Tim Kodikara

Tim Kodikara

Space Physicist | Data Assimilation | Open Science Advocate

Talks and Presentations

Invited Talks

  1. Kodikara, T. (2023). Data assimilation in the ionosphere-thermosphere system, Geospatial World Distinguished Scientists Forum, China University of Mining and Technology, 12 April, Virtual.
  2. Kodikara, T. (2022). Data assimilation in the ionosphere-thermosphere system, 16th International Symposium on Equatorial Aeronomy, Kyoto University, 12 September, Virtual.
  3. Kodikara, T. (2022). Data assimilation in the thermosphere-ionosphere-electrodynamics general circulation model (TIE-GCM). IAGA GeoDAWG Virtual Seminar Series, 25 January, Virtual.
  4. Kodikara, T. (2019). Thermospheric density in models and observations, GFZ German Research Centre for Geosciences, 4 March, Potsdam, Germany.
  5. Kodikara, T. (2016). Seasonal variation of thermospheric mass density, Finnish Meteorological Institute, 11 November, Helsinki, Finland.

Conference and Workshop Presentations

  1. Kodikara, T. (2024) Improving thermosphere-ionosphere data assimilation through physics-based dynamic mode decomposition. 7th Asia-Oceania Space Weather Alliance Workshop, 9 October, Bangkok, Thailand.
  2. Kodikara, T., Doornbos, E., Fang, T.-W., & Yuan, L. (2024) Thermosphere-ionosphere observing system simulation experiments with physics-based dynamic mode decomposition. International Magnetosphere Coupling IV Workshop, 4 June, Potsdam, Germany.
  3. Kodikara, T., Doornbos, E., Fang, T.-W., & Yuan, L. (2024) Thermosphere-ionosphere observing system simulation experiments. Swarm 10 Year Anniversary & Science Conference, 8 April, Copenhagen, Denmark.
  4. Kodikara, T., Doornbos, E., Fang, T.-W., & Yuan, L. (2023) Thermosphere-ionosphere observing system simulation experiments with multi-satellite constellations. European Space Weather Week, 23 November, Toulouse, France.
  5. Kodikara, T., Borries, C., Forootan, E., Doornbos, E., & Siemes, C. (2022). Swarm in-situ neutral horizontal winds based on Swarm plasma and neutral density measurements. American Geophysical Union Fall Meeting, 12 December, Chicago, USA.
  6. Kodikara, T., Siemes, C., Borries, C., Bruinsma, S., Fernandez-Gomez, I., Hładczuk, N., van den IJssel, J., Vielberg, K., & Visser, P. (2022). Neutral mass density data compared with physics-based model estimates. COSPAR International Space Weather Action Teams Working Meeting, 27 September, Coimbra, Portugal.
  7. Kodikara, T., Fernandez-Gomez, I., Forootan, E., Tobiska, W. K., & Borries, C. (2022). Using data assimilation to understand the systematic errors of CHAMP accelerometer-derived neutral mass density data. D4G: 1st Workshop on Data Science for GNSS Remote Sensing, 13 June, Potsdam, Germany.
  8. Kodikara, T., Fernandez-Gomez, I., Forootan, E., Tobiska, W. K., & Borries, C. (2022). Using data assimilation to understand the systematic errors of CHAMP accelerometer-derived neutral mass density data. SPP Dynamic Earth Final Colloquium, 31 May, Kühlungsborn, Germany.
  9. Kodikara, T., Siemes, C., Borries, C., Bruinsma, S., Fernandez-Gomez, I., Hładczuk, N., van den IJssel, J., Vielberg, K., & Visser, P. (2022). Preliminary Validation of Thermosphere Observations from the TOLEOS Project. ESA Living Planet Symposium, 25 May, Bonn, Germany.
  10. Kodikara, T., Fernandez-Gomez, I., Forootan, E., Tobiska, W. K., & Borries, C. (2021). Using data assimilation to understand the systematic errors of CHAMP accelerometer-derived neutral mass density data. American Geophysical Union Fall Meeting, 17 December, Virtual.
  11. Kodikara, T., Zhang, K., Pedatella, N. M., & Borries, C. (2021). The impact of solar activity on forecasting the upper atmosphere via assimilation of electron density data. CEDAR Workshop, 24 June, Virtual.
  12. Kodikara, T., Zhang, K., Pedatella, N. M., & Borries, C. (2021). The impact of solar activity on forecasting the upper atmosphere via assimilation of electron density data. European Geosciences Union General Assembly, 26 April, Virtual.
  13. Kodikara, T. (2020). Forecasting of the upper atmosphere via assimilation of electron density data, European Geosciences Union General Assembly, 4 May, Virtual.
  14. Kodikara, T., Carter, B., Norman, R., & Zhang, K. (2018). Accelerometer-derived thermosphere density from Swarm-C and advancements in physics-based modelling, 21st International Workshop on Laser Ranging, 9 November, Canberra, Australia.
  15. Kodikara, T., Carter, B., Norman, R., & Zhang, K. (2018). Numerical investigation of the density-temperature synchrony in the thermosphere, 18th Australian Space Research Conference, 25 September, Gold Coast, Australia.
  16. Kodikara, T., Carter, B., Norman, R., & Zhang, K. (2017). Effects of Space Environment on Low Earth Orbit Satellite Drag, CEDAR Workshop, 21 June, Keystone, CO, USA.
  17. Kodikara, T. (2016). Season-controlled assimilated thermospheric mass density profiles for solar minimum and solar maximum conditions, Global Modelling of the Space Weather Chain Workshop, 26 October, Espoo, Finland.
  18. Kodikara, T., Harima, K., He, C., Choy, S., & Zhang, K. (2016). Assessment on the efficacy of global ionospheric maps to improve the performance of precise point positioning, 16th Australian Space Research Conference, 27 September, Melbourne, Australia.