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Pollution of Groundwater
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Pollution of Groundwater

A special issue of Pollutants (ISSN 2673-4672). This special issue belongs to the section "Water Pollution".

Deadline for manuscript submissions: closed (12 January 2022) | Viewed by 7911

Special Issue Editor

Dr. Adimalla Narsimha

E-Mail Website
Guest Editor
School of Water Resources & Environmental Engineering, East China University of Technology, Nanchang, China
Interests: hydrogeochemistry; hydrogeology; groundwater quality and pollution; health risk assessment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Groundwater is one of the most precious natural resources in the world, and it typically provides clean drinking water and also supplies water for irrigation purposes. However, the rapid expansion of industrialization, urbanization, the application of several fertilizers to irrigation lands, and human pollution have created extremely contaminated groundwater all over the world. Groundwater pollutants mainly include inorganic salts, toxic metals, fluoride, nitrate, arsenic, and other physicochemical parameters. Therefore, groundwater quality issues have become a major concern in the last few decades. Therefore, the aim of this Special Issue titled “Groundwater Pollution” is to assess the quality of groundwater for drinking and irrigation uses, to identify the sources of contamination in groundwater, and to understand the distribution pattern of vulnerable zones by using various methods including GIS and geostatistics. Moreover, this Special Issue will also focus on reporting original and innovative research addressing key scientific questions on groundwater quality, pollution, and contamination processes, as well as its impact on human health. Thus, I would like to encourage you to submit your original research papers, short communication, mini-review, and review manuscripts to this Special Issue. If you have any queries about the scope of this Special Issue, do not hesitate to contact us.

Dr. Adimalla Narsimha
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Pollutants is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Groundwater quality issues
  • Groundwater pollution and source identification through various methods
  • Geospatial distribution and geospatial approaches to identify groundwater contamination proceses
  • Hydrochemical processes regulating water quality variation
  • Fluoride, nitrate, and arsenic contamination in groundwater
  • Groundwater quality monitoring in arid and semi-arid regions

Published Papers (2 papers)

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Research

21 pages, 4936 KiB  
Article
Model-Based Analysis of the Link between Groundwater Table Rising and the Formation of Solute Plumes in a Shallow Stratified Aquifer
by Simone Varisco, Giovanni Pietro Beretta, Luca Raffaelli, Paola Raimondi and Daniele Pedretti
Pollutants 2021, 1(2), 66-86; https://doi.org/10.3390/pollutants1020007 - 23 Apr 2021
Cited by 2 | Viewed by 3032
Abstract
Groundwater table rising (GTR) represents a well-known issue that affects several urban and agricultural areas of the world. This work addresses the link between GTR and the formation of solute plumes from contaminant sources that are located in the vadose zone, and that [...] Read more.
Groundwater table rising (GTR) represents a well-known issue that affects several urban and agricultural areas of the world. This work addresses the link between GTR and the formation of solute plumes from contaminant sources that are located in the vadose zone, and that water table rising may help mobilize with time. A case study is analyzed in the stratified pyroclastic-alluvial aquifer near Naples (Italy), which is notoriously affected by GTR. A dismissed chemical factory generated a solute plume, which was hydraulically confined by a pump-and-treat (P&T) system. Since 2011, aqueous concentrations of 1,1-dichloroethene (1,1-DCE) have been found to exceed regulatory maximum concentration levels in monitoring wells. It has been hypothesized that a 1,1-DCE source may occur as buried waste that has been flushed with time under GTR. To elucidate this hypothesis and reoptimize the P&T system, flow and transport numerical modeling analysis was developed using site-specific data. The results indicated that the formulated hypothesis is indeed plausible. The model shows that water table peaks were reached in 2011 and 2017, which agree with the 1,1-DCE concentration peaks observed in the site. The model was also able to capture the simultaneous decrease in the water table levels and concentrations between 2011 and 2014. Scenario-based analysis suggests that lowering the water table below the elevation of the hypothesized source is potentially a cost-effective strategy to reschedule the pumping rates of the P&T system. Full article
(This article belongs to the Special Issue Pollution of Groundwater)
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22 pages, 5905 KiB  
Article
Multivariable 3D Geovisualization of Historic and Contemporary Lead Sediment Contamination in Lake Erie
by K. Wayne Forsythe, Danielle E. Ford, Chris H. Marvin, Richard R. Shaker, Michael W. MacDonald and Ryan Wilkinson
Pollutants 2021, 1(1), 29-50; https://doi.org/10.3390/pollutants1010004 - 21 Feb 2021
Cited by 1 | Viewed by 4002
Abstract
Lead sediment contamination in Lake Erie stems from a long history of natural and synthetic resource production. Sediment samples with variable sampling densities were collected by the Canada Centre for Inland Waters in 1971, 1997/1998, and 2014. The kriging interpolation method was used [...] Read more.
Lead sediment contamination in Lake Erie stems from a long history of natural and synthetic resource production. Sediment samples with variable sampling densities were collected by the Canada Centre for Inland Waters in 1971, 1997/1998, and 2014. The kriging interpolation method was used to create continuous sediment contamination surfaces for time/space comparisons. Change detection analyses identified an overall decreasing trend in high lead pollution levels from 1971 to 2014, while sediments with the lowest concentrations increased in surface area. Lake-wide circulation patterns and bathymetric data were added to interpolated contamination surfaces to enhance the understanding of interrelated hydrodynamic processes and geophysical features in the movement of contaminated sediments. Utilizing visualization tools in Esri’s ArcScene, bathymetric data were employed to enhance the geographic context of contamination maps. The physical barriers to sediment transportation created by bathymetric features can be visualized in three-dimensions. Elevated features between lake basins are easily recognized as impedances to lake currents when circulation directions are draped over the bathymetric model. By using illumination tools and techniques, geovisualizations of lead sediment contamination throughout Lake Erie create a scientific communication tool for a wide audience to use in multiple-criteria decision making for environmental remediation of sediment contamination. Full article
(This article belongs to the Special Issue Pollution of Groundwater)
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