University of Crete Island of Crete
Untitled Document

12th International Symposium
on Equatorial Aeronomy (ISEA-12)

Program Sessions : Sunday 18-Saturday 24, May 2008

Session S1 & S2

Tutorials I and II    (In memoriam Tor Hagfors)

Session S3
Monday Morning

Equatorial Lower- and Middle- Atmosphere Studies

Session S4
Monday Afternoon

Equatorial and mid-latitude MLT dynamics

Poster P1
Monday - Tuesday

Posters for Sessions S3 and S4

Session S5
Tuesday Morning

E-region plasma physics

Session S6
Tuesday Afternoon

F-region plasma irregularities: causes and effects

Poster P2
Monday - Tuesday

Posters for Sessions S5 and S6



Session S7
Thursday Morning

Ionospheric electrodynamics: Theory and numerical modeling

Session S8
Thursday Afternoon

Coupling processes at low- and mid-latitudes

Poster P3
Thursday – Friday

Posters for Sessions S7 and S8

Session S9
Friday Morning

New techniques, experiments, campaigns, and results

Session S10
Friday Afternoon

Ionospheric storms and space weather effects

Poster P4
Thursday – Friday

Posters for Sessions S9 and S10

Session S11
Saturday Morning

Where are we going? Outstanding questions, future trends and challenges



Saturday May 17, 2008

18:30 – 20:30



Sunday May 18, 2008

07:30 – 08:30


08:30 – 09:30

Opening talks

Session S1

Tutorials I     (In Memoriam   Tor Hagfors)


C. Haldoupis and E. Kudeki


Vytenis Vasyliunas

09:30 – 09:50

W. Kofman (Invited)
Tor Hagfors scientist and friend: his contribution to plasma physics and radar techniques

09:50 – 10:15

Coffee Break

10:15 – 11:00

D. T. Farley (Invited)
The equatorial E region and its plasma instabilities: A tutorial

11:00 – 11:45

R. F. Woodman (Invited)
Spread F- An old equatorial aeronomy problem finally resolved?

11:45 – 12:30

R. A. Vincent (Invited)
Atmospheric waves and dynamics: A tutorial


End of Session

12:30 – 15:00

Lunch Break


Session S2

Tutorials II   


C. Haldoupis and E. Kudeki


Shoihiro Fukao

15:00 – 15:45

M. C. Kelley (Invited)
Mid-Latitude electrodynamics and plasma physics: A tutorial

15:45 – 16:30

R. A. Heelis (Invited)
Internal and external influences on ionospheric electrodynamics at low and middle latitudes

16:30 – 17:15

U. S. Inan (Invited)
Lower and middle atmospheric electrodynamics: A tutorial


End Of Session

18:00 – 20:00

Welcome Party


End of Day (Sunday May 18)



Monday May 19, 2008

Session S3

Equatorial Lower- and Middle- Atmosphere Studies


G. Swenson, T. Nakamura, and J. Röttger


Gary Swenson

08:00 – 08:20

K. Sato, Y. Kawatani, S. Watanabe, Y. Tomikawa, S. Miyahara, and M. Takahashi (Invited)
Dynamics of the QBO and SAO revealed by a gravity-wave resolving GCM simulation

08:20 – 08:40

P. Hoeg
Tropical GPS atmosphere turbulence

08:40 – 09:00

S. Kato
MST radar observation ― capacity and limit ―

09:00 – 09:20

M. Yamamoto, G. Hassenpflug, S. Saito, H. Luce, and S. Fukao (Invited)
MU radar 1D, 2D, and 3D imaging of atmosphere and ionosphere

09:20 – 09:40

R. Lieberman
Variability of mesospheric diurnal tides and tropospheric diurnal heating during 1997—1998

09:40 – 10:00

J. Meriwether (Invited)
New results in mesospheric aeronomy studies: a review

10:00 – 10:30

Coffee Break


Dave Fritts

10:30 – 10:45

A. F. Medeiros, M. J. Taylor, J. Fechine, H. Takahashi, R. A. Buriti, and L. M. Lima
Twin mesospheric bores

10:45 – 11:00

M. F. Larsen
Magnetized Rossby waves as a possible driver for the lower E region neutral wind maximum

11:00 – 11:15

D. Simonich and B. Clemesha
First results from the São José dos Campos temperature LIDAR

11:15 – 11:30

K. Cahoy
Zonal structure in the equatorial ionosphere: both sides of the GPS radio occultation story

11:30 – 11:45

K. Häusler and H. Lühr
Wave-4 structure in the thermospheric zonal wind at dip equator latitudes as observed by CHAMP

11:45 – 12:00  

G. Lehmacher, E. Kudeki, A. Akgiray, and J. Chau
Radar cross-sections for mesospheric echoes at Jicamarca: measurements and estimates from turbulence theory

12:00 – 12:15

G. D. Earle, A. M. Musumba, and S. L. Vadas
In-situ evidence of nighttime midlatitude plasma density perturbations produced by gravity waves

12:15 – 12:30

D. E. Rowland, R. F. Pfaff, and C. T. Steigies
Combined impedance probe and Langmuir probe studies of the low-latitude E Region


End of Session

12:30 – 14:00

Lunch Break


Session S4

Equatorial and mid-latitude MLT dynamics


D. Pancheva, A. Smith, and J. Oberheide


Dora Pancheva

14:00 – 14:20

H.-L. Liu, J. Dudhia, and B. Kuo (Invited)
Gravity wave distribution at low and mid-latitudes from the Nested Regional Climate Model

14:20 – 14:32

B. R. Clemesha and P. P. Batista
Seasonal variations in gravity wave activity at three at three locations in Brazil

14:32 – 14:44  

L.J. Gelinas , J.H. Hecht, R. Walterscheid, and R.G. Roble
Seasonal and interannual variability of gravity waves at Adelaide and Alice Springs

14:44 – 14:56

S. Vadas, J. Yue, C. She, H. Liu, D. Thorsen, T. Nakamura, and S. Reising
Modeling the ring structures in the OH airglow layer from gravity waves excited by convection near Fort Collins, Colorado

14:56 – 15:08

M. J. Taylor, D. Simkhada, J. B. Snively, and S. J. Franke
Propagation and ducting of small-scale gravity waves in the mesospheric OH and O2 airglow emissions at low-latitudes

15:08 – 15:28

R. M. Kaufmann, M. Ern, C. Lehmann, L. Hoffmann, M. Riese, C. V. Savigny, M. Lopez-Puertas, A. K. Smith, and D. R. Marsh (Invited)
Long term variations and solar variability of atomic oxygen and hydrogen in the mesopause region

