Forecast of Circulation Processes and Propagation of Oil Pollution in the Eastern Black Sea Based on the Regional Complex Model

P. D. Lomakin

Marine Hydrophysical Institute, Russian Academy of Sciences, Sevastopol, Russian Federation

e-mail: p_lomakin@mail.ru

Abstract

Introduction. In the present paper structural regularities of the total suspended matter (TSM) and dissolved organic matter (DOM) content fields and the dissolved oil products (OP) concentration in the dredging and dumping areas in the Kerch Strait and the adjacent regions are identified based on the oceanographic data of the expeditions of the Marine Hydrophysical Institute and the Southern Research Institute of Marine Fishery and Oceanography.

Data and methods. The data of nine complex expeditions in the Kerch Strait in 1999–2013 were analyzed. The concentrations of all the substances under study were determined applying the optical methods. All the surveys were carried out in a probing mode using the Kondor optical probe.

Results. It is shown that sea dredging in the commercial port of Kerch was accompanied by significant increase of the total suspended matter content; its concentration was dozen times higher than that in the adjacent area. High content of the total suspended matter, characteristic for the port and the surrounding waters, contributes to accumulation and deposition of the anthropogenic dissolved organic matter, which concentration significantly exceeds the natural one. It is revealed that the dumping zones remain the sources of seawater environment pollution. The pronounced local maxima of the total suspended matter, dissolved organic matter and dissolved oil products concentrations were revealed in the bottom layer just in these zones: here they 1.5–3 times exceeded the natural standards of the considered characteristics.

Discussion and Conclusions. Dredging is the most significant factor determining the high concentration of suspended matter of anthropogenic origin in the Kerch Strait. The soil removed during dredging has an extremely low compaction and abnormally high fluidity that promotes intensive erosion of the dumping zones and further spread of suspension in the ambient waters. Dredging and dumping zones are not only pockets of environmental hazards; they are also unfavorable for navigation.

Keywords

dredging, dumping zones, total suspended mater, dissolved organic mater, oil products, the Kerch Strait

Acknowledgements

The study was carried within the framework of the state tasks on theme No. 0827- 2014-0011 “Study of The Regularities in Changes of the Marine Environment State Based on the Operational Observations and the Data of the System of Nowcast, Forecast and Reanalysis of the Marine Water Areas State” and theme No. 0827-2014-0010 “Complex Interdisciplinary Research of the Oceanological Processes Determine the Functioning and Evolution of the Ecosystems of the Black and Azov Seas, based on Modern Methods for Marine Environment State and Grid Technologies”.

Original russian text

Original Russian Text © P. D. Lomakin, 2019, published in MORSKOY GIDROFIZICHESKIY ZHURNAL, Vol. 35, Iss. 2, pp. 160–170 (2019)

For citation

Lomakin, P.D., 2019. Influence of Dredging and Dumping Zones on the Ecological Situation in the Kerch Strait. Physical Oceanography, 26 (2), pp. 147-156. doi:10.22449/1573-160X-2019-2-147-156

