ESA       
    30-Jul-2014
eotraining@esa.int
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Professor Erkki Kyrölä
Research Professor
Finnish Meteorological Institute, Earth Observation, Erik Palmenin aukio 1,  P.O. Box 503, 00101 Helsinki, Finland

Tel: 358-50-3397041
Fax: 358-9-19293146
Email: erkki.kyrola (at) fmi.fi
Website: www.fmi.fi
Background Ph.D. thesis:  Theoretical Study of Coherent Excitation of Quasicontinua, (University of Rochester, Rochester, New York, 1984)

Years 1975-1987: Research on interaction of laser light with atoms and molecules

Years 1987-now:  The following  research fields:
1) Interplanetary hydrogen, Lyman alpha observations from SWAN on SOHO, solar wind
2) Middle atmosphere observations from satellites: GOMOS on Envisat, OSIRIS on Odin, OMI on EOS-Aura
3) Inversion theory and retrieval algorithms for remote sensing instruments
4) Radiative transfer in the middle  atmosphere
5) New instrument proposals

Leader of the Dragon-Star project
Activities in education

Teaching assistant (1975-1987 University of Helsinki)

A few graduate courses on quantum mechanics, statistical physics and quantum optics (University of Helsinki)

Envisat Data Assimilation summer school, ESA/ESRIN, Frascati, Rome, (Italy) 18-29 August 2003

Distinctions / Membership Recent panel and evaluation activities: GOMOS Quality Working group, Odin Science Team

Member of the American Geophysical Union (AGU), the European Geophysical Union (EGU), the Finnish Physical Society

Reviewer for the Journal of Geophysical Research (JGR), Geophysical Research Letters (GRL), Astronomy and Astrophysics

Selected Publications In total, about 70 refereed publications.
Relevant publications:

Kyrölä, E., E. Sihvola, M. Tikka, Y. Kotivuori  T. Tuomi, and H. Haario, Inverse Theory for  Occultation Measurements 1. Spectral Inversion, J. Geophys. Res., 98, 7367-7381, 1993.

Oikarinen, L., E. Sihvola, and E. Kyrölä, Multiple scattering radiance in limb-viewing geometry,  J. Geophys. Res., 104, 31261-31274, 2000.

Tamminen, J. and E. Kyrölä, Bayesian solution for nonlinear and non-gaussian inverse problem by MCMC method, J. Geophys. Res., 106,  D13, 14377-14390, 2001.

Auvinen, H., L. Oikarinen and E. Kyrölä, Inversion algorithms for limb measurements, J. Geophys. Res., 107, D13, 2001JD000407, ACH 7-1: 7-7, 2002.

Sofieva, V. F. , and E. Kyrölä, Information approach to optimal selection of spectral channels, J. Geophys. Res.,108 (D16 ), 4513, doi: 10.1029/2002JD002980, 2003.

Kyrölä, E., J. Tamminen, G.W. Leppelmeier, V. Sofieva, S. Hassinen, J.L. Bertaux, A. Hauchecorne, F. Dalaudier, C. Cot, O. Korablev, O. Fanton d'Andon, G. Barrot, A. Mangin, B. Théodore, M. Guirlet, F. Etanchaud. P. Snoeij, R. Koopman, L. Saavedra, R. Fraisse, D. Fussen, F. Vanhellemont, GOMOS on Envisat: An overview, Advances in Space Research, Volume 33, Issue 7, p. 1020-1028 (2004).

Seppälä, A., Verronen, P.T., Kyrölä, E., Hassinen, S., Backman, L., Hauchecorne, A., Bertaux, J.L., and Fussen, D.   Solar Proton Events of October-November 2003: Ozone depletion in the Northern hemisphere polar winter as seen by GOMOS/Envisat, Geophysical Research Letters, 31, L19107 (2004).

Kyrölä, E., J. Tamminen, G. W. Leppelmeier, V. Sofieva, S. Hassinen, A. Seppälä, P. T. Verronen.  J. L.  Bertaux, A. Hauchecorne, F. Dalaudier, D. Fussen, F. Vanhellemont, O. Fanton d'Andon, G. Barrot, A. Mangin, B. Theodore, M. Guirlet, R. Koopman, L. Saavedra,  P. Snoeij, T. Fehr, Nighttime ozone profiles in the stratosphere and mesosphere by GOMOS on Envisat. Accepted JGR, 2006.