15:28 – 15:40

U. Das and H. S. S. Sinha
Long term variations in oxygen green line emission over Kiso from ground based observations using continuous wavelet transform

15:40 – 15:52

L. Hurd, M. F. Larsen, and A. Z. Liu
Overturning instability in the mesosphere and lower thermosphere: analysis of instability conditions in lidar data from New Mexico and Hawaii

15:52 – 16:04

J. Oberheide and J. M. Forbes
Tidal propagation of deep tropical cloud signatures into the thermosphere from TIMED observations

16:04 – 16:30

Coffee Break


Jens Oberheide

16:30 – 10:50

W.E. Ward, J. Du, D.Y Wang, and the CAWSES Tidal Campaign Team (Invited)
Tidal characteristics from the Extended Canadian Middle Atmosphere Model and comparisons with CAWSES tidal campaign results

16:50 – 17:02

N. Grieger, U. Achatz, H. Schmidt, and W. Singer
Thermal tides as important coupling process in the atmosphere

17:02 – 17:14

R. Lieberman, J. Oberheide, D. Riggin, and R.Stockwell
Estimates of momentum deposition on the diurnal tide

17:14 – 17:26

D. Pancheva, P. Mukhtarov, and B. Andonov
Planetary waves and tides observed by TIMED/SABER in coupling the stratosphere-mesosphere-lower thermosphere during the major stratospheric warming in 2003/2004

17:26 – 17:38

W. Singer, P. P. Batista, J. Oberheide, T. Nakamura, P. Hoffmann, B. R. Clemesha, R. A. Buriti, D. Riggin, and G. Ramkumar
Mesospheric/lower thermospheric winds, tides and mesopause temperatures at low latitudes from meteor radar and satellite observations

17:38 – 17:50  

L. Guo and G. Lehmacher
Equatorial middle atmosphere wind observations with the Jicamarca meteor radar

17:50 – 18:02

C. Haldoupis
On the seasonal dependence of midlatitude Sporadic E layers

18:02 – 18:14  

T. Maruyama, S. Saito, M. Kawamura, and K. Nozaki
Thermospheric meridional winds as deduced from ionosonde network and midnight temperature maximum

18:14 – 18:26

J. Clemmons
The equatorial thermospheric anomaly: update on analysis of measurements from the ionization gauge on the Streak mission

18:30 End of Session


Poster P1

Posters for Sessions S3 and S4


G. Swenson and D. Pancheva

Author Attendance :

All day Monday and Tuesday, May 19-20
Coffee breaks, 13:00 – 14:00 and 19:00 to 20:00

Poster Chair

Gerald Lehmacher and Dennis Riggin

S3- P1- 01

J. O. Adeniyi, S. M. Radicella, I. A. Adimula, O. A. Oladipo, O. Olawepo, and A. A. Willoughby
Analysis of March 29 2006 eclipse on the E and F1 region at Ilorin

S3- P1- 02

H. C. Aveiro, C. M. Denardini, and M. A. Abdu
Planetary waves in the equatorial electrojet obtained by wavelet analysis of magnetometer data

S3- P1- 03

M.A. Ayoola, G. I. Olatona, E. O. Oladiran, and J. A. Adedokum
The march 29, 2006 solar eclipse as observed at Ibadan, Nigeria

S3- P1- 04

R. A. Buriti, W. K. Hocking, P. P. Batista, A. F. Medeiros, and B. R. Clemesha
Observations of zonal and meridional winds and diurnal and semidiurnal tides at 7.4°S by a meteor radar

S3- P1- 05

M. Devi, A. K. Barbara, Yu. Ruzhin, A. Depueva, and V. Depuev
Role of equatorial anomaly in assertion of low latitude earthquake-perturbations on ionosphere

S3- P1- 06

G. K. Kumar, M. V. Ratnam, A. K. Patra, S. V. B. Rao, K. K. Kumar, S. Gurubaran, G. Ramkumar, and D. N. Rao
Climatology of low-latitude mesospheric dynamics using Gadanki VHF radar, rocket, and HRDI

S3- P1- 07

C. M. Wrasse, J. Fechine, H. Takahashi, A. F. Medeiros, J. V. Bageston, and C. M. Denardini
Gravity waves sources in the Brazilian equatorial region during SpreadFEX Campaign

S3- P1- 08

C. M. Wrasse, H. Takahashi, J. Fechine, A. F. Medeiros, J. Wickert, and C. M. Denardini
Gravity waves activities in the stratosphere and mesosphere over the Brazilian equatorial region

S4- P1- 09

L. M. Lima, H. Takahashi, B. R. Clemesha, P. P. Batista, and C. M. Wrasse
A comparative study of the quasi-2-day wave observed at 7.4°S and 22.7°S, Brazil, during summertime


End of Poster Session


20:00 – 21:00

ISEA Special Lecture of General Interest

J. H. Seiradakis
The Antikythira Mechanism



End of day (Monday May 19)



Tuesday May 20, 2008

Session S5

E-region plasma physics


J.-P. St-Maurice, A. K. Patra, and C. De Nardini


Jean-Pierre St. Maurice

08:00 – 08:15

D. L. Hysell, G. Michhue, M. F. Larsen, R. Pfaff, and J. L. Chau (Invited)
Lessons learned observing Farley Buneman waves at low, middle, and high latitudes

08:15 – 08:27

L. M. Kagan and R.S. Kissack
Inelastic electron energy exchange and altitude behaviour of a phase velocity spectrum of Farley-Buneman waves for equatorial electrojet

08:27 – 08:39

J.-P. St-Maurice
The speed of type I and other fast moving echoes in the ionospheric E region

08:39 – 08:51

D. Kovalev, A. Smirnov, and Y. Dimant
Hybrid-model simulations of Farley-Buneman instability with electron thermal effects

08:51 – 09:03

M. M. Oppenheim, Y. S. Dimant, and L. P. Dyrud
Large-scale simulations of Farley-Buneman turbulence in 2D and 3D

09:03 – 09:18

R. K. Choudhary and J.-P. St.-Maurice (Invited)
What two-step Type I waves reveal about equatorial E region turbulence

09:18 – 09:30

R. R. Ilma, M. C. Kelley, and J. L. Chau
Intense stormtime equatorial electric fields and evidence for anomalous resistivity in the electrojet

09:30 – 09:42

P. Muralikrishna and V. H. Kulkarni
The effect of dust particles on the growth time and amplitude of type I and type II irregularities in the E-region

09:42 – 09:54

F. Lu, D. T. Farley, and W. E. Swartz
Aspect angle measurements of irregularities in the equatorial E region above Jicamarca

