Alexander Mchedlishvili

University of Bremen
Institute of Environmental Physics
Otto-Hahn-Allee 1, 28359 Bremen, Germany
Building NW1, office N3200, phone +49-421-218-62172

Curriculum Vitae and Research Interests

Alexander Mchedlishvili received his BSc at Jacobs University Bremen in 2018 and his MSc at the University of Bremen in 2020. He wrote his thesis on the Weddell Sea Polynya Sea Ice Thickness Analysis in the IUP group "Remote Sensing of Polar Regions" and later published a paper on the topic during his PhD. He started his PhD, in the same group he wrote his thesis with, in October of 2020 as a part of the (AC)³ project ( He currently works on estimating Arctic-wide sea ice-atmosphere drag coefficients using NASA's ICESat-2.

His main research interest is the influence of sea ice surface roughness on the ice/ocean and atmosphere energy and momentum exchange. His main research aim is to help constrain atmosphere-ocean-sea ice models by including the spatio-temporal variability of drag coefficients; which is expected to improve our understanding of the rapidly changing Arctic climate system.


  • Mchedlishvili, A., Spreen, G., Melsheimer, C., Huntemann, M. (2022). "Weddell Sea polynya analysis using SMOS--SMAP apparent sea ice thickness retrieval". The Cryosphere, 16, 471-481.
  • Mchedlishvili, A., Lüpkes, C., Petty, A., Tsamados, M., and Spreen, G.: New estimates of the pan-Arctic sea ice–atmosphere neutral drag coefficients from ICESat-2 elevation data, EGUsphere [preprint],, 2023.