Contents

1. Petar Stavrev, Petya Trifonova – Magnetic anomalies of disjunctive thin-bed structures and their compact magnetic sourcesor

2. Daniel Ishlyamski, Neli Jordanova, Diana Jordanova, Bozhurka Georgieva – Determination of equivalent firing temperatures of archaeological pottery and plaster fragments from ancient Copper mining site Ai Bunar

3. Maria Chamati – Disturbances in the geomagnetic field recorded on February 6, 2023

4. Christian Tzankov – Geophysical studies of Niche 1 in Bacho Kiro Cave

5. Todor Todorov – Using Airborne LiDAR to assess the condition of an archaeological sites: a case study

6. Marine geophysical surveys 2013 – 2022: Centre for Underwater Archaeology in cooperation with Eng. geophysicist Kiril Velkovsky

7. Atanas Vasilev, Ivan Genov, Rositsa Pehlivanova, Eva Marinovska – Resource assessment of gas hydrate deposits in the Black Sea

8. Anton Ivanov – Harmonical analysis of hourly tide gauge data at Varna station for period 5.2013-1.2023

9. Atanas Vasilev, Bjørn Kvamme, Rositsa Pehlivanova, Eva Marinovska, Ivan Genov – Why a thermodynamic approach for CO2 disposal and H2 or CH4 extraction from marine gas hydrate deposits

10. Boyko Ranguelov, Memet Salih Bayraktutan, Emil Oynakov – Natural geophysical fields in Turkey and geodynamics – relationships and correlations

11. Hristo Nikolov, Mila Atanasova – Co-seismic ground motions from earthquakes in Turkey-Syria as registered by SAR data

12. Mila Atanasova – Determination of coseismic deformations in the Balkan Peninsula area based on SAR data

13. Stefan Dimovski, Nikolay Stoyanov, Atanas Kisyov, Sava Kolev – Application of the ERT method for three-dimensional mapping of geological objects

14. Mila Atanasova – Ice velocity monitoring of Livingston Island glaciers by time series SAR data

15. Rumiana Bojilova, Plamen Mukhtarov – An empirical median model for forecasting the height of the peak electron density of a mid-latitude ionospheric station