09:54 – 10:06

C. M. Denardini, M. A. Abdu, H. C. Aveiro, P. D. S. C. Almeida,L. C. A. Resende, Ê. P. A. Olívio, J. H. A. Sobral, and C. M. Wrasse
Counter electrojet features in the Brazilian sector: simultaneous observation on radar, digital sounder and magnetometers data

10:06 – 10:30

Coffee Break


A. K. Patra

10:30 – 10:45

R. T. Tsunoda (Invited)
Irregularities in the low- and mid-latitude E region: A historical perspective

10:45 – 10:57

A. Bourdillon, P. Dorey, and S. Saillant
Quasi-periodic variation of the sporadic E layer reflection

10:57 – 11:09

N. V. Rao, A. K. Patra, and S. V. B. Rao
Some intriguing features of QP echoes revealed by Gadanki radar observations and a mechanism that explains them

11:09 – 11:21

A. K. Patra, N. V. Rao, T. Yokoyama, Y. Otsuka, and M Yamamoto
Intriguing details of 150-km radar echoes revealed by off-equatorial observations made from Gadanki and Kototabang

11:21 – 11:33

R. T. Tsunoda and W. L. Ecklund
150 km echoes: Recent results from the Pacific sector

11:33 – 11:48

L. Dyrud, M. Oppenheim, E. Kudeki, S. Close, and D. Janches (Invited)
The formation, evolution and radar reflection from meteor trail plasma irregularities

11:48 – 12:00

A. Malhotra, J. D. Mathews, and J. Urbina
Multi-Static Common Volume Radar Observations of Meteor Echoes at Jicamarca

12:00 – 12:12

E. Bass, M. Oppenheim, G. Sugar, and J. Chau
Meteor Observations as a Method of Determining Atmospheric Properties

12:12 – 12:24

S. P. Gupta
Plasma waves induced by meteors in equatorial E region - rocket borne results of Leonid meteor shower of Nov. 1999


End of Session

12:30 – 14:00

Lunch Break


Session S6

F-region plasma irregularities: causes and effects


A. Bhattacharyya, R. Woodman, and M. A. Abdu


Archana Bhattacharyya

14:00 – 14:15

E. Kudeki (Invited)
Initiation of equatorial Spread F

14:15 – 14:27

M. A. Abdu
Equatorial spread F irregularity development conditions as diagnosed from conjugate point observations by digisondes and all-sky imagers in Brazil

14:27 – 14:39

R. Tsunoda
On the role of large-scale wave structure in the initiation of equatorial plasma bubbles

14:39 – 14:51

C. Stolle, H. Lühr, B. Fejer, and J. Jensen
Relation between ESF occurrence rate and prereversal plasma drift velocity

14:51 – 15:06

B. G. Fejer (Invited)
Longitude dependent electrodynamic effects on equatorial F-Region plasma irregularities

15:06 – 15:18

Y. Otsuka, T. Ogawa, and Effendy
VHF radar observations of nighttime F-region field-aligned irregularities over Kototabang, Indonesia

15:18 – 15:30

J. Krall, J. D. Huba, and G. Joyce
Three-dimensional simulation of equatorial Spread-F with meridional winds

15:30 – 15:42

R. Pfaff, C. Liebrecht, J.-J. Berthelier, M. Parrot, and J.-P. Lebreton
DEMETER observations of highly structured plasma density and associated ELF electric field and magnetic field irregularities at Middle and low latitudes

15:42 – 15:54

L. Sidorova
Topside plasma bubbles, seen as He+ density depletions, and thermosphere meridional wind influence

15:54 – 16:25

Coffee Break


Mangalathayil Ali Abdu

16:25 – 16:40

S. Fukao and M. Yamamoto (Invited)
New aspects of mid-latitude plasma plumes revealed by radio and optical observations

16:40 – 16:52

S. Sripathi, S. Bose, A. K. Patra, T. K. Pant, B. Kakad, and A. Bhattacharyya
Observations of ESF irregularities using simultaneous radar and GPS over Indian region

16:52 – 17:04

H. Takahashi, A. F. Medeiros, C. M. Wrasse, M. J. Taylor, P.-D. Pautet, D. Gobbi, J. Fechine, M. A. Abdu, I. S. Batista, E. Paula, J. H. A. Sobral, D. Arruda, and D. Fritts
Optical observation of ionospheric plasma bubbles and mesospheric gravity

17:04 – 17:16

T. Ogawa, Y. Miyoshi, Y. Otsuka, and T. Nakamura
Relationship between GPS ionospheric scintillation occurrence over Indonesia and equatorial atmospheric waves

17:16 – 17:28

T. Kikuchi, K. K. Hashimoto, Y. Tsuji, S. Watari, and B. Fejer
Stormtime convection and overshielding electric fields at the equator as observed with magnetometers and incoherent scatter radar

17:28 – 17:40

E. S. Miller, J. J. Makela, R. L. Bishop, and P. R. Straus
Multi-year study of the altitude distribution of scintillation-causing irregularities and gradients.

17:40 – 17:52

A. Bhattacharyya and B. Kakad
Evolution of intermediate scale length equatorial spread F irregularities

17:52 – 18:04

J. A. Whalen
The linear dependence of L-band scintillation on electron density observed in the anomaly

18:04 – 18:16

E. A. Kherani, E. R. de Paula, M. T. A. H. Muella, A. A. N. Campos, L. F. C. de Rezende, and P. F. Smorigo
The large TEC fluctuations near the equatorial ionization anomaly during the equatorial spread F: observation from the GPS network over Brazil and simulation

18:16 – 18:28

P. C. Anderson and P. R. Straus
GPS occultation observations of equatorial scintillation: dependence on magnetic field orientation, longitude, and season


End of Session


Poster P2

Posters for Sessions S5 and S6


J.-P. St-Maurice and A. Bhattacharyya

Author Attendance :

All day Monday and Tuesday, May 19-20
Coffee breaks, 13:00 – 14:00 and 19:00 to 20:00

Poster Chair

Alain Bourdillon and Glenn Hussey

S5- P2- 01

V. Belyey, C. La Hoz, J. Chau, and H. Pinedo
First 3-dimensional radar interferometry observations of equatorial E region irregularities at Jicamarca

S5- P2- 02

J. L. Chau, R. F. Woodman, and M. A. Milla
Perpendicular and off-perpendicular to B observations of 150-km echoes: evidence of meridional modulation and structure

S5- P2- 03

E. A. Kherani, E. R. de Paula, and F. C. de Meneses Jr.
The possible role of inter-hemispheric-field-aligned current for the generation of 150-km echoes

S5- P2- 04

L. M. Kagan, R. S. Kissack, M. C. Kelley, and R. A. Cuevas
Unexpected rapid decrease in phase velocity of sub-meter Farley-Buneman waves with altitude

