کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5757867 1622722 2016 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Distribution variation of heavy metals in maricultural sediments and their enrichment, ecological risk and possible source-A case study from Zhelin bay in Southern China
ترجمه فارسی عنوان
تنوع توزیع فلزات سنگین در رسوبات آبیاری و غنی سازی آنها، خطر بروز زیست محیطی و احتمال منبع. مطالعه موردی از زلین خلیج در جنوب چین
کلمات کلیدی
فلزات سنگین، رسوبات دریایی، غنی سازی، خطر زیست محیطی، منابع احتمالی،
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات اقیانوس شناسی
چکیده انگلیسی
The study characterized the enrichment, ecological risk and possible source of heavy metals (As, Cd, Cr, Cu, Hg, Ni, Pb and Zn) in sediments from a typical mariculture bay. The concentrations of the metals were analyzed in sediments collected from Zhelin bay. The distribution variation was examined during the past decade, which had an increase tendency till 2011. The enrichment factor and geoaccumulation indices suggested Pb, As, Cu and Zn were minor enrichment and unpolluted to moderately polluted, and Ni at cage mariculture area was moderately-severe enrichment and strongly polluted. This area had medium to high ecological risk, especially at the northwest coastal area of semi-closed bay, with high-medium to high ecological risk. Correlation and principal component analyses indicated that most of heavy metals, especially for As, Pb and Ni, primarily resulted from the combustion of gasoline and diesel fuel and the ship protective layer.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Pollution Bulletin - Volume 113, Issues 1–2, 15 December 2016, Pages 240-246
نویسندگان
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