Special Issue "Application of Microbial Techniques in Hydrogeological Studies"

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrology and Hydrogeology".

Deadline for manuscript submissions: 31 December 2021.

Special Issue Editors

Prof. Gino Naclerio
E-Mail Website
Guest Editor
Department of Biosciences and Territory, University of Molise, 86090 Pesche (IS), Italy
Interests: analysis of microbial community composition and diversity in different environments via the use of traditional and molecular methods; elucidation of the subsurface dynamics of microbial contamination
Dr. Antonio Bucci
E-Mail Website
Guest Editor
Department of Biosciences and Territory, University of Molise, 86090 Pesche (IS), Italy
Interests: analysis of microbial community composition and diversity in different environments via the use of traditional and molecular methods; elucidation of the subsurface dynamics of microbial contamination

Special Issue Information

Dear Colleagues,

Groundwater is an important natural resource that supports socioeconomic development and maintains ecological balance in modern societies; thus, its sustainable management is a major challenge in most countries around the world. Anthropogenic activities in all sectors influence the natural water cycle and consequently the quality of groundwater, with wide ranging impacts on the functioning of ecosystems and human health. Therefore, preserving water resources in the future is of utmost importance, particularly considering the growing demands from industrial, agricultural, and domestic users in parallel with diminishing availability.

This Special Issue, “Application of Microbial Techniques in Hydrogeological Studies”, welcomes all contributions focused on microbiological study designs coupled with hydrogeological methods for the analysis of subsurface dynamics. Submissions should highlight the diverse and multiple roles played by microorganisms as, for example, water contaminants, candidates for cleaning environmental pollutants in bioremediation applications, and natural tracers to analyze aquifer system dynamics and behavior. The main goal is to deliver a broad overview on the relevance of applying a multidisciplinary approach as a tool for the full comprehension of natural phenomena and for the solution of environmental issues associated with groundwater.

Prof. Gino Naclerio
Dr. Antonio Bucci
Guest Editors

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 papers will be 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. Water is an international peer-reviewed open access semimonthly 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 2000 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

  • microbial techniques in hydrogeological studies
  • groundwater microbiology
  • groundwater microbial contamination
  • water quality monitoring
  • water pollution
  • aquifer vulnerability
  • point and nonpoint source pollution
  • bioremediation
  • microbial communities
  • land use and water quality

Published Papers (3 papers)

