka, ˚Ake

Steen, Urban Brändström and Björn Gustavsson. First results from auro-ral tomography from ALIS-Japan multi-station observations in March 1995. Earth Planets Space, 50:81–86, 1998.

[aso1998nipr] Aso, Takehiko, Masaki Ejiri, Akira Urashima, Hiroshi Miyaoka, ˚Ake Steen,Urban BrändströmandBjörn Gustavsson.Auroral tomography anal-ysis of a folded arc observed at the ALIS-JAPAN multi-station campaign on March 26, 1995. In Proceedings of the NIPR Symposium on upper atmosphere Physics, volume 11, pages 1–10. National Institute of Polar Research, Tokyo, January 1998.

(7)

[braendstroem1998spie] Brändström, Urban,˚Ake Steen,Peter Rydesäter,Björn Gustavssonand

Takehiko Aso. ALIS, a multi station imaging facility with possibilities of fu-ture VI applications. In Mary Lou Padget Thomas Lindbladh and Jason Kinser, editors, Ninth workshop on Virtual Intelligence / Dynamic neural networks, vol-ume 3728, pages 108–114. Royal Institute of Technology, Stockholm, Sweden, The International Society for Optical Engineering, June 1998. ISBN 0-8194-3202-4. [pudovkin1998spie] Pudovkin, M. I., ˚Ake Steen, N. V. Nikolaev, O. I. Kornilov, Urban

Brändström, Björn Gustavsson and Peter Rydesäter. Automatic recogni-tion of auroral forms. In Mary Lou Padget Thomas Lindbladh and Jason Kinser, editors, Ninth workshop on Virtual Intelligence / Dynamic neural networks, vol-ume 3728, pages 121–127. Royal Institute of Technology, Stockholm, Sweden, The International Society for Optical Engineering, June 1998. ISBN 0-8194-3202-4. [rydesaeter1998spie] Rydesäter, Peter, ˚Ake Steen, Urban Brändström and Björn

Gustavs-son. Classifying auroras using artificial neural networks. In Mary Lou Padget Thomas Lindbladh and Jason Kinser, editors, Ninth workshop on Virtual Intelli-gence / Dynamic neural networks, volume 3728, pages 115–120. Royal Institute of Technology, Stockholm, Sweden, The International Society for Optical Engineer-ing, June 1998. ISBN 0-8194-3202-4.

[braendstroem1997bst] Brändström, Urban,˚Ake Steen,Björn Gustavsson,Laila Andersson, In-gemar Häggström, Assar Westman, Asta Pellinen-Wannberg, Takehiko Aso,Kari Kaila,Charles W. Carlson,David KlumparandCindy Catell.

Preliminary results from coordinated measurements by FAST and groundbased opti-cal and radar facilities, in Northern Scandinavia, during active auroral conditions. In Proceedings of the 24th annual European Meeting on Atmospheric Studies by Optical Methods, pages 41–46. Sentraltrykkeriet A/S Bodø, August 1997. ISBN 82-994583-0-7.

[braendstroem1997bst:b] Brändström, Urban, ˚Ake Steen, Björn Gustavsson and Takehiko Aso.

ALIS — current status, planned developement and calibration. InProceedings of the 24th annual European Meeting on Atmospheric Studies by Optical Methods, pages 214–217. Sentraltrykkeriet A/S Bodø, August 1997. ISBN 82-994583-0-7. [braendstroem1997bst:c] Brändström, Urban,˚Ake Steen,Björn Gustavsson,David ReesandM. J.

Harris. Preliminary results from a comparision of observations of thermospheric neutral wind patterns and auroral emissions. In Proceedings of the 24th annual European Meeting on Atmospheric Studies by Optical Methods, pages 37–40. Sen-traltrykkeriet A/S Bodø, August 1997. ISBN 82-994583-0-7.

[eide1997esa] Eide, ˚Age J.,V. Becanovic,U. Brändström,C. Holmström,M. Larsson,

Inge Morten Lillesand, Thomas Lindblad, C. S. Lindsey,˚Ake Steenand

J. Waldemark. Pulse coupled neural network pre-processing of aurora images. InAI Applications in Solar Terrestial Physics, volume WPP-148, pages 201–205. European Space Agency, July 1997.

[pudovkin1997ssr] Pudovkin, Michael I.,˚Ake Steenand Urban Br¨andstr¨om. Vorticity in the magnetospheric plasma and its signature in the aurora dynamics. Space Science Rev., 80:411–444, 1997.

