The design of a single channel high-resolution digital seismic system and some geological results
Bedri Alpar, M. Ali Danışman, Erkan Gökaşan, Ertuğrul Doğan, Valery Gainanov, Alex Zverev
University of Istanbul, Institute of Marine Sciences and Management, Vefa, 34470 Istanbul, TURKEY
Dokuz Eylül University, Division of Geophysical Engineering, Bornova, 35100 lzmir, TURKEY
Geont Marine Research Centre and Moscow State University, Moscow, Russia, 4 Impedance Co. Ltd, Moscow, RUSSIA
A single-channel high-resolution digital reflection seismic system has been developed. Some technical specifications are given for its hardware and software. The seismic sections obtained from the first trial runs were compared with neighbouring analog sections which were recorded in the area previously. Similar results were found with previous findings. However, the overall performance and better resolution of the new digital system enabled us to distinguish two new geological features. First, thin Holocene post-transgressional sediments were much more evident compared to the previous records. Secondly, the chaotic reflection patterns in the Oligocene units were not caused by slumps but by gas-bearing sediments; meaning that the gas charged sediments of the northern shelf area of the Black Sea continued on the southern shelf area.
Keywords: Seismic system, high-resolution, digital seismic data acquisition, Black Sea, seismic hardware, seismic data processing