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Effects of vegetation and physicochemical properties on solute transport in reclaimed soil at an opencast coal mine site on the Loess Plateau, China (Reprinted from Catena, vol 133, pg 403-411, 2015)
Zhen, Qing1,3; Ma, Wenmei2; Li, Mingming5; He, Honghua1,2; Zhang, Xingchang1,2; Wang, Yi4
2017
Source PublicationCATENA
Volume148Issue:2017Pages:17-25
SubtypeReprint
AbstractMine soils are often polluted and degraded. The objectives of this study were to assess the effects of soil properties and vegetation on soil solute transport in reclaimed soil at an opencast coal mine site on the Loess Plateau. Four reclaimed areas with different vegetation types were selected for the analysis of physical and chemical properties. The miscible displacement technique was used to obtain the breakthrough curves (BTCs) of NO3- ion transport in undisturbed soil columns, which were taken from the soil profiles of the different sites. The chemical properties, such as total N, P, K and SOM, exhibited low contents, and the soil physicochemical properties showed high heterogeneity between different depths and different reclaimed areas. The structural stability index was less than 5%. The initial and entire penetration times were longer in the deeper layers than in the top layer. The BTCs of NO3- were fitted well by the deterministic equilibrium convection dispersion equation (CDE) model. Preferential flow and transport were found in the soil columns. The reclaimed soil had poor structure, and planting vegetation improved the physiochemical properties of the soil. The soil solute transport parameters exhibited high heterogeneity between different samples and were significantly correlated with soil bulk density and soil texture, which were highly influenced by vegetation and human activities. In the process of land reclamation, increasing the bulk density and selecting fine-textured soils could reduce the average soil pore water velocity and the dispersivity coefficient, thereby extending the solute penetration time. (C) 2016 Published by Elsevier B.V.
KeywordReclaimed Soil Soil Properties Solute Transport Btc Vegetation
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.catena.2016.09.012
WOS KeywordORGANIC-CARBON ; ECOLOGICAL RESTORATION ; SOUTHEASTERN OHIO ; WATER-FLOW ; MACROPORES ; NITROGEN ; QUALITY ; SPOILS ; SEQUESTRATION ; REVEGETATION
Indexed BySCI
Language英语
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000389291900004
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5565
Collection生态环境研究室
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary, Xian 710075, Peoples R China
5.Henan Univ, Coll Environm & Planning, Kaifeng 475001, Henan, Peoples R China
Recommended Citation
GB/T 7714
Zhen, Qing,Ma, Wenmei,Li, Mingming,et al. Effects of vegetation and physicochemical properties on solute transport in reclaimed soil at an opencast coal mine site on the Loess Plateau, China (Reprinted from Catena, vol 133, pg 403-411, 2015)[J]. CATENA,2017,148(2017):17-25.
APA Zhen, Qing,Ma, Wenmei,Li, Mingming,He, Honghua,Zhang, Xingchang,&Wang, Yi.(2017).Effects of vegetation and physicochemical properties on solute transport in reclaimed soil at an opencast coal mine site on the Loess Plateau, China (Reprinted from Catena, vol 133, pg 403-411, 2015).CATENA,148(2017),17-25.
MLA Zhen, Qing,et al."Effects of vegetation and physicochemical properties on solute transport in reclaimed soil at an opencast coal mine site on the Loess Plateau, China (Reprinted from Catena, vol 133, pg 403-411, 2015)".CATENA 148.2017(2017):17-25.
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