The DTM is produced with Teledyne multibeam echosounder survey, acquired in March 2023 by Marine Research Ltd. The resolution 5m x 5m. It is located at Sulina, Romania, on the coastal region of the Black Sea. Depths are referenced to the Local Sea Level - Marea Neagra 1975 (Mean Sea Level) and the coordinates are expressed into the WGS84 reference frame.

The DTM is produced with Kongsberg multibeam echosounder survey, acquired in March 2020 by Marine Research Ltd. The resolution is 1/256 arc-minutes (~7.2m). It is located at 23 August, Romania, on the coastal region of the Black Sea. Depths are referenced to the Local Sea Level - Marea Neagra 1975 and the coordinates are expressed into the WGS84 reference frame.

The DTM is produced with Kongsberg multibeam echosounder survey, acquired in 2015 by Marine Research Ltd. The resolution is 1/256 arc-minutes (~7.2m). It is located in Costinesti, Romania, on the coastal region of the Black Sea. Depths are referenced to the Mean Sea Level and the coordinates are expressed into the WGS84 reference frame.