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13th International EISCAT Workshop
Mariehamn, Åland, Finland, August 6-10, 2007


last update: 2007-07-13, 0835 UTC

Monday, 6th August

08:00-09:00 Registration
09:00-09:25 Opening of the 13th International EISCAT Workshop
Session I: Session in honour of Professor Tor Hagfors: Contribution to science
Conveners: Asgeir Brekke, Tony van Eyken
09:25-09:30Introduction by session chair
Tony van Eyken
09:30-10:00 Tor Hagfors: Contributions to incoherent scatter theory (invited)
John Holt
10:00-10:30 Tor Hagfors: A career in incoherent scatter at Stanford, Millstone Hill, Jicamarca, Arecibo, and EISCAT (invited)
Don Farley
10:30-10:55Coffee break
10:55-11:25 Tor Hagfors: Contribution to ionospheric modification, pulse coding and novel radar techniques (invited)
Michael Sulzer
Session I: Session in honour of Professor Tor Hagfors: Legacy
Conveners: Asgeir Brekke, Tony van Eyken
11:25-11:30Introduction by session chair
11:30-12:00 World-wide incoherent scatter: Systems, capabilities, and operations (invited)
Tony van Eyken
13:30-14:00 The next generation of incoherent scatter radars: AMISR, EISCAT_3D, and beyond (invited)
John Kelly
14:00-14:30 EISCAT: Scientific strategy for the next five, ten and thirty years (invited)
Mike Lockwood
Session II: Meteor and Interplanetary Space Studies with Large Aperture Radars
Conveners: Asta Pellinen-Wannberg, Diego Janches
14:30-14:45 Dramatic increase of space debris peak density since 2006 seen at ESR
Jussi Markkanen
14:45-15:00 Modeling the temporal and geographical variability of the micrometeor mass input in the upper atmosphere using HPLA radar measurements
Diego Janches and J. Fentzke
15:00-15:15 Extremely long-baseline interplanetary scintillation measurements - a tool for probing solar wind structure
A. Breen, Richard Fallows, G. Dorrian and M. Bisi
15:15-15:30 Equatorwards expansion of the fast solar wind
Gareth Dorrian, A. Breen, R. Fallows, M. Bisi, P. Thomasson and G. Wannberg
15:30-16:00Coffee break
16:00-16:30 Plasma and EM simulations of meteor head echo reflections (invited)
Lars Dyrud, D. Wilson, S. Close, S. Boerve, J. Trulsen and H. Pecseli
16:30-16:45 A Comprehensive Model of Electromagnetic Scattering from Meteor Head Plasmas
M. Light, S. Close, Patrick Colestock and J. Zinn
16:45-17:00 The EISCAT Meteor Code
Gudmund Wannberg, A. Westman, A. Pellinen-Wannberg, J. Kero and C. Szasz
17:00-17:15 3D position determination of small coherent meteor targets with EISCAT UHF
Johan Kero, C. Szasz, G. Wannberg, A. Pellinen-Wannberg and A. Westman
17:15-17:30 Luminosity of the EISCAT UHF micrometeoroids estimated with an ablation model
Csilla Szasz, J. Kero, A. Pellinen-Wannberg, D. D. Meisel, G. Wannberg and A. Westman
17:30-17:45 Dusty plasma conditions in meteor trails
Asta Pellinen-Wannberg, I. Häggström, M. Rosenberg, N. Meyer-Vernet, E. Murad, O. Popova et al.
19:00-21:00Icebreaking party

