Total Mercury Distribution In Surface Sediments From The Arabian Gulf

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Total Mercury Distribution In Surface Sediments From The Arabian Gulf

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dc.contributor.author Kureishy, Tariq W. [طارق وحيد قريشى] en_US
dc.date.accessioned 2009-11-25T15:31:30Z
dc.date.available 2009-11-25T15:31:30Z
dc.date.issued 1994 en_US
dc.identifier.citation Qatar University Science Journal, 1994, Vol. 14, No. 2, Pages 390-394. en_US
dc.identifier.uri http://hdl.handle.net/10576/10256
dc.description.abstract Surface sediment samples collected during the first leg of Mt. Mitchell cruise and covering the entire Gulf, were analysed for their total Hg content. The total Hg concentrations ranged from 0.032 to 0.27 ug/g dry wt. The values obtained were compared to ROPME data generated earlier. Though differences in areas of sampling and methodologies exist, the values obtained in the present study are lower than ROPME values, contrary to expectations. This may be due to the fact that the samples were collected primarily from open sea areas rather than coastal areas, therefore, measurements of Hg made close to shore may reveal higher levels. Although no definite trend is observed in the spatial distribution of Hg, an effort was made to correlate the concentrations of Hg and mean grain size (Mz) of the sediments. Possible explanations for observed distribution are discussed. It is concluded that there is no apparent Hg contamination observed in the surface sediments of the Arabian Gulf, either from local industrial sources or as a direct result of the extensive Gulf war oil spill. en_US
dc.description.abstract توضح هذه السراسة مدى تلتير التلوث النفطي الذي تعرفى له الخليج العربي أثناء حرب الخليج على البيئة البحرية لك من خلال تحليل عسد 51مكلينة رسوبية من سطح قاع الخليج العربي تم جمعها في ثبراير صكام 1992 م أثناءرحلة سفينة البحوث الأمريكية "ملونت ميتشيل " . وقد تم التحليل لمعرفة تركير عنصر الزئبق في الرسوبيات وكذلك أ التحللل الحجمي للحبيبات . ووجد أن قيم الت!ركيزات لعنصر الزئبق أقل من المتوقع حيث أنها تتراسح ما بين 32 . ر- 27 . ر - ميكرو جرام / جرام ، مما يفسر أنه ليسى هناك أي تلوث بالزئبق في رسوبيات قاع الخليج العربي . ar
dc.language.iso en en_US
dc.publisher Qatar University en_US
dc.subject Marine Science en_US
dc.subject علوم البحار ar
dc.title Total Mercury Distribution In Surface Sediments From The Arabian Gulf en_US
dc.title.alternative دراسة توزيع عنصر الزئبق في الرسوبيات السطحية لقاع الخليج العربي ar
dc.type Article en_US
dc.identifier.pagination 390-394 en_US
dc.identifier.issue 2 en_US
dc.identifier.volume 14 en_US

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