کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8870609 | 1622700 | 2018 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
An 87-year sedimentary record of mercury contamination in the Old Yellow River Estuary of China
ترجمه فارسی عنوان
87 سال سابقه رسوب آلودگی جیوه در رودخانه قدیمی رودخانه زرد چین
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کلمات کلیدی
جیوه، هسته رسوب، توزیع تاریخی، ارزیابی ریسک، رودخانه زردرنگ رودخانه،
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
اقیانوس شناسی
چکیده انگلیسی
A sediment core, spanning from the year 1925â¯Â±â¯3.03 to 2012, was collected for analyzing historical distribution of mercury (Hg) in the Old Yellow River Estuary (OYRE), China. The Hg concentrations in the sediment core ranged from 14 to 351â¯ngâ¯gâ1, with the high values occurred in the middle layers (1960-1996), which may be resulted from intensive human activities during this period, such as oil exploitation and booming of petrochemical industry, salt chemical industry and chlor-alkali plants. A significant positive correlation was found between THg and loss on ignition (LOI). The main fraction of Hg existed in residual part while the fraction that was easy to leach out from sediments accounted for only a small portion according to the results of BCR sequential extraction procedure. Multiple ecological risks indices and guidelines of Hg indicated that the sedimentary record presented an “intermediate state” for Hg contamination in the OYRE.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Pollution Bulletin - Volume 135, October 2018, Pages 47-54
Journal: Marine Pollution Bulletin - Volume 135, October 2018, Pages 47-54
نویسندگان
Meng Ge, Guijian Liu, Yuan Liu, Zijiao Yuan, Houqi Liu,