کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6330986 | 1619787 | 2014 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Quantifying missing annual emission sources of heavy metals in the United Kingdom with an atmospheric transport model
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم محیط زیست
شیمی زیست محیطی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Quantifying missing annual emission sources of heavy metals in the United Kingdom with an atmospheric transport model Quantifying missing annual emission sources of heavy metals in the United Kingdom with an atmospheric transport model](/preview/png/6330986.png)
چکیده انگلیسی
The measured wet deposition and air concentration of heavy metals were significantly underestimated by the model for all metals (except vanadium) by factors between 2 and 10. These results suggest major missing sources of annual heavy metal emissions which are currently not included in the official inventory. Primary emissions were able to account for only 9%, 21%, 29%, 21%, 36%, 7% and 23% of the measured concentrations for As, Cd, Cr, Cu, Ni, Pb and Zn. A likely additional contribution to atmospheric heavy metal concentrations is the wind driven re-suspension of surface dust still present in the environment from the legacy of much higher historic emissions. Inclusion of two independent estimates of emissions from re-suspension in the model was found to give an improved agreement with measurements. However, an accurate estimate of the magnitude of re-suspended emissions is restricted by the lack of measurements of metal concentrations in the re-suspended surface dust layer.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Science of The Total Environment - Volumes 479â480, 1 May 2014, Pages 171-180
Journal: Science of The Total Environment - Volumes 479â480, 1 May 2014, Pages 171-180
نویسندگان
Anthony J. Dore, Stephen Hallsworth, Alan G. McDonald, MaÅgorzata Werner, Maciej Kryza, John Abbot, Eiko Nemitz, Christopher J. Dore, Heath Malcolm, Massimo Vieno, Stefan Reis, David Fowler,