globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2013.11.016
Scopus记录号: 2-s2.0-84893854756
论文题名:
Trace metal pyritization variability in response to mangrove soil aerobic and anaerobic oxidation processes
作者: Machado W.; Borrelli N.L.; Ferreira T.O.; Marques A.G.B.; Osterrieth M.; Guizan C.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 79, 期:2018-01-02
起始页码: 365
结束页码: 370
语种: 英语
英文关键词: Metals ; Pyrite oxidation ; Pyritization ; Redox processes ; Sequential extraction
Scopus关键词: Metals ; Pyrite oxidation ; Pyritization ; Redox processes ; Sequential extraction ; Anaerobiosis ; Biodegradation, Environmental ; Brazil ; Environmental Monitoring ; Geologic Sediments ; Iron ; Metals ; Oxidation-Reduction ; Soil ; Soil Pollutants ; Sulfides ; Water Pollutants, Chemical ; Wetlands
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: The degree of iron pyritization (DOP) and degree of trace metal pyritization (DTMP) were evaluated in mangrove soil profiles from an estuarine area located in Rio de Janeiro (SE Brazil). The soil pH was negatively correlated with redox potential (Eh) and positively correlated with DOP and DTMP of some elements (Mn, Cu and Pb), suggesting that pyrite oxidation generated acidity and can affect the importance of pyrite as a trace metal-binding phase, mainly in response to spatial variability in tidal flooding. Besides these aerobic oxidation effects, results from a sequential extraction analyses of reactive phases evidenced that Mn oxidized phase consumption in reaction with pyrite can be also important to determine the pyritization of trace elements. Cumulative effects of these aerobic and anaerobic oxidation processes were evidenced as factors affecting the capacity of mangrove soils to act as a sink for trace metals through pyritization processes. © 2013 Elsevier Ltd.
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85583
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

Files in This Item:

There are no files associated with this item.


作者单位: Departamento de Geoquímica, Instituto de Química, Universidade Federal Fluminense, Niterói, RJ 24020-141, Brazil; Instituto de Geología de Costas y del Cuaternario (IGCyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 722, Correo Central (7600) Mar del Plata, Buenos Aires, Argentina; Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CONICET, Argentina; Departamento de Ciências do Solo, Universidade de São Paulo, ESALQ/USP Piracicaba, São Paulo, Brazil; Laboratório de Geologia Marinha-LAGEMAR, Departamento de Geologia, Universidade Federal Fluminense, Niterói, RJ 24210-340, Brazil

Recommended Citation:
Machado W.,Borrelli N.L.,Ferreira T.O.,et al. Trace metal pyritization variability in response to mangrove soil aerobic and anaerobic oxidation processes[J]. Marine Pollution Bulletin,2014-01-01,79(2018-01-02)
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Machado W.]'s Articles
[Borrelli N.L.]'s Articles
[Ferreira T.O.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Machado W.]'s Articles
[Borrelli N.L.]'s Articles
[Ferreira T.O.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Machado W.]‘s Articles
[Borrelli N.L.]‘s Articles
[Ferreira T.O.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.