| ۲۱ | The Iranian height datum offset from the GBVP solution and spirit‑leveling/gravimetry data | Ebadi A, Ardalan AA, Karimi R | Journal of Geodesy | 2019 |
| ۲۲ | Geoid's potential W0 from a weighted constrained optimization problem | Karimi R, Ardalan AA | Journal of Geodesy | 2022 |
| ۲۳ | An alternative method for density variation modeling of the crust based on 3-D gravity inversion | Ardalan AA, Zamzam D, Karimi R | Journal of Applied Geophysics | 2011 |
| ۲۴ | Reference surfaces of the planet Mercury from MESSENGER | Karimi R, Ardalan AA, Vasheghani Farahani S | Icarus | 2016 |
| ۲۵ | A New Reference Equipotential Surface, and Reference Ellipsoid for the Planet Mars | Ardalan AA, Karimi R, Grafarend EW | Earth, Moon, and Planets | 2010 |
| ۲۶ | The size, shape and orientation of the asteroid Vesta based on data from the Dawn mission | Karimi R, Ardalan AA, Vasheghani Farahani S | Earth and Planetary Science Letters | 2017 |
| ۲۷ | Effect of topographic bias on geoid and reference ellipsoid of Venus, Mars, and the Moon | Ardalan AA, Karimi R | Celestial Mechanics and Dynamical Astronomy | 2014 |
| ۲۸ | A time series analysis of permanent GNSS stations in the northwest network of Iran | Ghasemi Khalkhali SA, Ardalan AA, Karimi R | Annals of Geophysics | 2021 |
| ۲۹ | Performance assessment of multi-GNSS real-time PPP over Iran | Abdi N, Ardalan AA, Karimi R, Rezvani MH | Advances in Space Research | 2017 |
| ۳۰ | Rapid local ionosphere modeling based on Precise Point Positioning over Iran: A case study under 2014 solar maximum | Abdi N, Ardalan AA, Karimi R | Advances in Space Research | 2019 |