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Dr. Makan Karegar




Dr. Makan Karegar

  • Function:

scientific Assistant

  • E-mail:

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  • Telephone :

+49 228 73-6160

  • Fax:

+49 228 73-3029

  • Room :


  • Address :

Institute of Geodesy and Geoinformation

Nut alley 15

D-53115 Bonn

Professional profile

Aug. 2018 - Now : Research assistant at the Institute for Geodesy and Geoinformation (Astronomical Physical and Mathematical Geodesy Group) of the University of Bonn.

Jun. 2018 : Ph.D. in Geology, School of Geosciences, University of South Florida, Tampa, USA.

Jun. 2016 - Aug. 2018 : Visiting Researcher at the Institute for Geodesy and Geoinformation (Astronomical Physical and Mathematical Geodesy Group) of the University of Bonn.

Aug. 2012 - Aug. 2018 : Doctoral student in Geosciences, University of South Florida, School of Geosciences, Tampa, USA.

Oct. 2006 - Aug. 2009 : M.Sc. in Geodesy, Khajeh Nasir Toosi University of Technology, Faculty of Geodesy and Geomatics Engineering, Tehran, Iran.

research interests

  • Earth's surface deformation and its interactions with human activities and natural climate changes.

  • Regional sea-level rise. 



Functions (selection)


  • M.Sc. level: Geodetic Earth Observation (Winter, 2019), Satellite Geodesy and Earth System (two lectures on GNSS, Winter 2019), Profile Fundamentals (Winter, 2019), Advanced Data Analysis: Physical Geodesy (Summer, 2019, 2020), Practical for Advanced Data Analysis Course (summer, 2018)


  • Klos, A., Karegar, M.A., Kusche, J., Springer, A. (2020). Quantifying noise in daily GPS height time series: harmonic function versus GRACE-assimilating modeling approaches, IEEE Geoscience and Remote Sensing Letters, doi: 10.1109/LGRS.2020.2983045

  • Springer, A., Karegar, M.A., Kusche, J., Kurtz, W., Keune, J., Kollet, S. (2019). Evidence of daily hydrological loading in GPS time series over Europe. Journal of Geodesy, 93 (10), 2145-2153,

  • Karegar, MA (2018): Theory and Application of Geophysical Geodesy for Studying Earth's Surface Deformation. Graduate Theses and Dissertations, School of Geosciences, University of South Florida, Tampa, USA, P. 242, June 2018. .

  • Karegar, M. A., Dixon, T. H., Kusche, J., Chambers, D. P. (2018): A new hybrid method for estimating hydrologically induced vertical deformation from GRACE and a hydrological model: An example from Central North America. Journal of Advances in Modeling Earth Systems, 10.

  • Karegar, M., Dixon, T., Malservisi, R., Kusche, J., Engelhart, S. (2017) Nuisance Flooding and Relative Sea-Level Rise: the Importance of Present-Day Land Motion. Nature Scientific Reports, 7, doi.10.1038/s41598-017-11544-y.

  • Dixon T. H., Karegar M. A. (2017). Coastal Subsidence: Harbinger of Future Flooding?, Speaking of Geoscience, The Geological Society of America’s Guest blog.

  • Karegar, M. A., Dixon, T. H., & Engelhart, S. E. (2016). Subsidence along the Atlantic Coast of North America: Insights from GPS and late Holocene relative sea level data. Geophysical Research Letters43(7), 3126-3133. doi:10.1002/2016GL068015.

  • Karegar, M. A., Dixon, T. H., & Malservisi, R. (2015). A three-dimensional surface velocity field for the Mississippi Delta: Implications for coastal restoration and flood potential. Geology43(6), 519-522. doi:G36598.1.

  • Karegar, M. A., Dixon, T. H., Malservisi, R., Yang, Q., Hossaini, S. A., & Hovorka, S. D. (2015). GPS-based monitoring of surface deformation associated with CO 2 injection at an enhanced oil recovery site. International Journal of Greenhouse Gas Control41, 116-126. doi:

  • Marshall, A., Connor, C., Kruse, S., Malservisi, R., Richardson, J., Courtland, L., ... & Karegar, M. A. (2015). Subsurface structure of a maar–diatreme and associated tuff ring from a high-resolution geophysical survey, Rattlesnake Crater, Arizona. Journal of Volcanology and Geothermal Research304, 253-264. doi:

  • Eshagh, M., & Karegar, M. A. (2012). Software for generating gravity gradients using a geopotential model based on an irregular semivectorization algorithm. Computers & geosciences39, 152-160. doi:

  • Karegar, M. A., & Alamdari, M. (2011). Application of Molodensky's Method for Precise Determination of Geoid in Iran. Journal of Geodetic Science1(3), 259-270.  doi:

  • Eshagh, M., & Karegar, M. A. (2010). Semi-vectorization: an efficient technique for synthesis and analysis of gravity gradiometry data. Earth Science Informatics3(3), 149-158. doi: s12145-010-0062-3.

  • Eshagh, M., & Karegar, MA (2009). The effect of geopotential perturbations of GOCE on its observations-A numerical study. Acta Geodaetica et Geophysica Hungarica44 (4), 385-398. doi: AGeod.44.2009.4.2

  • Eshagh, M., Karegar, MA , & Najafi-Alamdari, M. (2008). Simplification of geopotential perturbing force acting on a satellite. Artificial Satellites43 (2), 45-64. doi: .