S5- P2- 05

C. M. Denardini, M. A. Abdu, H. C. Aveiro, P. D. S. C. Almeida, L. C. A. Resende, Ê. P. A. Olívio, J. H. A. Sobral, and C. M. Wrasse
Counter electrojet features in the Brazilian sector: simultaneous observation on radar, digital sounder and magnetometers data

S5- P2- 06

R. Pfaff
Comparative in situ measurements of plasma instabilities in the equatorial and auroral electrojets

S5- P2- 07

G.C. Hussey, C. Meek, C. Haldoupis, A. Bourdillon, and J. Delloue
Neutral winds in the mid-latitude E-region as deduced from coherent backscatter radar plasma irregularity observations

S5- P2- 08

M. F. Larsen, D. L. Hysell, S. M. Smith, J. Friedman, Q. H. Zhou, and R. L. Bishop
Evidence of neutral wind drivers for quasi-periodic echo structures in sporadic E layers based on observations from St. Croix and Puerto Rico

S5- P2- 09

N. V. Rao, A. K. Patra, and S. V. B. Rao
Low altitude Quasi-Periodic (LQP) echoes studied using long term Gadanki radar observations

S5- P2- 10

S. P. Gupta
Differences in the nature of E-region irregularities at the magnetic equator and at 6oN of magnetic equator

S5- P2- 11

S. Shalimov and T. Ogawa
On possible mechanisms of altitude-extended field-aligned irregularities (FAI), associated with quasi-periodic (QP) radar echoes

S5- P2- 12

L. N. Lomidze and G. G. Didebulidze
Formation and behaviour of sporadic E layers under the influence of vortical-type perturbation excited in the horizontal shear flow

S5- P2- 13

C. Arras, J. Wickert , C. Jacobi, S. Heise, G. Beyerle, T. Schmidt, and M. Rothacher
Sporadic E layer climatology derived from CHAMP, GRACE and COSMIC radio occultations – initial results from GFZ Potsdam

S5- P2- 14

D. Kouba, P. Šauli, J. Boška, and O. Santolík
E-region ionospheric drift measurements during sporadic E-layer occurrence using Digisonde DPS-4

S5- P2- 15

D. V. Phanikumar, A. K. Patra, K. Kishorekumar, and G. Yellaiah
Seasonal variations of low-latitude sporadic-E and field aligned irregularities and their relation to sporadic meteor flux

S5- P2- 16

A. Malhotra, J. D. Mathews, and J. Urbina
Sporadic-E observations at Jicamarca?!

S5- P2- 17

Y. S. Dimant, and M. M. Oppenheim
Meteor plasma trails in E region: diffusion, electric fields, and ionospheric disturbances

S5- P2- 18

G. Sugar, M. Oppenheim, E. Bass, Y. Dimant, and J. Chau
Meteor trails in the ionosphere: day/night and altitude differences

S6- P2- 19

F. C. de Meneses, P. Muralikrishna, and E. A. Kherani
The simultaneous rocket observation of electron density and temperature inside the equatorial spread-F bubble and their numerical simulation

S6- P2- 20

L. Biktash
The solar wind and geomagnetic storm effects on generation of the equatorial scintillation

S6- P2- 21

C. M. N. Candido, A. A. Pimenta, C. M. Wrasse, Y. Sahai, and F. Becker-Guedes
Observation of MSTIDs in the Brazilian sector possibly associated with troposhperic disturbances at mid-latitudes

S6- P2- 22

S. L. England, T. J. Immel, S. H. Park, H. U. Frey, and S. B. Mende
A study of the mean properties of equatorial ionospheric plasma depletion drift velocities determined from far-ultraviolet spacecraft observations

S6- P2- 23

J. D. Huba and G. Joyce
Three-dimensional equatorial Spread F modeling

S6- P2- 24

M. Ishii, T. Maruyama, and I. Kimura
Characteristics of anomaly of HF radio wave arrival direction observed near the evening terminator

S6- P2- 25

A. T. Karpachev
Peculiar properties of the topside ionograms at the equatorial latitudes

S6- P2- 26

L. Liu, M. He, W. Wan, and M.-L. Zhang
An analysis of the lower topside ionospheric scale heights based on the electron density profile retrieved from FORMOSAT/COSMIC radio occultation measurements

S6- P2- 27

C. Martinis, J. Baumgardner and M. Mendillo
The Simultaneous occurrence of airglow structures associated with ESF and MSTIDs in the Southern Hemisphere

S6- P2- 28

T. Maruyama, S. Saito, M. Kawamura and K. Nozaki
Onsets of equatorial plasma bubble and ionosphere-thermosphere system

S6- P2- 29

M. Mascarenhas, E. A. Kherani, J. H. A. Sobral and E.R. de Paula
Dynamical simulation of electromagnetic Spread F

S6- P2- 30

M. Mendillo, J. Niehof, K. Garcia, C. Prested, S. McGregor, N. Viall, L. Moore, P. Withers, C. Martinis and A. Stephan
Can equatorial Spread-F (ESF) occur on other planets?

S6- P2- 31

H. Nakata, Y. Kinoshita, Y. Otsuka, T. Takano, S. Shimakura, K. Shiokawa and T. Ogawa
Reception of TV broadcast radio waves associated with equatorial plasma bubbles

S6- P2- 32

M. Nishioka, A. Saito and T. Tsugawa
Occurrence characteristics of plasma bubble studied with global ground-based GPS receiver networks

S6- P2- 33

J. Park, C. Stolle, H. Luhr and M. Rother
Magnetic signatures of plasma blobs as observed by the CHAMP satellite

S6- P2- 34

A. A. Pimenta, C. M. N. Candido, D. C. M. Amorim, Y. Sahai, J. A. Bittencourt, P. R. Fagundes, and D. Gobbi
Relevant aspects of thermospheric dark band structures observed by ground-based optical and radio techniques over the Brazilian low-latitude sector under different solar activity conditions

S6- P2- 35

H. Pinedo, J. L. Chau, and D. L. Hysell
Using JULIA long dataset to find preconditioning evidence of ESF in bottom-type layers

S6- P2- 36

L. Sidorova
Plasma bubbles in the topside ionosphere: high solar activity period

S6- P2- 37

S. Sripathi, S. Bose, and A. Bhattacharyya
Morphological study of equatorial plasma bubbles using GPS L-band scintillations over Indian region

S6- P2- 38

D. Tiwari, B. Kakad, S. Sripathi, T.K. Pant, and A. Bhattacharyya
Magnetic activity effects on ESF irregularities: case studies

