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Title: | The role of geological factors in the formation of H2S contamination in the Black Sea |
Authors: | Shniukov, Yevhen F. Yanko-Hombach, Valentyna V. Янко-Хомбах, Валентина Венедиктовна Янко-Хомбах, Валентина Венедиктівна Шнюков, Євген Федорович Шнюков, Евгений Федорович |
Citation: | Caspian-Black Sea-Mediterranean corridor during last 30 ky: Sealevel change and human adaptive strategies (2005-2011) : VII plenary meeting and field trip INQUA 501 (Odessa, 21–28 August 2011). – Odessa : Astroprint, 2011. |
Issue Date: | 2011 |
Publisher: | Astroprint |
Keywords: | tectonic ruptures gas seeps mud volcanoes |
Series/Report no.: | ;С. 155- 157 |
Abstract: | The Black Sea formed within an east-west trending elliptical depression with a surface area of 436,400 km2,a water volume of 547,000 m3,and a water depth reaching 2212 m at its lowest point.It is the world's largest (423,000 km2) meromictic basin,where the deep waters do not mix with the upper layers that receive oxygen from the atmosphere.As a result,over 90% of the deeper Black Sea volume is contaminated by H2S and is lifeless.There is a trend of increasing H2S concentration in the seawater with increasing depth.One liter of Black Sea water contains 0.19, 0.83, 2.34, 8.48, and 9.6 mg/1 of H2S at water depths of 150, 200, 300, 1000,and 2000 m,respectively (Zaitsev, 1998).While the trend is obvious,the figures may be adjusted because the upper boundaries of H2S exposures vary. |
Description: | ЗБІРКА ТЕЗ ДОПОВІДЕЙ 7-ї КОНФЕРЕНЦІЇ ТА ПОЛЬОВИХ ЕКСКУРСІЙ ЗА ПРОЕКТОМ INQUA 501 «КАСПІЙСЬКО-ЧОРНОМОРСЬКО-СЕРЕДЗЕМНОМОРСЬКИЙ КОРИДОР УПРОДОВЖ ОСТАННІХ 30 ТИС. РОКІВ: ЗМІНИ РІВНЯ МОРЯ ТА АДАПТАЦІЇ ЛЮДИНИ» (2005-2011)21 -28 серпня, 2011 р., м. Одеса |
URI: | http://dspace.onu.edu.ua:8080/handle/123456789/2349 |
Appears in Collections: | Статті та доповіді ГГФ |
Files in This Item:
File | Description | Size | Format | |
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C. 155- 157+.pdf | 1.32 MB | Adobe PDF | View/Open |
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