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Research

Article
Spatio-Temporal Variations of Hydrochemical and Microbial Characteristics in Karst Water in Samcheok, South Korea
Water 2020, 12(12), 3407; https://doi.org/10.3390/w12123407 - 03 Dec 2020
Cited by 1 | Viewed by 488
Abstract
This study analyzed the hydrochemical characteristics and microbial communities of karst water in Samcheok, Korea, and compared water quality results to identify the seasonal characteristics and hydrogeological connectivity of the study areas of Hamaengbang-ri, Gyogok-ri, Yeosam-ri, and the downtown area of Samcheok. Field [...] Read more.
This study analyzed the hydrochemical characteristics and microbial communities of karst water in Samcheok, Korea, and compared water quality results to identify the seasonal characteristics and hydrogeological connectivity of the study areas of Hamaengbang-ri, Gyogok-ri, Yeosam-ri, and the downtown area of Samcheok. Field survey and water quality analysis were performed in July 2019, February 2020, and April 2020. Hydrochemical analysis of karst water (groundwater and surface water) showed that most samples were comprised of Ca-HCO3 and that water–rock interactions were a dominant factor compared to precipitation and evaporation (crystallization). For seasonal characteristics, water–rock interactions appeared more active in the dry season than in the rainy season. Calcite weathering was dominant in the dry season, whereas dolomite weathering dominated the rainy season. Moreover, the saturation indexes for the dry and rainy seasons were less than and greater than 0, respectively, corresponding to an unsaturation (oversaturation) state; thus, white precipitate distributed in the study areas was deposited in the rainy season. Finally, as a result of analyzing the hydraulic characteristics between regions, hydrogeological similarities were identified between Hamaengbang-ri and Yeosam-ri, and between Gyogok-ri and downtown Samcheok, which suggested hydrogeological connectivity between each of the pairs. Full article
(This article belongs to the Special Issue Application of Microbial Techniques in Hydrogeological Studies)
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Article
Potential Enhancement of the In-Situ Bioremediation of Contaminated Sites through the Isolation and Screening of Bacterial Strains in Natural Hydrocarbon Springs
Water 2020, 12(8), 2090; https://doi.org/10.3390/w12082090 - 23 Jul 2020
Cited by 1 | Viewed by 809
Abstract
Petroleum hydrocarbon contamination (PHC) is an issue of major concern worldwide. These compounds represent the most common environmental pollutants and their cleaning up is mandatory. The main goal of this research was to analyze microbial communities in a site in southern Italy characterized [...] Read more.
Petroleum hydrocarbon contamination (PHC) is an issue of major concern worldwide. These compounds represent the most common environmental pollutants and their cleaning up is mandatory. The main goal of this research was to analyze microbial communities in a site in southern Italy characterized by the presence of hydrocarbons of natural origin by using a multidisciplinary approach based on microbiological, geological and hydrological investigations. Bacterial communities of two springs, the surrounding soils, and groundwater were studied through a combination of molecular and culture-dependent methodologies to explore the biodiversity at the study site, to isolate microorganisms with degradative abilities, and to assess their potential to develop effective strategies to restore the environmental quality. Next-generation sequencing revealed the dominance of species of the Proteobacteria phylum but also the presence of other autochthonous hydrocarbon-oxidizing microorganisms affiliated to other phyla (e.g., species of the genera Flavobacterium and Gordonia). The traditional cultivation-based approach led to the isolation and identification of 11 aerobic hydrocarbon-oxidizing proteobacteria, some of which were able to grow with phenanthrene as the sole carbon source. Seven out of the 11 isolated bacterial strains produced emulsion with diesel fuel (most of them showing emulsifying capacity values greater than 50%) with a high stability after 24 h and, in some cases, after 48 h. These results pave the way for further investigations finalized at (1) exploiting both the degradation ability of the bacterial isolates and/or microbial consortia to remediate hydrocarbon-contaminated sites and (2) the capability to produce molecules with a promoting effect for oil polluted matrices restoration. Full article
(This article belongs to the Special Issue Application of Microbial Techniques in Hydrogeological Studies)
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Article
Coupled Microbiological–Isotopic Approach for Studying Hydrodynamics in Deep Reservoirs: The Case of the Val d’Agri Oilfield (Southern Italy)
Water 2020, 12(5), 1483; https://doi.org/10.3390/w12051483 - 22 May 2020
Cited by 4 | Viewed by 779
Abstract
The studies upstream of the petroleum industry include oil and gas geological exploration and are usually focused on geological, structural, geophysical, and modeling techniques. In this research, the application of a coupled microbiological–isotopic approach was explored to assess its potential as an adequate [...] Read more.
The studies upstream of the petroleum industry include oil and gas geological exploration and are usually focused on geological, structural, geophysical, and modeling techniques. In this research, the application of a coupled microbiological–isotopic approach was explored to assess its potential as an adequate characterization and monitoring tool of geofluids in oilfield areas, in order to expand and refine the information acquired through more consolidated practices. The test site was selected within the Val d’Agri oilfield, where some natural hydrocarbon springs have been documented since the 19th century in the Tramutola area. Close to these springs, several tens of exploration and production wells were drilled in the first half of the 20th century. The results demonstrated the effectiveness of the proposed approach for the analysis of fluid dynamics in complex systems, such as oilfield areas, and highlighted the capacity of microbial communities to “behave” as “bio-thermometers”, that is, as indicators of the different temperatures in various subsurface compartments. Full article
(This article belongs to the Special Issue Application of Microbial Techniques in Hydrogeological Studies)
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