Tuesday, 7th August

Session III: Novel Developments in Radar Techniques and Applications
Conveners: Ian McCrea, John Kelly
08:15-08:30 Perfect pulse compression codes and other advances in radar experiment theory
Markku Lehtinen
08:30-08:45 General radar transmission codes
Juha Vierinen, M. Lehtinen and M. Orispää
08:45-09:00 FLIPS (Fortran Linear Inverse Problem Solver)
Mikko Orispää
09:00-09:15 A new method for decoding phase codes
Ilkka Virtanen, M. Lehtinen, T. Nygrén, M. Orispää and J. Vierinen
09:15-09:45 A Bayesian approach to resolving velocities with the Poker Flat ISR (invited)
Craig Heinselman and M. Nicolls
09:45-10:15Coffee break
10:15-10:30 AMISR as a tool for studying the generation and propagation of gravity waves at high latitudes
Michael Nicolls, C. Heinselman, S. Vadas and J. Kelly
10:30-11:00 EISCAT_3D: Background, progress, current status and next steps (invited)
Gudmund Wannberg
11:00-11:15 Presentation of the Large Aperture Array Radar Simulation Environment (LAARSE), a Matlab simulation tool developed for the EISCAT 3D radar
Gustav Stenberg
11:15-11:30 Time synchronization in the EISCAT_3D Incoherent Scatter Radar
Tore Lindgren, G. Stenberg, M. Larsmark, J. Borg and J. Johansson
11:30-11:45 Phase calibration of an aperture synthesis imaging array by means of incoherent scattering
T. Grydeland, Cesar La Hoz and V. Belyey
11:45-12:00 Data archive and distribution systems for the EISCAT_3D radar
Derek McKay, I. Finch, S. Crothers and I. McCrea
12:00-12:15 Developments in the use of EISCAT for interplanetary scintillation
Richard Fallows, A. Breen and G. Dorrian
Session IV: Mesosphere and D-Region Studies
Conveners: Sheila Kirkwood, Esa Turunen
13:45-14:00 New PMSE observations with the EISCAT 500-MHz Svalbard Radar and the SOUSY 53.5-MHz Svalbard Radar
Jürgen Röttger, M. Rapp, L. Qiang, J. Trautner, A. Serafimovich and C. Hall
14:00-14:15 Polar mesosphere winter echoes: Height dependence of spectral widths at 224 MHz and 52 MHz and the infrasound theory
Sheila Kirkwood, E. Belova and H. Nilsson
14:15-14:45 PMSE/PMWE research using the EISCAT Heating facility: A review of recent results (invited)
Evgenia Belova
14:45-15:00 Measurements and theory of scattering cross sections of PMSE with the EISCAT VHF and UHF radars
Cesar La Hoz and O. Havnes
15:00-15:30Coffee break
15:30-16:00 Sunset transition in the D-region ionosphere during the October 1989 solar proton event (invited)
Pekka T. Verronen, Th. Ulich, E. Turunen and C. J. Rodger
16:00-16:15 Energy characteristics of precipitating relativistic electrons as determined from EISCAT, VLF propagation and riometer data using D-region ion chemistry modelling
Esa Turunen, Th. Ulich, C.-F. Enell, A. Kero, T. Raita, J. Manninen et al.
16:15-16:30 Modelling the mesospheric effects of solar short-wave radiation
Carl-Fredrik Enell, P. T. Verronen, A. M. Seppälä, A. Kero, Th. Ulich and E. Turunen
16:30-18:00Poster session
Session III: Novel Developments in Radar Techniques and Applications
The use of long-time EISCAT data series for improving ionospheric corrections models: First results
Rico Behlke, V. Belyey and C. La Hoz
First results of an open-source based program for acquiring long time series of ionospheric parameters from the EISCAT Madrigal database
V. Belyey and Cesar La Hoz
Interferometric imaging (WP5) for EISCAT_3D
V. Belyey, T. Grydeland and Cesar La Hoz
Statistical analysis of incoherent scatter experiments using the Markov Chain Monte-Carlo method
Juha Vierinen, I. Virtanen, M. Lehtinen and A. Kero
Session IV: Mesosphere and D-Region Studies
Modelling of the ion composition in the lower high-latitude ionosphere during solar proton precipitation
A. Osepian, Sheila Kirkwood, P. Dalin and V. Tereschenko
Influence of the concentration of minor neutral (NO, O3, and O) constituents on the structure of the lower ionosphere during solar proton events
Sheila Kirkwood, A. Osepian, V. Tereschenko and P. Dalin
D-layer electron temperature estimates from Heater-modulated PMSE as observed by the IRIS riometer
Graham Routledge, M. J. Kosch and F. Honary
Overshoot effect and polar mesosphere winter echoes on October 24, 2006
E. Belova, Maria Smirnova, M. Rietveld, B. Isham, S. Kirkwood and T. Sergienko
Session V: Magnetosphere-Ionosphere-Atmosphere Coupling Studies
Incoherent scatter radar measurements of field-aligned currents in the polar region
Ingemar Häggström
On meso-scale coupling between ionospheric Joule heating and electrojet activity
Kirsti Kauristie, O. Amm, A. Aikio, L. Juusola, I. Sillanpää and H. Vanhamäki
Influence of the ionosphere F2 layer peak height hmF2 long-term lowering on the mean night variation in the red 630.0 nm line nightglow intensity
G. Didebulidze, N. Gudadze, Levan Lomidze and G. Javakhishvili
Comparison and validation studies related to the modeling ionospheric convection and the EISCAT observations in the polar cap
Renata Lukianova, A. Kozlovsky and T. Turunen
Polar cap sporadic E and electric field
Tuomo Nygrén, A. Aikio and M. Voiculescu
Session VI: Auroral Phenomena
The Trans-National Access Program
Lisa Baddeley
Session VII: Structures and Dynamics of the Polar Cap and Cusp
  Ion-dispersion in the cusp: A case study investigated with satellite and radar
J. Lunde, Stephan Buchert, Y. Ogawa, M. Hirahara, K. Seki, Y. Ebihara et al.
Session VIII: Ionospheric Plasma Physics and Scattering Mechanisms
Naturally enhanced ion-acoustic lines and solitary waves
Jonas Ekeberg, K. Stasiewicz, L. Eliasson and T. B. Leyser
Dependence of the ion-acoustic speed on the electron drift in the high-latitude ionosphere
A. Koustov, R. Fiori, J. Gorin and Mikhail Uspensky
Session IX: Ionospheric Modification by Radio Waves
HF heater-induced phenomena in the ionospheric F region under the pump frequency above the maximum plasma frequency
Nataly Blagoveshchenskaya, T. Borisova, V. Kornienko, M. Rietveld and A. Brekke
Ionospheric pumping experiments on the second electron gyro-harmonic in Alaska
M. Kosch, B. Bristow, F. Djuth, C. Heinselman, J. Hughes, Björn Gustavsson et al.
Observation of ionosphere response to HF heating at Barentsburg
Alexey Mochalov, A. Pashin and T. K. Yeoman
Previously unreported emissions from ionospheric heating experiments
Charles Mutiso, J. Hughes, M. Kosch and B. Gustavsson
Modification of the natural plasma line during HF heating at Tromsø
Andrew Senior and M. J. Kosch

