Ejigu, Y. G., HUNEGNAW, A., ABRAHA, K. E., & TEFERLE, F. N. (January 2019). Impact of GPS Antenna Phase Center Models on Zenith Wet Delay and Tropospheric Gradients. GPS Solutions, 23 (5). doi:10.1007/s10291-018-0796-9 Peer Reviewed verified by ORBi |
ABRAHA, K. E., TEFERLE, F. N., HUNEGNAW, A., & Dach, R. (23 June 2018). Effect of unmodelled tidal displacements in GPS and GLONASS coordinate time series. Geophysical Journal International, 214 (3), 2195-2206. doi:10.1093/gji/ggy254 Peer Reviewed verified by ORBi |
ABRAHA, K. E. (2018). MULTI-GNSS ERROR CHARACTERISTICS AND BENEFITS TO LONG-TERM MONITORING APPLICATIONS IN GEOSCIENCES [Doctoral thesis, Unilu - University of Luxembourg]. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/37191 |
BACKES, D., TEFERLE, F. N., ABRAHA, K. E., & BRUYÈRE, C. (10 April 2018). Towards multiscale data fusion of high-resolution space borne and terrestrial datasets over Tristan da Cunha [Poster presentation]. European Geoscience Union General Assembly 2018, Vienna, Austria. |
TEFERLE, F. N., HUNEGNAW, A., ABRAHA, K. E., Woodworth, P., Williams, S., Hibbert, A., Smalley, R., Dalziel, I., & Lawver, L. (09 April 2018). Vertical Land Movements and Sea Level Changes around South Georgia Island [Poster presentation]. European Geosciences Union General Assembly 2018, Vienna, Austria. |
Klos, A., HUNEGNAW, A., TEFERLE, F. N., ABRAHA, K. E., AHMED, F., & Bogusz, J. (2018). Statistical significance of trends in Zenith Wet Delay from re-processed GPS solutions. GPS Solutions. doi:10.1007/s10291-018-0717-y Peer Reviewed verified by ORBi |
TEFERLE, F. N., HUNEGNAW, A., ABRAHA, K. E., Woodworth, P., Williams, S., Hibbert, A., Smalley, R., Dalziel, I., & Lawver, L. (11 December 2017). First Vertical Land Movement Estimates on South Georgia Island: An Impact Study on Sea Level Change from Tide Gauge and Altimetry Measurements [Poster presentation]. American Geophysical Union Fall Meeting 2017, New Orleans, 10-15 December 2017, United States. |
HUNEGNAW, A., TEFERLE, F. N., ABRAHA, K. E., Bingley, R., Hansen, D., Deng, Z., Schöne, T., Santamaria-Gomez, A., Gravelle, M., Wöppelmann, G., Sanchez, L., Moore, M., & Jia, M. (13 July 2017). A Global Vertical Land Movement Data Set from a Combination of Global Navigation Satellite System Solutions [Poster presentation]. International WCRP/IOC Conference 2017 Regional Sea Level Changes and Coastal Impacts, New York, United States. |
HUNEGNAW, A., TEFERLE, F. N., ABRAHA, K. E., Santamaria-Gomez, A., Gravelle, M., Wöppelmann, G., Schöne, T., Deng, Z., Bingley, R., Hansen, D., Sanchez, L., & Moore, M. (03 July 2017). On the Scientific Applications of IGS Products: An Assessment of the Reprocessed TIGA Solutions and Combined Products [Paper presentation]. IGS Workshop 2017, Pathways to Improved Precision, Paris, France. |
HUNEGNAW, A., TEFERLE, F. N., & ABRAHA, K. E. (23 April 2017). A New Global Vertical Land Movement Data Set from the TIGA Combined [Poster presentation]. European Geosciences Union General Assembly, Vienna, Austria. |
Klos, A., HUNEGNAW, A., TEFERLE, F. N., ABRAHA, K. E., Ahmed, F., & Bogusz, J. (22 February 2017). Noise characteristics in Zenith Total Delay from homogeneously reprocessed GPS time series [Paper presentation]. COST Action ES1206 GNSS4SWEC Final Workshop, Noordwijk, Netherlands. |
