NDLI: Mapping the flow pathways and contaminants transportation around a coal washing plant using the VLF-EM, Geo-electrical and IP techniques

Content Provider	Springer Nature Link
Author	Jodeiri Shokri, Behshad Doulati Ardejani, Faramarz Moradzadeh, Ali
Copyright Year	2015
Abstract	Coal washing operation is now being carried out in the Alborz-Sharghi plant, located in northeast of Iran. This can in effect create a number of environmental problems. In this research, different geophysical surveys were conducted to investigate the leachate flow pathways and time-dependent transportation of contaminants in downstream of the plant which is situated between a coal waste pile and tailings impoundments. The very low frequency survey identified the most likely contamination zones and flow pathways. Furthermore, two-dimensional resistivity models obtained by the inversion of geoelectrical data (measured with the use of a dipole–dipole array incorporating a time-laps technique) showed the contaminated plumes with low resistivity values (<1 Ω m). To carry out a time-laps technique, 2-D geoelectrical surveys were repeated at same profiles by a time interval of 6 months. The results distinguished a time-dependent movement of the plume in a lateral and longitudinal form as well as its further extension to the deeper layers towards the groundwater table. This was also verified by the results obtained by the induced polarization measurements.
Starting Page	1
Ending Page	13
Page Count	13
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	75
Issue Number	1
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-12-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Geophysical methods Pyrite oxidation Coal waste Time-laps technique Leachate flow paths Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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