Wednesday, 8th August

Session V: Magnetosphere-Ionosphere-Atmosphere Coupling Studies
Conveners: Tim Yeoman, Olaf Amm
08:15-08:45 The Pedersen current carried by electrons: Effects on magnetosphere-ionosphere coupling (invited)
Stephan Buchert
08:45-09:00 Statistical MLT-distribution of conductances, electric fields, and Joule heating rate at high latitudes
Anita Aikio, A. Seppänen and T. Nygrén
09:00-09:15 A comparison of various ground-based methods of estimating ionospheric conductances
Andrew Senior, M. J. Kosch, T. R. Pedersen and F. Honary
09:15-09:30 Investigation of the ground-based signatures of the ionospheric Alfvén resonator (IAR) using the data from EISCAT Svalbard Radar
Nadezhda Semenova and A. G. Yahnin
09:30-09:45 GPS imaging of magnetosphere-ionosphere coupling
Dimitry Pokhotelov, C. Mitchell and P. Spencer
09:45-10:15Coffee break
10:15-10:45 Mesoscale thermospheric structure - current evidence and future experiments (invited)
Eoghan Griffin, A. Aruliah, I. McWhirter, I. Yiu, A. Dobbin, G. Millward et al.
10:45-11:00 Physical mechanism to generate vertical motions in the polar lower thermosphere
Shin-ichiro Oyama, S. Maeda, H. Shinagawa and B. J. Watkins
11:00-11:15 Multi-layer structure and its short-period oscillations in the ionosphere F2 layer as a result of the presence of atmospheric vortical perturbation excited in the horizontal shear flow
Levan Lomidze, N. Gudadze and G. Didebulidze
11:15-11:30 Relationship between ion upflows and suprathermal ions observed with the EISCAT Svalbard Radar and Reimei satellite
Yasunobu Ogawa, K. Seki, M. Hirahara, K. Asamura, T. Sakanoi, Y. Ebihara et al.
11:30-11:45 Observations of an auroral streamer in a double oval configuration
Olaf Amm, R. Nakamura, T. Takada, K. Kauristie, H. U. Frey, C. Owen et al.
11:45-12:00 Effects of a geomagnetic pulsation on electron precipitation spectra
Andrew Kavanagh, F. Honary and A. Senior
19:00 -Conference Dinner

