Oxygen and Sulfides in Bottom Sediments of the Coastal Sevastopol Region of Crimea
Spatial variations in the distribution and fluxes of dissolved oxygen and sulfide in bottom sediments of Omega and Sevastopol bays have been studied. The results of analysis reveal that the distribution of dissolved oxygen and sulfide in pore water depends mostly on seasonal variations in the oxygen...
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| Veröffentlicht in: | Oceanology (Washington. 1965) 2018-09, Vol.58 (5), p.679-688 |
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| container_title | Oceanology (Washington. 1965) |
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| creator | Orekhova, N. A. Konovalov, S. K. |
| description | Spatial variations in the distribution and fluxes of dissolved oxygen and sulfide in bottom sediments of Omega and Sevastopol bays have been studied. The results of analysis reveal that the distribution of dissolved oxygen and sulfide in pore water depends mostly on seasonal variations in the oxygen concentration in bottom water, grain size, the organic carbon content in bottom sediments, and, additionally for Sevastopol Bay, the iron content. The oxygen flux at the bottom of Sevastopol Bay is 20 times larger in winter–spring compared to that of Omega Bay. Anaerobic conditions in Sevastopol Bay sediments are observed much closer to the surface, with their subsequent development in bottom water. |
| doi_str_mv | 10.1134/S0001437018050107 |
| format | Article |
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A. ; Konovalov, S. K.</creator><creatorcontrib>Orekhova, N. A. ; Konovalov, S. K.</creatorcontrib><description>Spatial variations in the distribution and fluxes of dissolved oxygen and sulfide in bottom sediments of Omega and Sevastopol bays have been studied. The results of analysis reveal that the distribution of dissolved oxygen and sulfide in pore water depends mostly on seasonal variations in the oxygen concentration in bottom water, grain size, the organic carbon content in bottom sediments, and, additionally for Sevastopol Bay, the iron content. The oxygen flux at the bottom of Sevastopol Bay is 20 times larger in winter–spring compared to that of Omega Bay. Anaerobic conditions in Sevastopol Bay sediments are observed much closer to the surface, with their subsequent development in bottom water.</description><identifier>ISSN: 0001-4370</identifier><identifier>EISSN: 1531-8508</identifier><identifier>DOI: 10.1134/S0001437018050107</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Anaerobic conditions ; Anoxic conditions ; Bays ; Bottom sediments ; Bottom water ; Carbon content ; Dissolved oxygen ; Distribution ; Earth and Environmental Science ; Earth Sciences ; Fluxes ; Marine Chemistry ; Oceanography ; Organic carbon ; Oxygen ; Pore water ; Seasonal variation ; Seasonal variations ; Sediment ; Sediments ; Spatial distribution ; Spatial variations ; Sulfides ; Sulphides</subject><ispartof>Oceanology (Washington. 1965), 2018-09, Vol.58 (5), p.679-688</ispartof><rights>Pleiades Publishing, Inc. 2018</rights><rights>Oceanology is a copyright of Springer, (2018). 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K.</creatorcontrib><title>Oxygen and Sulfides in Bottom Sediments of the Coastal Sevastopol Region of Crimea</title><title>Oceanology (Washington. 1965)</title><addtitle>Oceanology</addtitle><description>Spatial variations in the distribution and fluxes of dissolved oxygen and sulfide in bottom sediments of Omega and Sevastopol bays have been studied. The results of analysis reveal that the distribution of dissolved oxygen and sulfide in pore water depends mostly on seasonal variations in the oxygen concentration in bottom water, grain size, the organic carbon content in bottom sediments, and, additionally for Sevastopol Bay, the iron content. The oxygen flux at the bottom of Sevastopol Bay is 20 times larger in winter–spring compared to that of Omega Bay. Anaerobic conditions in Sevastopol Bay sediments are observed much closer to the surface, with their subsequent development in bottom water.</description><subject>Anaerobic conditions</subject><subject>Anoxic conditions</subject><subject>Bays</subject><subject>Bottom sediments</subject><subject>Bottom water</subject><subject>Carbon content</subject><subject>Dissolved oxygen</subject><subject>Distribution</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Fluxes</subject><subject>Marine Chemistry</subject><subject>Oceanography</subject><subject>Organic carbon</subject><subject>Oxygen</subject><subject>Pore water</subject><subject>Seasonal variation</subject><subject>Seasonal variations</subject><subject>Sediment</subject><subject>Sediments</subject><subject>Spatial distribution</subject><subject>Spatial variations</subject><subject>Sulfides</subject><subject>Sulphides</subject><issn>0001-4370</issn><issn>1531-8508</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE9LAzEQxYMoWKsfwFvA8-rMZjd_jrpoFQqFVs9L2iR1yzapm63Yb2-WCh7E0wy835t5PEKuEW4RWXG3AAAsmACUUAKCOCEjLBlmsgR5SkaDnA36ObmIcQPAsFByROazr8Paeqq9oYt96xpjI208fQh9H7Z0YU2ztb6PNDjav1taBR173SbhMy1hF1o6t-sm-AGougTrS3LmdBvt1c8ck7enx9fqOZvOJi_V_TRbMeR9Vji3lBa14jkKY6UolRLIFeTGaaZSbnScS2AcJSqTS6O0WyruNHdCLVdsTG6Od3dd-Njb2NebsO98elnnyEBIJWSRKDxSqy7E2FlX71JK3R1qhHqorv5TXfLkR09MrF_b7vfy_6ZvZ-pubw</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Orekhova, N. 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A.</au><au>Konovalov, S. K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxygen and Sulfides in Bottom Sediments of the Coastal Sevastopol Region of Crimea</atitle><jtitle>Oceanology (Washington. 1965)</jtitle><stitle>Oceanology</stitle><date>2018-09-01</date><risdate>2018</risdate><volume>58</volume><issue>5</issue><spage>679</spage><epage>688</epage><pages>679-688</pages><issn>0001-4370</issn><eissn>1531-8508</eissn><abstract>Spatial variations in the distribution and fluxes of dissolved oxygen and sulfide in bottom sediments of Omega and Sevastopol bays have been studied. The results of analysis reveal that the distribution of dissolved oxygen and sulfide in pore water depends mostly on seasonal variations in the oxygen concentration in bottom water, grain size, the organic carbon content in bottom sediments, and, additionally for Sevastopol Bay, the iron content. 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| ispartof | Oceanology (Washington. 1965), 2018-09, Vol.58 (5), p.679-688 |
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| language | eng |
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| subjects | Anaerobic conditions Anoxic conditions Bays Bottom sediments Bottom water Carbon content Dissolved oxygen Distribution Earth and Environmental Science Earth Sciences Fluxes Marine Chemistry Oceanography Organic carbon Oxygen Pore water Seasonal variation Seasonal variations Sediment Sediments Spatial distribution Spatial variations Sulfides Sulphides |
| title | Oxygen and Sulfides in Bottom Sediments of the Coastal Sevastopol Region of Crimea |
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