S6- P2- 39

S. Vadas and H. Liu
Neutral and Plasma variability in the F region from the dissipation of gravity waves from convection

S6- P2- 40

J.A. Whalen
Temporal and spatial regularities in the post-sunset equatorial anomaly, and their significance to scintillation


End of Poster Session


End of day (Tuesday May 20)



Wednesday May 21, 2008


Full Day excursion




Group A


Start from the Hotel

09:30 –11:30

Visit Minoan Palace at Malia, and Kremasta Monasteri near Neapolis


Meet with group B at Elounda


Group B (morning tour is longer an more tiring)


Start from the Hotel

09:30 – 11:00

Visit Lasithi Plateau and Dikteon Andron


Meet with group A at Elounda


Group A and B

12:00 – 14:00

Boat trip to Spinaloga Island  

14:00 – 16:00

Lunch at tavernas by the sea at the village of Plaka

16:00 – 17:00

Return by boat to Hagios Nikolaos and spend there an hour


Arrive back to the Hotel


End of day (Wednesday May 21)



Thursday May 22, 2008

Session S7

Ionospheric electrodynamics: Theory and numerical modeling


C. Fesen, J. Huba, and T. Fuller-Rowell


Cassandra Fesen

08:00 – 08:15

V. Vasyliūnas and P. Song
Do electric fields drive ionospheric plasma flows?

08:15 – 08:30

J. D. Huba (Invited)
Electrodynamics of the thermosphere-ionosphere-magnetosphere system

08:30 – 08:45

M. Mendillo, H. Rishbeth, R. Roble, J. Wroten, and B. Foster (Invited)
Approaches to the study of non-electrodynamical sources of ionospheric variability at equatorial and low latitudes

08:45 – 09:00

C. H. Lin, A. D. Richmond, G. J. Bailey, and J. Y. Liu (Invited)
Redistribution of the low-latitude ionospheric plasma structure during a major magnetic storm

09:00 – 09:15

N. Maruyama, T. Fuller-Rowell, M. Codrescu, D. Anderson, A. Richmond, A. Maute, S. Sazykin, F. Toffoletto, R. Spiro, R. Wolf, and G. Millward (Invited)
Low latitude storm time electric fields and their role in the coupled thermosphere-ionosphere-plasmasphere system

09:15 – 09:30

M.V. Klimenko, V.V. Klimenko, and V.V. Bryukhanov
Ionosphere electrodynamics and its influence on the equatorial anomalies

09:30 – 09:45

J. Uemoto, T. Ono, T. Maruyama, S. Saito, M. Iizima, and A. Kumamoto
Observations and model calculations of stratification of the F2 layer in the equatorial ionosphere

09:45 – 10:00

N. Balan, H. Alleyne, S. V. Thampi, K. Lynn, Y. Otsuka, B. G. Fejer, and M. A. Abdu
F3 layer during penetration electric field

10:00 – 10:30

Coffee Break


Joe Huba

10:30 – 10:45

X. Pi, V. Akopian, A. Komjathy, B. D. Wilson, A. J. Mannucci, B. A. Ijima, and M. A. Dumett
Modeling low-latitude ionosphere using GAIM assimilating GPS data

10:45 – 11:00

M. C. Kelley, J. Retterer, O. de La Beaujardière, and H. Kil
Assimilation of ROCSAT equatorial electric field data into the AFRL C/NOFS model

11:00 – 11:15

P. Alken and S. Maus
Estimating electric fields in the equatorial ionosphere from CHAMP observations

11:15 –11:30

D. Anderson, E. Araujo-Pradere, A. Anghel, K. Yumoto, A. Bhattacharyya, M. Hagan, A. Maute and L. Scherliess
Quantifying the daytime, equatorial ExB drift velocities   associated with the 4-cell, non-migrating tidal structure

11:30 – 11:45

W. Wan, J. Xiong, L. Liu, M.-L. Zhang, F. Ding, and B. Ning
Diurnal, seasonal and solar cycle variations of the longitudinal wavenumber-4 patterns at low latitude ionosphere

11:45 – 12:00

T. W. Fang, A. D. Richmond, H. Kil, G. Millward, and J. Y. Liu
Model simulation of longitudinal density structure in the equatorial ionosphere

12:00 – 12:15

H. Kil, S.–J. Oh, and L. J. Paxton
The effect of the daytime ExB drift, interhemispheric winds, and pre-reversal enhancement on the formation of longitudinal density structure

12:15 – 12:30

T. Bösinger, E.  N. Ermakova, and C. Haldoupis
Search for magnetic inclination effects at low latitude in the spectral resonance structures of the ionospheric Alfvén resonator


End of Session

12:30 – 14:00

Lunch Break


Session S8

Coupling processes at low- and mid-latitudes


M. Larsen, K. Shiokawa, and R. Cosgrove


Miguel Larsen

14:00 – 14:15

H. Lühr and P. Ritter  (Invited)
Response of the low-latitude ionosphere-thermosphere system to high-latitude activity

14:15 – 14:27

R. Hedden, L. Waldrop, and J. Meriwether
Variations of thermospheric [O] composition during a magnetic storm event

14:27 – 14:39

J. Meriwether, M. Faivre, C. Fesen, and O. Veliz
New results on equatorial thermospheric dynamics and the midnight temperature maximum

14:39 – 14:51

C. G. Fesen, R. G. Roble, and H. Liu
Simulations of the midnight temperature maximum with the NCAR TIME-GCM

14:51 – 15:03

T. K. Ramkumar
Equatorial mesospheric planetary wave signatures in the equatorial electrojet

15:03 – 15:18

S. Vadas (Invited)
Penetration of gravity waves into the F region from the lower atmosphere at low and mid latitudes

15:18 – 15:30

D. C. Fritts, and SpreadFEx colleagues
Indications of gravity wave scales, amplitudes, and influences in the thermosphere and ionosphere from the Spread F Experiment (SpreadFEx)

15:30 – 15:42

R. L. Bishop and P. Straus
Equatorial and mid-latitude scintillation initiated from tropical storms, hurricanes, and typhoons

15:42 – 15:54

C. Arras, J. Wickert, C. Jacobi, S. Heise, G. Beyerle, T. Schmidt, and M. Rothacher
Semidiurnal tidal signature in sporadic E occurrence rates derived from GPS radio occultation measurements at mid-latitudes

