干旱区生态环境知识资源中心(Arid): Identification of mining waste using remote sensing technique: A case study in El Triunfo town, BCS, Mexico

Arid

DOI	10.1016/j.rsase.2021.100493
	Identification of mining waste using remote sensing technique: A case study in El Triunfo town, BCS, Mexico
	Ahumada-Mexia, Roman; Murillo-Jimenez, Janette M.; Ortega-Rubio, Alfredo; Marmolejo-Rodriguez, Ana J.; Nava-Sanchez, Enrique H.
通讯作者	Ahumada-Mexia, R (corresponding author), Ctr Interdisciplinario Ciencias Marinas Inst Poli, Av IPN S-N, La Paz 23096, BCS, Mexico.
来源期刊	REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT
ISSN	2352-9385
出版年	2021
卷号	22
英文摘要	Mining in Mexico is directly responsible for serious environmental impacts due to the lack of control in the management of mining shafts with high concentrations of potential toxic elements (PTE). These residues are subject to erosion and weathering processes, becoming high risk pollution sources for the health of the inhabitants. In the study area, El Triunfo, Baja California Sur, it is necessary to determine the location and composition of the mining shafts to carry out soil remediation in the near future. High resolution multispectral images of Pleiades satellite are appropriate tools for monitoring and classification of environmental risks, especially useful for the study of sediment distribution. For identify and georeferenced mining tailings within a semi-desert environment, we used remote sensing technique, by using the supervised classification tool and Maximum Likelihood algorithm. The results revealed 32 potential zones with mining residues which were visited to validate the technique, confirming that 87.5% had mining residues. Mining tailings in the area are collected in hills up to 20 m in height with scarce to nil vegetation and are composed of uncompacted reddish material. Laser diffraction analysis showed that the mean grain size is medium silt (25 mu m). The maximum concentrations of PTE were determined by instrumental neutron activation analysis and inductively coupled plasma mass spectrometry and validated with certified reference material giving the next results: As: 15000 mg/kg; Cd: 327 mg/kg; Cu: 1920 mg/kg; Pb: 88900 mg/kg; and Sb: 20200 mg/kg. We classified the mining wastes as extremely enriched in PTE using the normalized enrichment factor and extremely contaminated using the geoaccumulation index. We concluded that the remote sensing technique is a very useful tool for identifying local mining waste, the composition of which puts the health of inhabitants at risk; it is advisable that remediation work should be carried out in the short term.
英文关键词	Pleiades satellite Supervised classification Toxic mining tailings Potential toxic elements
类型	Article
语种	英语
收录类别	ESCI
WOS记录号	WOS:000654763200023
WOS关键词	BAJA-CALIFORNIA-SUR ; MINE TAILINGS ; METALS ; METALLOIDS ; ELEMENTS ; DISTRICT ; AEROSOL
WOS类目	Environmental Sciences ; Remote Sensing
WOS研究方向	Environmental Sciences & Ecology ; Remote Sensing
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/352953
作者单位	[Ahumada-Mexia, Roman; Murillo-Jimenez, Janette M.; Marmolejo-Rodriguez, Ana J.; Nava-Sanchez, Enrique H.] Ctr Interdisciplinario Ciencias Marinas Inst Poli, Av IPN S-N, La Paz 23096, BCS, Mexico; [Ortega-Rubio, Alfredo] Ctr Invest Biol Noroeste, Km 1 Carretera San Juan La Costa, La Paz, Baja Calif Sur, Mexico
推荐引用方式 GB/T 7714	Ahumada-Mexia, Roman,Murillo-Jimenez, Janette M.,Ortega-Rubio, Alfredo,et al. Identification of mining waste using remote sensing technique: A case study in El Triunfo town, BCS, Mexico[J],2021,22.
APA	Ahumada-Mexia, Roman,Murillo-Jimenez, Janette M.,Ortega-Rubio, Alfredo,Marmolejo-Rodriguez, Ana J.,&Nava-Sanchez, Enrique H..(2021).Identification of mining waste using remote sensing technique: A case study in El Triunfo town, BCS, Mexico.REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT,22.
MLA	Ahumada-Mexia, Roman,et al."Identification of mining waste using remote sensing technique: A case study in El Triunfo town, BCS, Mexico".REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT 22(2021).