Thursday, 9th August

Session VI: Auroral Phenomena
Conveners: Takehiko Aso, Anita Aikio
08:15-08:45 Results from ASK observing campaign 2006/7 in Tromsø (invited)
Nickolay Ivchenko, B. Lanchester, H. Dahlgren, D. Whiter, G. Marklund, T. Sergienko et al.
08:45-09:00 Modelling and observations of the energy spectrum of precipitating electrons using joint EISCAT-ASK (Auroral Structure and Kinetics) measurements
Mina Ashrafi, B. Lanchester, D. Whiter, H. Dahlgren and N. Ivchenko
09:00-09:15 Conditionally integrated incoherent scatter radar data and flickering aurora
T. Grydeland, Björn Gustavsson, E. M. Blixt, L. Baddeley and J. Lunde
09:15-09:30 A new method to estimate ionospheric electric fields and currents using ground magnetic data from a local magnetometer network
Heikki Vanhamäki, O. Amm and K. Kauristie
09:30-09:45 Observation of ionospheric effects in the aurora zone using CHAMP and COSMIC/Formosat-3 data
Christoph Mayer and N. Jakowski
09:45-10:15Coffee break
10:15-10:45 Colour imaging of the aurora (invited)
Noora Partamies, M. Syrjäsuo and K. Kauristie
10:45-11:00 Electric fields associated with post-noon auroras
Alexander Kozlovsky, T. Turunen, A. Aikio, T. Pitkänen, K. Kauristie and S. Massetti
11:00-11:15 Coordinated optical and radar observations of enhanced electric fields within auroral arcs
Vladimir Safargaleev, T. Sergienko, A. Kozlovsky, I. Sandahl, S. Osipenko and U. Brändström
11:15-11:30 Coordinated EISCAT and ALIS observations of the active auroral arc system
Tima Sergienko, I. Sandahl, V. Safargaleev, B. Gustavsson and U. Brändström
11:30-11:45 The Trans-National Access Program
Lisa Baddeley
Session VII: Structures and Dynamics of the Polar Cap and Cusp
Conveners: Jøran Moen, Kirsti Kauristie
13:30-14:00 The case for a new process, not mechanism, for cusp irregularity production (invited)
Herbert Carlson, T. Pedersen, S. Basu and J. Moen
14:00-14:15 Cusp density enhancements by Fossil FTEs?
Ian McCrea, J. Davies, M. Hapgood and V. Howells
14:15-14:30 Electron density in the cusp ionosphere: When the ESR confirms TRANSCAR predictions
Frédéric Pitout and P.-L. Blelly
14:30-14:45 Combined CHAMP-EISCAT studies on local thermospheric mass density enhancements in the CUSP
Stefanie Rentz, H. Lühr and M. Rietveld
14:45-15:00 Cluster high altitude observations of oxygen ion outflow, the connection to the ionosphere
Hans Nilsson, M. Waara and H. Rème
15:00-15:15 Effects of the IMF By inferred from the FAC-based convection model and radar observations
Renata Lukianova, A. Kozlovsky, F. Christiansen and T. Turunen
15:15-15:45Coffee break
15:45-16:15 Dependence of the electromagnetic and precipitating particle energy inputs to the ionosphere upon the sunlit/shade condition of the ionosphere (invited)
Ryoichi Fujii, H. Handa, S. Nozawa and Y. Ogawa
16:15-16:30 Dynamics of the polar cap boundary in the evening sector during a substorm event
Timo Pitkänen, A. Aikio, A. Kozlovsky and O. Amm
16:30-16:45 On the diurnal variability in F2-region plasma density above EISCAT Svalbard Radar
J. Moen, X. C. Oiu, Herbert Carlson, R. Fujii and I. W. McCrea
16:45-17:00 Large scale structuring of polar cap plasma in the nightside ionosphere: The influence of the orientation of the interplanetary magnetic field
Alan Wood, E. Pryse, H. R. Middleton and V. Howells
17:00-17:15 Ground based observation of high latitude ULF wave signatures
Carlos Gane, D. Wright and T. Raita