15:54 – 16:24

Coffee Break


Kazuo Shiokawa

16:24 – 16:36

R. Cosgrove
Neutral wind, sporadic E layer, and F layer coupling in the nighttime mid-latitude ionosphere

16:36 – 16:48

J. Younger, I.M. Reid, and R.A. Vincent
Observations of meteor trail diffusion using VHF radar

16:48 – 17:00

J. D. Mathews, D. Livneh, I. Seker, F. T. Djuth
Quasi-Periodic F-region MSTIDs at Arecibo: a magnetospheric link?

17:00 – 17:12

J. Urbina, E. Kudeki, S. Franke, and R. Pfaff
Analysis of meter-scale E-region plasma density irregularities from North Carolina and Puerto Rico

17:12 – 17:24

R. Pfaff, C. Liebrecht, J. Urbina, and E. Kudeki
Daytime observations of mid-latitude Sporadic-E and QP radar echoes

17:24 – 17:36

G. Swenson and A. Liu
Large amplitude waves at mid and low-latitude mesosphere; a summary of observations

17:36 – 17:48

C. Martinis, M. Mendillo, and J. Baumgardner
Unusual 630.0 nm airglow variations at midlatitudes

17:48 – 18:04

T. Adachi, Y. Takahashi, R. R. Hsu, H. T. Su, A. B. Chen, S. B. Mende, and H. U. Frey (Invited)
Transient luminous events as lightning effects in the lower ionosphere: Recent progresses by ISUAL measurements on FORMOSAT-2 satellite

18:04 – 18:16

O. Chanrion, T. Neubert, and H. Stenbaek-Nielsen
Particle simulations of optical emissions in sprite streamers

18:16 – 18:28

J. Lastovicka, D. Buresova, J. Chum, and T. Sindelarova
Investigations of effects of infrasound on the ionosphere


End of Session


Poster P3

Posters for Sessions S7 and S8


C. Fesen and M. Larsen

Author Attendance :

All day Thursday and Friday, May 22-23
Coffee breaks, 13:00 – 14:00 and 19:00 to 20:00

Poster Chair

Russel Cosgrove and T. Yokoyama

S7- P3- 01

M. V. Klimenko, V. V. Klimenko, V. V. Bryukhanov
The behavior of the TEC and equatorial electrojet during April 8, 2005 solar eclipse

S7- P3- 02

M. V. Klimenko, V. V. Klimenko, V. V. Bryukhanov
Effects of substorms with different moments of the beginning in equatorial electrojet and parameters of F-region of Equatorial Ionosphere

S7- P3- 03

A. A. Namgaladze, M. V. Klimenko, V. V. Klimenko, I. E. Zakharenkova
Forming of the ionospheric precursors of the earthquakes by zonal electric field

S7- P3- 04

A. B. Rabiu
Comparative study of some parameters of equatorial electrojet in West African and Indian sectors

S8- P3- 05

H. Lühr, M. Rother, K. Häusler, P. Alken and S. Maus
The effect of non-migrating tides on the equatorial electrojet

S8- P3- 06

T. Yokoyama, Y. Otsuka, M. Yamamoto, and D. L. Hysell
Study on the Perkins instability by E-F coupled three-dimensional simulation model

S8- P3- 07

W. E. Swartz, M. C. Kelley, and N. Aponte
E and F region coupling between an intense sporadic E layer, an MSTID, and a neutral atom layer

S8- P3- 08

A. K. Patra, N. V. Rao, N. Dashora, T. K. Pant, and K. Niranjan
Perspectives of electrostatic coupling on various manifestations of low-latitude E and F region irregularities related to equatorial plasma bubble studied in the Indian sector

S8- P3- 09

P. A. Bernhardt, J. Werne, and M. F. Larsen
Simulations of strong wind shears in the mesosphere and their effects on structure of the E-Layer

S8- P3- 10

T. Ogawa, N. Nishitani, Y. Otsuka, K. Shiokawa, T. Tsugawa, and A. Saito
E- and F-region coupling revealed by nighttime MSTID and sporadic E layer observations with the mid-latitude SuperDARN Hokkaido radar

S8- P3- 11

S. Shalimov, T. Ogawa, and Y. Otsuka
On the instability of sporadic E layer formation under vortical neutral wind motion at mid-latitude

S8- P3- 12

T. Sindelarova, D. Buresova, and J. Chum
Observations of acoustic-gravity waves in the ionosphere generated by severe tropospheric weather

S8- P3- 13

N. Christakis, C. Haldoupis, Q. Zhou, and C. Meek
Variability and descent of mid-latitude sporadic E layers at Arecibo

S8- P3- 14

S. Watanabe, H. Liu, and M-Y. Yamamoto
Ionosphere-thermosphere coupling in low latitude region

S8- P3- 15

E. R. Talaat , J.-H. Yee, L. J. Paxton, J. Russell III, M. G. Mlynczak, R. DeMajistre, and A. Christensen
Inter-annual and long-term variations observed in the ITM system

S8- P3- 16

S. Sripathi, S. Bose, D. Tiwari, and A. Bhattacharyya
On the linking of large-scale wave like modulations in the TEC to the EEJ strength over India: Is it due to planetary scale waves?

S8- P3- 17

J. Xiong, W. Wan
The 7-day planetary wave oscillations in the ionosphere and MLT revealed by TEC, UKMO and AURA

S8- P3- 18

E. Pacheco and R. Heelis
Variability of vertical drifts during storm-times at equatorial latitudes

S8- P3- 19

L. Bankov, M. Parrot, R. Heelis, J-J. Berthelier, and A. Vassileva
Longitudinal signatures of tidal influence on topside ionosphere at low latitudes by means of DEMETER and DMSP-f15 data

S8- P3- 20

E. Astafyeva, K. Heki, E. Afraimovich, V. Kiryushkin, and S. Shalimov
Evolution of ionospheric disturbances generated by large earthquakes

S8- P3- 21

N. Ambrosiadi, C. Haldoupis, and A. Mika
More observations for testing the relationsphip between Sprites
and subionospheric Early VLF signal perturbations

S8- P3- 22

E. A. Kherani, P. Lognonne, H. Herbert, and G. Occhipinti
The Sumatra tsunami induced ionospheric signatures from the CHAMP satellite: a manifestation of atmosphere-ionosphere coupling via acoustic-gravity waves

S8- P3- 23

M. Devi , A. K. Barbara , Yu. Ruzhin , A. Depueva , V. Depuev
Role of equatorial anomaly in assertion of low latitude earthquake-perturbations on ionosphere


End of Poster Session

20:00 – 23:30

Gala Dinner – Aldemar Knossos Hotel


End of day (Thursday May 22)



Friday May 23, 2008

Session S9

New techniques, experiments, campaigns, and results

Conveners D. Hysell, J. Clemmons, and M. Mila

Dave Hysell

08:00 – 08:15

G. D. Earle, J. H. Klenzing, P. A. Roddy, and E. L. Patrick (Invited)
The new C/NOFS neutral wind instruments: laboratory and flight validation results

