At the one-time dissertation council at the Institute of Geography named after Academician H.A. Aliyev of the MSEAR, Rena Yusif gizi Ahmadova defended her dissertation, registration number BFD 3.17, for the degree of Doctor of Philosophy in the specialty 2508.01 - Geoecology on the topic "Temporal and spatial distribution of oil spills in the Azerbaijani waters of the Caspian Sea".

By closed voting, it was decided to submit a petition to the AAS under the President of the Republic of Azerbaijan to award R. Ahmadova the degree of Doctor of Philosophy in Geography.