A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau

The impacts of human activities on Zoige peatlands are poorly documented. We determined the concentrations and accumulation rates of As and Hg in a <sup>210</sup>Pb-dated peat profile collected from this area and analyzed the correlations between accumulation rates of both As and Hg and...

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Autores principales:	Xuhui Chen, Qianqian Su, Huai Chen, Dan Xue
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	atmospheric deposition As Hg 210Pb 137Cs accumulation rate Agriculture S
Acceso en línea:	https://doaj.org/article/243ce3835bfe493fb8ecc5df1d400373
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id	oai:doaj.org-article:243ce3835bfe493fb8ecc5df1d400373
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spelling	oai:doaj.org-article:243ce3835bfe493fb8ecc5df1d4003732021-11-25T18:09:55ZA High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau10.3390/land101112412073-445Xhttps://doaj.org/article/243ce3835bfe493fb8ecc5df1d4003732021-11-01T00:00:00Zhttps://www.mdpi.com/2073-445X/10/11/1241https://doaj.org/toc/2073-445XThe impacts of human activities on Zoige peatlands are poorly documented. We determined the concentrations and accumulation rates of As and Hg in a <sup>210</sup>Pb-dated peat profile collected from this area and analyzed the correlations between accumulation rates of both As and Hg and other physicochemical properties. To reconstruct recent conditions of As and Hg, we analyzed peat sediments of Re’er Dam peatland in Zoige using <sup>210</sup>Pb and <sup>137</sup>Cs dating technologies. The concentrations of total As (86.38 to 174.21 μg kg<sup>−1</sup>) and Hg (7.30 to 32.13 μg kg<sup>−1</sup>) in the peat profile clearly increased after the first industrial revolution. From AD 1824 to AD 2010, the average accumulation rates were 129.77 μg m<sup>−2</sup> yr<sup>−1</sup> for As and 18.24 μg m<sup>−2</sup> yr<sup>−1</sup> for Hg. Based on our results, anthropogenic emissions significantly affected the atmospheric fluxes of As and Hg throughout the past 200 years, and As was also likely to be affected by other factors than atmospheric deposition, which needs further identification by future studies. The historical variations in As and Hg concentrations in Re’er Dam peatland in Zoige mirror the industrial development of China.Xuhui ChenQianqian SuHuai ChenDan XueMDPI AGarticleatmospheric depositionAsHg210Pb137Csaccumulation rateAgricultureSENLand, Vol 10, Iss 1241, p 1241 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	atmospheric deposition As Hg 210Pb 137Cs accumulation rate Agriculture S
spellingShingle	atmospheric deposition As Hg 210Pb 137Cs accumulation rate Agriculture S Xuhui Chen Qianqian Su Huai Chen Dan Xue A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau
description	The impacts of human activities on Zoige peatlands are poorly documented. We determined the concentrations and accumulation rates of As and Hg in a <sup>210</sup>Pb-dated peat profile collected from this area and analyzed the correlations between accumulation rates of both As and Hg and other physicochemical properties. To reconstruct recent conditions of As and Hg, we analyzed peat sediments of Re’er Dam peatland in Zoige using <sup>210</sup>Pb and <sup>137</sup>Cs dating technologies. The concentrations of total As (86.38 to 174.21 μg kg<sup>−1</sup>) and Hg (7.30 to 32.13 μg kg<sup>−1</sup>) in the peat profile clearly increased after the first industrial revolution. From AD 1824 to AD 2010, the average accumulation rates were 129.77 μg m<sup>−2</sup> yr<sup>−1</sup> for As and 18.24 μg m<sup>−2</sup> yr<sup>−1</sup> for Hg. Based on our results, anthropogenic emissions significantly affected the atmospheric fluxes of As and Hg throughout the past 200 years, and As was also likely to be affected by other factors than atmospheric deposition, which needs further identification by future studies. The historical variations in As and Hg concentrations in Re’er Dam peatland in Zoige mirror the industrial development of China.
format	article
author	Xuhui Chen Qianqian Su Huai Chen Dan Xue
author_facet	Xuhui Chen Qianqian Su Huai Chen Dan Xue
author_sort	Xuhui Chen
title	A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau
title_short	A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau
title_full	A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau
title_fullStr	A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau
title_full_unstemmed	A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau
title_sort	high–resolution accumulation record of arsenic and mercury after the first industrial revolution from a peatland in zoige, qinghai–tibet plateau
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/243ce3835bfe493fb8ecc5df1d400373
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A High–Resolution Accumulation Record of Arsenic and Mercury after the First Industrial Revolution from a Peatland in Zoige, Qinghai–Tibet Plateau

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