HUNEGNAW, A., TEFERLE, F. N., ABRAHA, K. E., Bingley, R., & Hansen, D. (12 December 2016). Error analysis of Tide Gauge Benchmark Monitoring (TIGA) Analysis Center stacked solutions [Poster presentation]. AGU Fall Meeting 2016, San Francisco, CA, USA, 12-16 December, San Francisco, United States. |
ABRAHA, K. E., TEFERLE, F. N., HUNEGNAW, A., & Dach, R. (12 December 2016). On the Impact of Multi-GNSS Solutions on Satellite Products and Positioning [Poster presentation]. American Geophysical Union (AGU) Fall Meeting 2016, San Francisco, United States. |
ABRAHA, K. E., TEFERLE, F. N., HUNEGNAW, A., & Dach, R. (2016). GNSS related periodic signals in coordinate time-series from Precise Point Positioning. Geophysical Journal International. doi:10.1093/gji/ggw467 Peer Reviewed verified by ORBi |
HUNEGNAW, A., Klos, A., Hansen, D., TEFERLE, F. N., ABRAHA, K. E., Bingley, R., & Bogusz, J. (30 July 2016). A New Vertical Land Movements Data Set from a Reprocessing of GNSS at Tide Gauge Stations [Paper presentation]. IAG/CPGPS International Conference on GNSS+ (ICG+ 2016) Advances, Opportunities and Challenges, Shanghai, China. |
TEFERLE, F. N., Ding, W., ABRAHA, K. E., HUNEGNAW, A., Laurichesse, D., Dach, R., Kazmierski, K., & Yunbin, Y. (30 July 2016). Multi-GNSS Benefits to Real-Time and Long-Term Monitoring Applications [Paper presentation]. IAG/CPGPS International Conference on GNSS+ (ICG+ 2016) Advances, Opportunities and Challenges, Shanghai, China. |
Klos, A., TEFERLE, F. N., HUNEGNAW, A., Ahmed, F., ABRAHA, K. E., & Bogusz, J. (29 July 2016). On the Properties of Zenith Total Delay Time Series from Reprocessed GPS Solutions [Poster presentation]. IAG/CPGPS International Conference on GNSS+ (ICG+ 2016) - Advances, Opportunities and Challenges, Shanghai, China. |
ABRAHA, K. E., TEFERLE, F. N., HUNEGNAW, A., & Dach, R. (2016). Impact of Limited Satellite Visibility on Estimates of Vertical Land Movements. International Association of Geodesy Symposia, 1-8. doi:10.1007/1345_2016_231 Peer Reviewed verified by ORBi |
TEFERLE, F. N., Combrinck, L., Botha, R., HUNEGNAW, A., ABRAHA, K. E., & DING, W. (11 February 2016). A First Evaluation of the new GNSS Station Installations at the Tide Gauges of Walvis Bay and Lüderitz in the Republic of Namibia [Poster presentation]. IGS Workshop 2016, Sydney, Australia. |
ABRAHA, K. E., Lewi, E., Masson, F., Boy, J.-P., & Doubre, C. (2015). Spatial–temporal variations of water vapor content over Ethiopia: a study using GPS observations and the ECMWF model. GPS Solutions. doi:10.1007/s10291-015-0508-7 Peer Reviewed verified by ORBi |
ABRAHA, K. E., TEFERLE, F. N., HUNEGNAW, A., & Dach, R. (27 October 2015). Signal Obstructions at GNSS Stations: Benefits From Multi-GNSS Observations [Poster presentation]. 5th International Colloquium on Scientific and Fundamental Aspects of the Galileo Programme, Braunschweig, Germany. |
DING, W., AHMED, F., TEFERLE, F. N., Laurichesse, D., & ABRAHA, K. E. (October 2015). An evaluation of multi-GNSS zenith tropospheric delay products based on real-time satellite products [Poster presentation]. 5th Galileo Science Colloquium. |
ABRAHA, K. E., TEFERLE, F. N., HUNEGNAW, A., & Dach, R. (27 June 2015). Impact of Limited Multi-GNSS Visibility on Vertical Land Movement Estimates [Poster presentation]. 26th General Assembly of the International Union of Geodesy and Geophysics (IUGG), Prague, Czechia. |