List of Publications

Tseagye Kassa. Baylie Damtie, (2017), Ionospheric irregularity over Bahir Dar, Ethiopia during selected geomagnetic storms, Adv. Space Res., March 2017, DOI:10.1016/j.asr.2017.03.036.

Tesema, F., R. Mesquita, J. Meriwether, B. Damtie,M. Nigussie, J. Makela, D. Fisher, B. Harding, E. Yizengaw, S. Sanders, (2017) New results on equatorial thermospheric winds and temperatures from Ethiopia, Africa, Ann. Geophy., 35, 333-344.

Kriegel, M., Jakowski, N., Berdermann, J., Sato, H., and Mersha, M. W.: Scintillation measurements at Bahir Dar during the high solar activity phase of solar cycle 24, Ann. Geophys., 35, 97-106, doi:10.5194/angeo-35-97-2017, 2017.

Tebabal, Ambelu; Damtie, Baylie; Nigussie, Melessew (2016), Temporal solar irradiance variability analysis using neural networks, Proceedings of the International Astronomical Union, DOI: 10.1017/S1743921316000296.

M. Nigussie, B. Damtie, E. Yizengaw, S. M. Radicella, (2016), Modeling the East African ionosphere ,Ionospheric Space Weather, Longitudinal and Hemispheric Dependences and Lower Atmosphere Forcing Monograph, John Wiley & Sons. Inc. .

Bires, A., L. Roininen, B. Damtie, M. Nigussie, h. Vanhamäki, (2016), Study of TEC Fluctuation via Stochastic Models and Bayesian Inversion, Radio Sci.,51, 11, 1772-1782.

Nigussie, M., S. Radicella, B. Damtie, E. Yizengaw, B. Nava, L. Roininen, (2016), Validation of NeQuick TEC data ingestion technique against C/NOFS and EISCAT electron density measurements, Radio Sci., 51, 7, 905–917 DOI: 10.1002/2015RS005930

Beshire, E., M. Nigussie (2016), Investigating the effect of geomagnetic storm and equatorial electrojet on equatorial ionospheric irregularity over East African sector, Adv. Space Res. (2016), http://dx.doi.org/10.1016/j.asr.2016.06.037.

Tesema, F., B. Damtie, M. Nigussie, (2015), The response of the ionosphere to intense geomagnetic storms in 2012 using GPS-TEC data from East Africa longitudinal sector, J. Atmos. Sol-Terr. Phys.135, 143–151, http://dx.doi.org/10.1016/j.jastp.2015.10.021.

Beshir E. & Kassa T. Characterization of Ionospheric Scintillation in a Geomagnetic Equatorial RegionStation. Adv. Space Res., July 2015, Article inpress, http://dx.doi:10.1016/j.asr.2015.07.035.

Kassa T., Damtie B., Bires A., Yizengaw E. & Cilliers P. Storm-time characteristics of the equatorial ionization anomaly in the East African sector. Adv. Space Res., April 2015, http://dx.doi:10.1016/j.asr.2015.04.002.

Tebabal, A., B. Damtie, M. Nigussie, A. Biress, E. Yizengaw, (2015), Modeling total solar irradiance from PMOD composite using feed-forward neural networks, J. Atmos. Sol-Terr. Phys., 135, 64-71, DOI: 10.1016/j.jastp.2015.10.007

Mengistu E. & Kassa T. Temporal characteristics of Equatorial Electrojet and Counter Electrojet over Ethiopian sector. Adv. Space Res., October 2014, http://dx.doi.org/10.1016/j.asr.2014.10.031

Kassa T., Damtie B., Bires A., Yizengaw E. & Cilliers P. Spatio-temporal characteristics of the Equatorial Ionization Anomaly (EIA) in the East African region via ionospheric tomography during the year 2012. Adv. Space Res., 55, 184-198, 16- Sep-2014, http://dx.doi.org/10.1016/j.asr.2014.09.001.

Nikolai Hlubek, Jens Berdermann, Volker Wilken, Stefan Gewies, Norbert Jakowski, Mogese Wassaie, and Baylie Damtie, Scintillations of the GPS, GLONASS, and Galileo signals at equatorial latitude, J. Space Weather Space Clim. 4 (2014) A22, DOI: 10.1051/swsc/2014020.

Chartier A., Kinrade J., Mitchell C., Rose J., Jackson D., Cilliers P., Habarulema J., Katamzi Z., Mckinnell L.,Matamba T., Opperman B., Ssessanga N., Mezgebe N., Tyalimpi V., Franceschi G., Notarpietro R., Romano V.,Scotto C., Dovis F., Avenant E., Wonnacott R., Oyeyemi E., Mahrous A., Mengistu G., Lekamisy H. , Olwendo J.,Sibanda P., Kassa T. & Rabiu B. Ionospheric Imaging in Africa. Radio Sci., 49, doi: 10.1002/2013 RS005238,USA, January 2014.

Asmare, Y., T. Kassa, M. Nigussie, (2014), Validation of IRI-2012 TEC model over Ethiopia during solar minimum (2009) and solar maximum (2013) phases, Adv. Space Res., 53, 11, 1582-1594, http://dx.doi.org/10.1016/j.asr.2014.02.017.

Nigussie, M., S. Radicella, B. Damtie, B. Nava, E. Yizengaw, K. Groves, (2013) Validation of the NeQuick 2 and IRI-2007 models in East-African equatorial region, J. Atmos. Sol-Terr. Phys., 102, 26–33, http://dx.doi.org/10.1016/j.jastp.2013.04.016.

Nigussie, M., S. Radicella, B. Damtie, B. Nava, E. Yizengaw, L. Ciraolo, (2012) TEC ingestion into NeQuick 2 to model the East African equatorial ionosphere, Radio Sci., 47,5, DOI:10.1029/2012RS004981.

Lehtinen, M.S., Damtie, B., (2012), Radar baud length optimisation of spatially incoherent time-independent targets, Journal of Atmospheric and Solar-Terrestrial Physics, 2012, DOI: 10.1016/j.jastp.2012.10.010.

Ayene, M., Kriek, J., and Damtie, B., Wave-particle duality and uncertainty princi- ple: Phenomenographic categories of description of tertiary physics students depictions, Physical Review Special Topics-Physics Education Research, Physical Review Special Topics - Physics Education Research, 2011. 

Yizengaw, E., M. B. Moldwin, A. Mebrahtu, B. Damtie, E. Zesta, C. E. Valladares, and P. H. Doherty, Comparison of storm time equatorial ionospheric electrodynamics in the African and American sectors, J. Atmos. Solar-Terr. Phys., 73(1), 156-163, 2011. 

Yizengaw, E., M. B. Moldwin, E. Zesta, B. Damtie, A. Mebrahtu, F. Anad, R. F. Pfaff, and M. Hartinger, Observations of ULF wave related equatorial electrojet fluctuations, J. Geophys. Res., 2010.

Damtie, B. and Lehtinen, M. S.: Comparison of the performance of different radar pulse compression techniques in an incoherent scatter radar measurement, Ann. Geophys., 27, 797-806, doi:10.5194/angeo-27-797-2009, 2009.

Damtie, B., Lehtinen, MS., Orispa ̈a ̈, M., and Vierinen, J., Mismatched Filtering of Aperiodic Quadriphase Codes, IEEE Transactions on Information Theory, Vol.54 (4), 1742- 1749, 2008. 

Damtie, B., Lehtinen, MS., Orispa ̈a ̈, M., and Vierinen, J., Optimal long binary phase code-mismatched filter pairs with applications to ionospheric radars, Bull. Astr. Soc. India, 35, 619623, 2007