08:15 – 08:30

C. Coker, K. F. Dymond, S. A. Budzien and D. Chua
COSMIC observations of the equatorial ionosphere

08:30 – 08:45

J. Comberiate and L. J. Paxton
Coordinated UV imaging of equatorial plasma bubbles using TIMED/GUVI and DMSP/SSUSI

08:45 – 09:00

T. Harris and M. Cervera
Investigation of small and medium-scale variations in the ionosphere

09:10 – 09:15

T. J. Immel, S.L. England, J. M. Forbes, J. D. Huba, M. E. Hagan, and R. DeMajistre (Invited)
Space-based studies of low-latitude ionospheric forcing originating in the lower atmosphere

09:15 – 09:30

J. H. Klenzing, G. D. Earle, R. A. Heelis, and W. R. Coley
Effects of non-ideal biased grids on geophysical parameters obtained from RPA data

09:30 – 09:45

A. Saito and IMAP working group
Plan of imaging observation of the mesosphere, ionosphere, and plasmasphere by ISS-IMAP mission

09:45 – 10:00

C. E. Valladares, J. L. Chau, J. V. Eccles, and R. F. Woodman
The Low-latitude Ionospheric Sensor Network (LISN)

10:00 – 10:30

Coffee Break


Jim Clemmons

10:30 – 10:45

M. Milla and E. Kudeki
Modeling the incoherent scatter radar spectrum perpendicular to

10:45 – 11:00

D. L. Hysell, F. S. Rodrigues, J. L. Chau, and J. D. Huba
Full profile incoherent scatter analysis at Jicamarca

11:00 – 11:15

P. Reyes, M. Milla, and E. Kudeki
Incoherent scatter measurements of F-region temperatures with the Jicamarca radar beam pointing perpendicular to B

11:15 – 11:30

T. Yokoyama, M. Yamamoto, Y. Otsuka, A. K. Patra, S.-Y. Su, S. Fukao, and D. L. Hysell (Invited)
Recent progress in studying equatorial and low-latitude irregularities with Equatorial Atmosphere Radar

11:30 – 11:45

C. L. Siefring and P. A. Bernhardt
First results on studies of the low latitude ionosphere with the CITRIS beacon receiver on STPSAT1

11:45 – 12:00  

J. J. Makela, J. W. Meriwether, E. S. Miller, and S. J. Armstrong (Invited)
New optical experiments for studying equatorial irregularities

12:00 – 12:15

G. Swenson, C. Carlson, L. Waldrop, and P. Dragic
A thermospheric lidar for He 1083 nm, density and Doppler measurements

12:15 – 12:30

M.-Y. Yamamoto, Y. Yokoyama, H. Habu, T. Abe, S. Watanabe, M. Yamamoto, Y. Otsuka, A. Saito, T. Ono, and M. Nakamura
WIND rocket campaign: Lithium release experiment in evening midlatitude thermosphere

12:30 – 13:50

Lunch Break


Session S10

Ionospheric storms and space weather effects


R. Pfaff, L. Paxton, and D. Pallamraju


Rob Pfaff

13:50 – 14:00 S. Gadimova
The United Nations and International Committee on Global Navigation Satellite Systems: World-wide ground-based instrument arrays
14:00 – 14:15 J. C. Foster (Invited)
 Ionospheric storm fronts at low and mid latitudes

14:15 – 14:30

E. Astafyeva
Ionosphere TEC response to geomagnetic storms: seasonal and longitudinal features

14:30 – 14:45

L. Biktash, T. Maruyama and K. Nozaki
The solar wind control of the equatorial ionosphere dynamics during geomagnetic storms

14:45 – 15:00

Y.O. Migoya Orué,  S. M. Radicella and P. Coïsson
Low latitude ionospheric effects of major geomagnetic storms observed using TOPEX TEC data

15:00 – 15:15

Y. Goi, A. Saito, M. Nishioka, T. Tsugawa
Vertical distribution of electron density derived from TEC data of the GRACE satellite and the ground-based GPS receivers at mid- and low-latitudes

15:15 – 15:30

W. J. Burke (Invited)
Some Consequences of Stormtime, Global Energy Budgets

15:30 – 15:45

A. M. Hasbi, M. Alauddin Mohd Ali, N. Misran
Ionospheric and magnetic field effects observed during the 2005 geomagnetic storms in the South-East Asian sector

15:45 – 16:00

D. Buresova, J. Lastovicka, L-A. McKinnell, T. Sindelarova, and D. Novotna
A comparative analysis of mid-latitude storm-time ionospheric peak parameters variability

16:00 – 16:30

Coffee Break


Larry Paxton

16:30 – 16:45

M. C. Kelley and J. Retterer
New insights into prompt penetrating electric fields

16:45 – 17:00

C. Manoj, S. Maus, and H. Lühr
On the relationship between interplanetary electric fields (IEF) and equatorial-electroject (EEJ).

17:00 – 17:15

A.H. Depueva, A.V. Mikhailov, and V.H. Depuev
Morphology of quiet-time F2-layer disturbances at geomagnetic equator

17:15 – 17:30

T. Tsugawa, K. Shiokawa, H. Hayashi, N. Nishitani, Y. Otsuka, T. Ogawa, J. Lei, and A. Saito (Invited)
Large-scale traveling ionospheric disturbances observed by GPS receiver networks

17:30 – 17:45

C. Borries, N. Jakowski, and V. Wilken
Large scale TIDs observed in GPS derived differential TEC

17:45 – 18:00  

A.T. Karpachev
IGW and electric field effects in the topside equatorial ionosphere

18:00 – 18:15

I. Tsagouri, K. Koutroumbas and A. Belehaki
A new ionospheric forecast model assimilating solar wind data and ground based ionosonde observations

18:15 – 18:30  

L. Scherliess, D.C. Thompson, and R.W. Schunk
Specification of ionospheric dynamics at low- and mid- latitudes using a physics-based data assimilation model


End of Session


Poster P4

Posters for Sessions S9 and S10


D. Hysell and R. Pfaff


Author Attendance :
Full day Thursday and Friday, May 22-23

During coffee breaks, 13:00-14:00, and from 19:30 to 20:30
Poster Chair Marco Milla and Pablo Reyes

S9- P4- 01

M. Yamamoto
New development of digital beacon receiver based on GNU Radio

S9- P4- 02

R. Pfaff, J. Kujawski, P. Uribe, K. Bromund, R. Fourre, M. Acuña, G. Le, W. Farrell, R. Holzworth, M. McCarthy, and D. Rowland
The vector electric field instrument on the C/NOFS satellite