Friday, 10th August

Session VIII: Ionospheric Plasma Physics and Scattering Mechanisms
Conveners: Anja Strømme, Francois Forme
08:15-08:45 Zakharov simulations of Langmuir turbulence: effects on waves observed by incoherent scattering (invited)
Patrick Guio
08:45-09:00 Naturally enhanced radar spectra and low energy auroral emission
J. Sullivan, Mike Lockwood, B. Lanchester, E. Kontar and D. Whiter
09:00-09:15 Naturally Enhanced Ion Acoustic Lines with the Poker Flat AMISR radar
Anja Strømme and J. Semeter
09:15-09:30 Study of the electron distribution function stability in the edges of auroral arcs
Geraldine Garcia and F. Forme
09:30-10:00Coffee break
10:00-10:15Group Photo
Session IX: Ionospheric Modification by Radio Waves
Conveners: Björn Gustavsson, Mike Kosch
10:15-10:45 Radio wave modification of plasma irregularities associated with mesospheric dust clouds (invited)
Wayne Scales and C. Chen
10:45-11:00 Aspect sensitivity of the first 100 ms HF-modification measured with the MUIR at HAARP
Shin-ichiro Oyama and B. J. Watkins
11:00-11:15 Observations of aspect sensitive SPEAR-induced enhancements in incoherent scatter spectra
Ranvir Dhillon, T. Robinson and T. Yeoman
11:15-11:30 Bistatic observations of ULF waves in SPEAR-induced HF coherent backscatter
Tim Yeoman, T. Robinson, D. Wright and L. Baddeley
11:30-11:45 ULF wave activity from HF pumping experiments at mid and high latitudes
Nataly Blagoveshchenskaya, T. Borisova, V. Kornienko, M. Rietveld, V. Frolov, M. Kosch et al.
11:45-12:00 Density of upper atmosphere neutral components and artificial magnetic pulsations in Pc1 range excitation
Alexey Mochalov and A. Pashin
13:30-14:00 Plans for and progress towards the new Arecibo HF facility (invited)
Michael Sulzer
14:00-14:15 Heating upgrade
Markku Postila, G. Wannberg, M. Rietveld, T. Iinatti and A. Westman
14:15-14:30 New diagnostic methods for the D-region ionosphere in a case of EISCAT heating experiments
Antti Kero, J. Vierinen, I. Virtanen, C.-F. Enell and E. Turunen
14:30-14:45 Aspect angle dependence of top- and bottom-side UHF radar backscatter from ionospheric HF pumping at Tromsø
Mina Ashrafi, M. Kosch, M. Starks, A. Senior, M. Rietveld and T. Yeoman
14:45-15:00 Altitude distribution of HF-pump enhanced emissions at 6300 and 5577 Å: A comparison between observations and theory
Björn Gustavsson, B. Bristow, C. Heinselman, J. Hughes, M. Kosch, C. Mutiso et al.
15:00-15:05Closing words

Last modified: 05 January 2017, 08:39:21.