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Atmospheric wet deposition of trace metal elements: Monitoring and modelling by Dan Li; Jie Zheng; Mengrong Yang; Yang Meng; Xu Yu; Huaishan Zhou; Lei Tong; Keqiang Wang; Yi-Fan Li; Xinming Wang; Hang Xiao is a Environmental Science article available to read on EtoBox.

What is Atmospheric wet deposition of trace metal elements: Monitoring and modelling about?

Trace elements (TEs), a group of atmospheric pollutants, have attracted considerable attention from scientists and government administrators worldwide. The wet deposition fluxes of nineteen trace elements (N TE) were monitored at Wanqingsha, a coastal site in the Pearl River Delta, for three consecutive years (2016.9–2019.8). Significant seasonal differences in N TE between wet and dry seasons were observed. The fluxes of crustal elements (Ca, Na, Al, Mg, K, Fe, Zn and Ba) were significantly higher than those of anthropogenic elements, accounting for over 99 % of the total annual wet deposition of 19 elements. Analysis of PM2.5 and rainfall samples reveals that both the fraction of each TE in the PM2.5 (CQ) and the Apparent Scavengance Ratio for TE (ASR, defined as the concentration ratio in rain and PM2.5) follow lognormal distributions. The logCQ variation for each element is relatively small but shows substantial differences, with means ranging from −5.48 to −2.03, while the logASRs for all elements show similar means (varying from 5.86 to 7.64) and an extremely wide range of variation. The influences of meteorological factors on CQ and ASR were also investigated. A simple box m

Who reads Atmospheric wet deposition of trace metal elements: Monitoring and modelling?

Author

Dan Li; Jie Zheng; Mengrong Yang; Yang Meng; Xu Yu; Huaishan Zhou; Lei Tong; Keqiang Wang; Yi-Fan Li; Xinming Wang; Hang Xiao

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)