Toward monitoring and estimating the size of the HFO-contaminated seabed around a shipwreck using MBES backscatter data

Marta Szafrańska, Mateusz Gil*, Jarosław Nowak

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)
94 Downloads (Pure)

Abstract

Despite a progressive reduction of oil spills caused by the activity of maritime transportation, the latent sources of pollution still exist. Although the harmful impact of heavy fuel oil (HFO) on the marine environment is widely known, many shipwrecks cause contamination of the surrounding areas. In this paper, an approach to monitor the area of the HFO spill around a shipwreck is made using a bottom backscattering strength (BBS) obtained by a multibeam echosounder (MBES). As a case study, the s/s Stuttgart wreck located in the Gulf of Gdansk (Poland) is verified. Two different measurement campaigns have been carried out in shallow waters using low (190 kHz) and high (420 kHz) MBES frequency. The results indicate that the polluted area around s/s Stuttgart was estimated at 49.1 ha, which is around 18.3% more in comparison to the geological surveys made four years earlier.

Original languageEnglish
Article number112747
Number of pages9
JournalMarine Pollution Bulletin
Volume171
Early online date27 Jul 2021
DOIs
Publication statusPublished - Oct 2021
MoE publication typeA1 Journal article-refereed

Keywords

  • Backscatter
  • Heavy fuel oil (HFO)
  • Marine pollution monitoring
  • Multibeam echosounder (MBES)
  • Shipwreck
  • Submerged oil

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