S9- P4- 03

J. Clemmons
Paired ionosphere-thermosphere orbiters (PITO):  A general-purpose science mission with high capability

S9- P4- 04

P. A. Bernhardt
The precision expandable radar calibration sphere (PERCS) for improvement of the HF radar accuracy

S9- P4- 05

P. Muralikrishna
A new nitric oxide detector with absorption cells driven by a fast cam system

S9- P4- 06

D. Kouba, J. Lastovicka, J. Boska, D. Buresova, P. Sauli, and Z. Mosna
GEO-6 project and Czech participation in

S9- P4- 07

C. H. Lin, H. F. Tsai, C. H. Chen, J. Y. Liu, and C. H. Liu
Longitudinal variation of the low-latitude ionosphere observed by FORMOSAT-3/COSMIC

S9- P4- 08

A. J. Gerrard and J. W. Meriwether
Continual 24-hour observations of thermospheric winds and temperatures made with the Second-generation Optimized Fabry-Perot Doppler Imager (SOFDI)

S9- P4- 09

F. R. Galindo, K. M. Kuyeng, J. L. Chau, and D. L. Hysell
Evaluation of topside equatorial spread F spectra estimators using Monte Carlo simulations

S9- P4- 10

A. Saito and D. Yoshida
Dagik: Data-showcase system to browse multi aeronomy data in four-dimension

S9- P4- 11

S. Hawlitschka
Observing the spatial characteristics of TIDs with broadband HF direction finding

S9- P4- 12

H. Haralambous, G. Dekoulis, and P. Vryonides
Installation of an ionospheric station in Cyprus

S9- P4- 13

H. Haralambous, A. Mahrous, P Vryonides, and A. Shemis
Monitoring of ionospheric weather over Cyprus and Egypt

S9- P4- 14

S. M. Radicella, L. Ciraolo, M. Mosert, O. Abarca, B. Zolesi, M. Pezzopane, R. Ezquer, and M. Cabrera
An unusual night time ionospheric phenomenon observed at Tucumán, Argentina, under quiet geomagnetic conditions

S9- P4- 15

O. A. Oladipo , S. M. Radicella, and J. O. Adeniyi
Comparisons between the  observed electron density profile at the equatorial station of Ilorin, Nigeria, and the IRI model

S9- P4- 16

E. Silvestre, J. Valverde, P. Condor, O. Veliz, and C.Vallladares
Total electron content over South America using LISN GPS data: 2007 climatology and special events

S9- P4- 17

A. B. Rabiu, K. Groves, R. S. Fayose, and O. R. Bello
Ground observation of ionospheric scintillation and TEC within EEJ borders

S9- P4- 18

P. Høeg, X. Yin, L. Olsen, and A. Carlström
Low elevation measurements of GPS ocean reflections

S9- P4- 19

M. Le Huy, R. Fleury, P. L. Duchesne, A. Bourdillon, C. Amory-Mazaudier 4, T. N. Chien, and L. Tran Thi
Some results of the GPS Tec observations in the southeast Asian region

S9- P4- 20

O. K. Obrou, M. N. Mene, A. T. Kobea, K. Z. Zaka, B. Ouattara, and K. Groves
Study of the Total Electron Content (TEC) at an equatorial station

S9- P4- 21

J. Valverde, E. Silvestre, and C. Valladares
Inside LISN, an engineering perspective to its avant-garde conception

S9- P4- 22

Rabiu, A. B. , Yumoto, K., Adimula, I. A., Adeniyi, J. O., and MAGDAS/CPMN Project group
Some contributions of MAGDAS to the understanding of equatorial geomagnetic field behavior

S10- P4- 23

R. Pfaff, C. Liebrecht, J.-J. Berthelier, M. Parrot, and J.-P. Lebreton
Irregularities at sub-auroral, middle, and low latitudes in the topside ionosphere observed during geomagnetic storms with the DEMETER and DMSP satellites

S10- P4- 24

H. Kil and L. J. Paxton
Equatorial ionospheric disturbances during the October 29-31, 2003 storms

S10- P4- 25

A.V. Mikhailov, V.H. Depuev, and T.Yu. Leschinskaya
Formation mechanism of quiet-time F2-layer disturbances at geomagnetic equator

S10- P4- 26

N. Balan, H. Alleyne, Y. Otsuka, and B. G. Fejer
Relative effects of electric field and neutral wind on positive ionospheric storms

S10- P4- 27

J. Boska, D. Buresova, D. Kouba, and P.Šauli.
E and F region midlatitude ionospheric drifts observed during geomagnetic storms.

S10- P4- 28

K. Schlegel, H. Luehr, M. Rother, and K. Yumoto
Night-time Sudden Commencements observed with CHAMP and Ground-based Magnetometers

S10- P4- 29

M.M.J.L. van de Kamp, P. S. Cannon
Study of ionopsheric scintillation using GPS signals measured at Ascension Island

S10- P4- 30

S. Sripathi, S. Bose, D. Tiwari, S. Banola, B. Kakad, A. Bhattacharyya, and T. K.Pant
Response of equatorial and low latitude ionosphere in Indian region during some severe geomagnetic storms: A study


End of Poster Session


End of day (Friday May 23)



Saturday May 24, 2008

Session S11

Where are we going? Outstanding questions, future trends and challenges


M. C. Kelley and E. Kudeki


Michael Kelley and Erhan Kudeki

08:00 – 08:20

D. C. Fritts (Invited)
Atmospheric wave dynamics and their effects on the equatorial ionosphere: What do we know, what are the unknowns, and which are the important topics?

08:20 – 08:40

J. D. Mathews (Invited)
Meteor science and layering phenomena in the lower thermosphere. Is there anything that we lack in basic knowledge and how should we go about getting it?

08:40 – 09:00

J. L. Chau et al. (Invited)
What else can we learn with coherent scatter radars about E and F region irregularities that we don’t know? What else can we learn about ESF and midlatitude SF?

09:00 – 09:20

 J.-P. St-Maurice (Invited)
What are the objectives/needs for new theoretical work on E and F region plasma instabilities and electrodynamics?

09:20 – 09:40

K. Shiokawa (Invited)
Optical investigation of the ionospheric and atmospheric dynamics. How can we learn something more that is significant?

09:40 – 10:00

M. F. Larsen (Invited)
Accuracy issues of the existing thermospheric wind models. Can we rely on them in seeking solutions to wind driven problems?

10:20 – 10:30

Closing remarks


End of Session

10:30 – 11:00

Coffee Break


End of ISEA-12


Jicamarca Radio Observatory

Arecibo Observatory

MU Radar

Equatorial Atmosphere Radar

Gadanki Radar

Imaging Radars


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