DOI

10.22449/1573-160X-2019-2-147-156

References

  1. Lomakin, P.D. and Spiridonova, E.O., 2010. Prirodnye i Antropogennye Izmeneniya v Polyakh Vazhneyshikh Abioticheskikh Elementov Ekologicheskogo Kompleksa Kerchenskogo Proliva v Techenie Dvukh Poslednikh Desyatiletiy [Natural and Anthropogenic Changes in the Fields of the Most Important Abiotic Elements of the Ecological Complex of the Kerch Strait over the Past Two Decades]. Sevastopol: ECOSI-Gidrofizika, 118 p. (in Russian).
  2. Stronkhorst, J., Ariese, F., van Hattum, B., Postma, J.F., de Kluijver, M., Den Besten, P.J., Bergman, M.J.N., Daan, R., Murk, A.J. and Vethaak, A.D., 2003. Environmental Impact and Recovery at Two Dumping Sites for Dredged Material in the North Sea. Environmental Pollution, [e-journal] 124(1), pp. 17-31. https://doi.org/10.1016/S0269-7491(02)00430-X
  3. Simonini, R., Ansaloni, I., Cavallini, F., Graziosi, F., Iotti, M., Massamba N’Siala, G., Mauri, M., Montanari, G., Preti, M and Prevedelli, D., 2005. Effects of Long-Term Dumping of Harbor-Dredged Material on Macrozoobenthos at Four Disposal Sites along the Emilia- Romagna Coast (Northern Adriatic Sea, Italy). _Marine Pollution Bulleti_n, [e-journal] 50(12), pp. 1595-1605. https://doi.org/10.1016/j.marpolbul.2005.06.031
  4. Van der Wal, D., Forster, R.M., Rossi, F., Hummel, H., Ysebaert, T., Roose, F. and Herman, P.M.J., 2011. Ecological Evaluation of an Experimental Beneficial Use Scheme for Dredged Sediment Disposal in Shallow Tidal Waters. Marine Pollution Bulletin, [e-journal] 62(1), pp. 99-108. https://doi.org/10.1016/j.marpolbul.2010.09.005
  5. Donázar-Aramendía, I., Sánchez-Moyano, J.E., García-Asencio, I., Miró, J.M., Megina, C. and García-Gómez, J.C., 2018. Impact of Dredged-Material Disposal on Soft-Bottom Communities in a Recurrent Marine Dumping Area near to Guadalquivir Estuary, Spain. Marine Environmental Research, [e-journal] 139, pp. 64-78. https://doi.org/10.1016/j.marenvres.2018.05.010
  6. Chepyzhenko, A.A. and Chepyzhenko, A.I., 2017. Methods and Device for in Situ Total Suspended Matter (TSM) Monitoring in Natural Waters' Environment. In: SPIE, 2017. Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104663G. http://dx.doi.org/10.1117/12.2287127
  7. Chepyzhenko, A.I. and Chepyzhenko, A.A., 2017. Methods and Device for in Situ Dissolved Organic Matter (DOM) Monitoring in Natural Waters' Environment. In: SPIE, 2017. Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physic; 104663S. http://dx.doi.org/10.1117/12.2287797
  8. Boss, E., Pegau, W.S., Zaneveld, J.R.V. and Barnard, A.H., 2001. Spatial and Temporal Variability of Absorption by Dissolved Material at a Continental Shelf. Journal of Geophysical Research: Oceans, [e-journal] 106(C5), pp. 9499-9507. doi:10.1029/2000JC900008
  9. Tedetti, M., Longhitano, R., Garcia, N., Guigue, C., Ferretto, N. and Goutx, M., 2012. Fluorescence Properties of Dissolved Organic Matter in Coastal Mediterranean Waters Influenced by a Municipal Sewage Effluent (Bay of Marseilles, France). Environmental Chemistry, [e-journal] 9(5), pp. 438-449. https://doi.org/10.1071/EN12081
  10. Holdway, D., Radlinski, A., Exon, N., Auzende, J-M. and Van de Beuque, S., 2000. Continuous Multi-Spectral Fluorescence and Absorption Spectroscopy for Petroleum Hydrocarbon Detection in Near-Surface Ocean Waters: ZoNeCo5 Survey, Fairway Basin Area, Lord Howe Rise. Canberra: Australian Geological Survey Organization, 57 p. Available at: https://d28rz98at9flks.cloudfront.net/34232/Rec2000_035.pdf [Accessed: 17 November 2018].
  11. National Research Council of the National Academies, 2003. Oil in the Sea III: Inputs, Fates, and Effects. Washington, D.C.: The National Academies Press, 265 p. Available at: https://www.nap.edu/read/10388/chapter/1 [Accessed: 15 November 2018].
  12. Petrenko, O.A., Sebakh, L.K. and Fashchuk, D.Ya., 2002. Some Environmental Consequences of Soil Dumping in the Black Sea as a Result of Dredging Operations in the Kerch Strait. Water Resources, [e-journal] 29(5), pp. 573-586. https://doi.org/10.1023/A:1020338201171
  13. Lomakin, P.D., Chepyzhenko, A.I. and Chepyzhenko, A.A., 2017. The Total Suspended Matter Concentration Field in the Kerch Strait Based on Optical Observations. Physical Oceanography, [e-journal] (6), pp. 58-69. doi:10.22449/1573-160X-2017-6-58-69
  14. Khaylov, K.M., 1971. Ekologicheskiy Metabolizm v More [Ecological Metabolism in the Seas]. Kiev: Naukova Dumka, 252 p. (in Russian).
  15. Bryantsev, V.A., 2005. Vozmozhnye Ekologicheskie Posledstviya Sooruzheniya Tuzlinskoy Damby (Kerchenskiy Proliv) [Possible Ecological Consequences of the Tuzla Damb Construction (Kerch Strait)]. Morskoy Ekologicheskiy Zhurnal = Marine Ekological Journal, 4(1), pp. 47-50. Available at: https://repository.marine-research.org/handle/299011/784 [Accessed: 10 April 2019] (in Russian).

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