干旱区生态环境知识资源中心(Arid): Environmental assessment and historic erosion calculation of abandoned mine tailings from a semi-arid zone of northwestern Mexico: insights from geochemistry and unmanned aerial vehicles

Arid

DOI	10.1007/s11356-019-05849-w
	Environmental assessment and historic erosion calculation of abandoned mine tailings from a semi-arid zone of northwestern Mexico: insights from geochemistry and unmanned aerial vehicles
	Pena-Ortega, Mayra 1; Del Rio-Salas, Rafael 2,3; Valencia-Sauceda, Javier 1; Mendivil-Quijada, Hector 4; Minjarez-Osorio, Christian 5; Molina-Freaner, Francisco 6; de la O-Villanueva, Margarita 1; Moreno-Rodriguez, Veronica 7
通讯作者	Del Rio-Salas, Rafael
来源期刊	ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN	0944-1344
EISSN	1614-7499
出版年	2019
卷号	26 期号:25 页码:26203-26215
英文摘要	Mining is known as one of the primary economic activities where exploitation of minerals and other materials have become essential for human development. However, this activity may represent a risk to the environment, starting from deforestation and ending with production of residues that might contain potentially toxic elements. Tailing deposits from historical mining are an example of waste that may represent an environmental concern when abandoned and exposed to environmental conditions. The town of Nacozari de Garcia, in northwestern Mexico, has three abandoned mine tailings (locally known as tailings I, II, and III) located around the urban area that represent important sources of dust and pollution. Images obtained using unmanned aerial vehicles (UAV) in conjunction with geochemical data are used to assess historic erosion calculation and pollution considering contamination and hazard indexes in tailings II and III. Digital elevation models of abandoned tailings were obtained using photogrammetry with UAV. A total of 37 surficial samples were collected from mine tailings to determine elemental concentrations (As, Cu, Pb, W, Zn) using portable X-ray fluorescence. Higher concentrations were found on samples from mine tailing II. Average concentrations followed the decreasing order of Cu > Zn > W > Pb > As for tailing II, whereas decreasing order of Cu > Zn > W > As > Pb was found for tailing III. Contamination Index (CI) values obtained from tailings II and III represent a low potential of pollution, whereas efflorescent crusts from these tailings represent a high potential of polluting soils and sediments by dust generation. Hazard Average Quotient (HAQ) values on both tailings suggest a very high potential of contamination if fluids infiltrate tailings and interact with surficial water and/or groundwater. Obtained surfaces of mine tailings II and III are 146,216 and 216,689 m(2), respectively, which represent around 11% of the urbanized area. A loss mass of 321,675 tons was determined for mine tailing II, whereas 634,062 tons for tailing III, accounting for 0.96 million tons of total eroded mass. Since abandonment, calculated erosion rates of 493 t ha(-1) year(-1) (tailing II) and 232 t ha(-1) year(-1) (tailing III) are in agreement with those determined in other mining areas. CI and HAQ indexes provide good estimates of pollution associated with abandoned mine tailings from Nacozari de Garcia. Historic erosion determined in these tailings is an environmental concern since eroded material and polluted water have been incorporated into the Moctezuma River, which feeds several villages, whose major activities include agriculture and livestock raising.
英文关键词	Abandoned mine tailings Potentially toxic elements Hazard indexes Unmanned aerial vehicles Historic erosion Semi-arid zones
类型	Article
语种	英语
国家	Mexico
收录类别	SCI-E
WOS记录号	WOS:000483698500067
WOS关键词	LARAMIDE MAGMATIC ARC ; GEOMORPHIC RECLAMATION ; GEOACCUMULATION INDEX ; SOIL CONTAMINATION ; GUADIAMAR RIVER ; SONORA ; NACOZARI ; DRAINAGE ; MOBILITY ; METALS
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	Universidad Nacional Autónoma de México
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/215549
作者单位	1.Univ Sonora, Dept Geol, Div Ciencias Exactas & Nat, Rosales & Encinas S-N, Hermosillo 83000, Sonora, Mexico; 2.Univ Nacl Autonoma Mexico, Inst Geol, Estn Reg Noroeste, Colosio & Madrid S-N, Hermosillo 83000, Sonora, Mexico; 3.Lab Nacl Geoquim & Mineral LANGEM, Mexico City, DF, Mexico; 4.GEO Digital Imaging Mexico SA CV, Hermosillo, Sonora, Mexico; 5.Univ Sonora, Dept Sci & Technol Res, Hermosillo 83000, Sonora, Mexico; 6.Univ Nacl Autonoma Mexico, Inst Ecol, Colosio & Madrid S-N, Hermosillo 83000, Sonora, Mexico; 7.Univ Estatal Sonora, Ingn Geociencias, Ave Ley Fed Trabajo S-N, Hermosillo 83000, Sonora, Mexico
推荐引用方式 GB/T 7714	Pena-Ortega, Mayra,Del Rio-Salas, Rafael,Valencia-Sauceda, Javier,et al. Environmental assessment and historic erosion calculation of abandoned mine tailings from a semi-arid zone of northwestern Mexico: insights from geochemistry and unmanned aerial vehicles[J]. Universidad Nacional Autónoma de México,2019,26(25):26203-26215.
APA	Pena-Ortega, Mayra.,Del Rio-Salas, Rafael.,Valencia-Sauceda, Javier.,Mendivil-Quijada, Hector.,Minjarez-Osorio, Christian.,...&Moreno-Rodriguez, Veronica.(2019).Environmental assessment and historic erosion calculation of abandoned mine tailings from a semi-arid zone of northwestern Mexico: insights from geochemistry and unmanned aerial vehicles.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,26(25),26203-26215.
MLA	Pena-Ortega, Mayra,et al."Environmental assessment and historic erosion calculation of abandoned mine tailings from a semi-arid zone of northwestern Mexico: insights from geochemistry and unmanned aerial vehicles".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 26.25(2019):26203-26215.