[rydesaeter1997esa] Rydes¨ater, Peter, ˚Ake Steen, Bj¨orn Gustavsson and Thomas Lindblad.

Application of selective imaging techniques to multi-station imaging. In2nd work-shop on AI Applications in Solar Terrestial Physics, volume WPP-148, pages 195– 199. European Space Agency, July 1997.

(8)

[steen1997esa] Steen, ˚Ake, Urban Brändström and Björn Gustavsson. ALIS — a multi station imaging system at high latitude with multi disciplinary scientific objectives. InProceedings 13th ESA Symposium on European Rocket and Balloon Programmes and Related Research, pages 261–266. ESA, September 1997.

[steen1997bst] Steen, ˚Ake,Urban Brändström, Björn GustavssonandTakehiko Aso. A multistation approach in the Barents region. In Proceedings of the 24th annual European Meeting on Atmospheric Studies by Optical Methods, pages 203–206. Sentraltrykkeriet A/S Bodø, August 1997.

[steen1997xx] Steen, ˚Ake,Björn GustavssonandUrban Brändström. Temporal variation of 2D altitude distributions of lee-wave generated polar stratospheric clouds. In

Proceedings of the 4th European symposium of polar stratospheric ozone. 1997. [waldemark1997xx] Waldemark, J., V. Becanovic, U. Brändström, C Holmström, M.

Lars-son,T. Lindblad,C. S. Lindsayand˚Ake Steen.Investigation of useful image preprocessing for analysis of aurora images. InProceedings EANN. 1997.

[aruliah1996jgr] Aruliah, Anasuya L.,A. D. Farmer,David ReesandUrban Br¨andstr¨om.

The seasonal behaviour of high-latitude thermospheric winds and ion velocities ob-served over one solar cycle. J. Geophys. Res., 101(A7):15701–15711, July 1996. [steen1996sgo] Steen, ˚Ake,Urban BrändströmandBjörn Gustavsson. Multi station

imag-ing studies together with the ørsted satellite. InProc. Ørsted meeting. Sodankyl¨a, Finland. April 1996.

[braendstroem1994esa] Br¨andstr¨om, Urbanand˚Ake Steen. ALIS — A new ground-based facility for auroral imaging in Northern Scandinavia. InProc. 11th Symposium on European rocket and ballon programmes and related research, Montreux, Switzerland., pages 301–306. European Space Agency, March 1994. ESA SP-355.

[braendstroem1993uih] Br¨andstr¨om, Urban. Reduction and analysis of astronomical image data from the ’Stockholm’ CCD camera at NOT (Nordic Optical Telescope). In Juhani Huovelin, editor, Reports of the Nordic course on astronomical image processing, pages 19–26. Observatory, University of Helsinki, August 1993. Report 3/1993. [knudsen1993jgr] Knudsen, David J.,G. Haerendel,Stefan Buchert,M.C. Kelley,˚A. Steen

andU. Br¨andstr¨om. Incoherent scatter radar spectrum distorsions from intense auroral turbulence. J. Geophys. Res., 98:9459–9471, 1993.

[steen1993stepin] Steen, ˚Ake andU. Br¨andstr¨om. A multi station ground-based imaging system at high latitudes. STEP Int. Newslett., 3(5):11–14, May 1993.

[braendstroem1992irf] Br¨andstr¨om, Urban and ˚Ake Steen. Report on the ALIS project. In ˚Ake Steen, editor, Proc. 19th Annual European meeting on atmospheric studies by op-tical methods, Kiruna, Sweden, pages 310–321. Swedish Institute of Space Physics, Kiruna, Sweden, 1992. IRF Scientific Report 209.

[steen1992esa] Steen, ˚Ake and Urban Br¨andstr¨om. requirements on CCD-detectors for ground-based auroral imaging. In Proc. ESA symposium on photon detectors for space instrumentation, pages 379–382. European Space Agency, ESTEC, The Netherlands, December 1992. ESA-SP-356.

[braendstroem1991nssr] Br¨andstr¨om, Urbanand˚Ake Steen. ALIS station architecture. InProc. NSSR Annual meeting, Klintholm Havn, Møn, Denmark, pages 111–118. Nordic Society for Space Research, November 1991.

[steen1990nssr] Steen, ˚Ake, Urban Br¨andstr¨om and Kari Kaila. A scientific and technical description of ALIS. In Proc. NSSR Annual meeting Bolkesjø, Norway, pages 153–164. Nordic Society for Space Research, November 1990.