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Nature-Based and Non-Traditional Approaches for Water Quality Improvement
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Nature-Based and Non-Traditional Approaches for Water Quality Improvement

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 5903

Special Issue Editors

Prof. Dr. Yaqian Zhao

E-Mail Website
Guest Editor
1. UCD School of Civil Engineering, University College Dublin, Belfield, Dublin, Ireland
2. Institute of Water Resources & Hydro-electric Engineering, Xi'an University of Technology, Xi’an 710048, China
Interests: unconventional water and wastewater treatment technology; new constructed wetland technology; microbial fuel cell; ecological engineering; ecological restoration of surface water (rivers, lakes, bays, etc.); waterworks sludge regulation; dehydration and beneficial reuse
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Abraham Esteve-Núñez

E-Mail Website
Guest Editor
Department of Analytical Chemistry and Chemical Engineering, University of Alcalá, Campus Universitario, Ctra. Madrid-Barcelona Km 33.600, 28871 Alcalá de Henares, Spain
Interests: environmental biotechnology; electrobioremediation; microbial electrochemical technologies; wastewater
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nature-based and untraditional approaches are groups of technologies that can be deployed to address water environmental challenges related to surface water quality, groundwater quality, floods and water scarcity. In recent years, these kinds of technologies and their combination have been increasingly employed worldwide to improve water quality and to treat various wastewaters from domestic and industrial effluent. In addition, they are also employed for ecorestoration of water bodies to help to protect freshwater resources and safeguard nature’s integrity. They can make a significant contribution to reversing the rapid decline in freshwater biodiversity and mitigating its impacts. These approaches are increasingly seen as cost-efficient strategies that need to be mainstreamed in water resource management strategies.

This Special Issue aims to gather the most updated research and development on various attempts and approaches of these kinds of technologies worldwide to attract greater investments from the water environmental industry for the purpose of promoting the water environmental protection.

Prof. Dr. Yaqian Zhao
Prof. Dr. Abraham Esteve-Núñez
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 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. International Journal of Environmental Research and Public Health is an international peer-reviewed open access monthly 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 2500 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

  • constructed wetlands
  • ecological engineering
  • phytoremediation
  • sponge city

 

Published Papers (2 papers)

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Research

16 pages, 8907 KiB  
Article
Analysis of Drought and Flood Variations on a 200-Year Scale Based on Historical Environmental Information in Western China
by Yinge Liu, Yanjun Wen, Yaqian Zhao and Haonan Hu
Int. J. Environ. Res. Public Health 2022, 19(5), 2771; https://doi.org/10.3390/ijerph19052771 - 27 Feb 2022
Cited by 6 | Viewed by 1837
Abstract
Historical environmental evidence has been characterized by time accuracy, high spatial resolution and rich information, which may be widely used in the reconstruction of historical data series. Taking the upper reaches of the Weihe River as an example in Western China, the grades [...] Read more.
Historical environmental evidence has been characterized by time accuracy, high spatial resolution and rich information, which may be widely used in the reconstruction of historical data series. Taking the upper reaches of the Weihe River as an example in Western China, the grades and index sequences of the drought and flood disasters from 1800 to 2016 were reconstructed based on various historical environmental information and standardized precipitation indicator (SPI). Moreover, the characteristics of droughts and floods were analyzed using statistical diagnostic methods, and the mechanisms affecting centennial-scale droughts and floods were discussed. The validity of reconstruction sequence of droughts/floods was verified, which showed that the reconstruction sequence may reasonably indicate the status of drought and flood. The reconstruction indicated the following periods of drought/flood: a period of extreme and big droughts in 1835s–1893s, 1924s–1943s and 1984s–2008s, a period of extreme and big floods in 1903s–1923s, and a period of extreme and big droughts/floods in 1944s–1983s. Moreover, the droughts were more serious in the western part of this region and the floods were relatively severe in the east of this region, while the droughts and floods have long-term period of about 100 years and mutation. The influence mechanism of external environmental forcing factors driving floods/droughts were revealed. The results showed that the cycle of El Niño Southern Oscillation (ENSO) and sunspot activities were closely related to the variations of drought/flood, meanwhile, ENSO has a significant lag time scale cumulative influence on droughts and floods, especially the 15-year sliding effect was the most obvious. In the peak year of sunspots, the probability of heavy drought/extreme floods was large, and the 102-year sunspot cycle has a more significant effect on drought and flood disasters. The mutation of droughts and floods occurred in the context of the drastic changes in the ground environment, and transformation of precipitation and land use structure. These results will enhance the understandings of historical environmental climate characteristics and mechanisms over the hundred years, and be useful for the future regional water resources and assessment, and ecological environment management. Full article
(This article belongs to the Special Issue Nature-Based and Non-Traditional Approaches for Water Quality Improvement)
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22 pages, 5839 KiB  
Article
Multi-Criteria Evaluation and Sensitivity Analysis for the Optimal Location of Constructed Wetlands (METland) at Oceanic and Mediterranean Areas
by Lorena Peñacoba-Antona, Montserrat Gómez-Delgado and Abraham Esteve-Núñez
Int. J. Environ. Res. Public Health 2021, 18(10), 5415; https://doi.org/10.3390/ijerph18105415 - 19 May 2021
Cited by 13 | Viewed by 3313
Abstract
METland is a new variety of Constructed Wetland (CW) for treating wastewater where gravel is replaced by a biocompatible electroconductive material to stimulate the metabolism of electroactive bacteria. The system requires a remarkably low land footprint (0.4 m2/pe) compared to conventional [...] Read more.
METland is a new variety of Constructed Wetland (CW) for treating wastewater where gravel is replaced by a biocompatible electroconductive material to stimulate the metabolism of electroactive bacteria. The system requires a remarkably low land footprint (0.4 m2/pe) compared to conventional CW, due to the high pollutant removal rate exhibited by such microorganisms. In order to predict the optimal locations for METland, a methodology based on Multi-Criteria Evaluation (MCE) techniques applied to Geographical Information Systems (GIS) has been proposed. Seven criteria were evaluated and weighted in the context of Analytical Hierarchy Process (AHP). Finally, a Global Sensitivity Analysis (GSA) was performed using the Sobol method for resource optimization. The model was tested in two locations, oceanic and Mediterranean, to prove its feasibility in different geographical, demographic and climate conditions. The GSA revealed as conclusion the most influential factors in the model: (i) land use, (ii) distance to population centers, and (iii) distance to river beds. Interestingly, the model could predict best suitable locations by reducing the number of analyzed factors to just such three key factors (responsible for 78% of the output variance). The proposed methodology will help decision-making stakeholders in implementing nature-based solutions, including constructed wetlands, for treating wastewater in rural areas. Full article
(This article belongs to the Special Issue Nature-Based and Non-Traditional Approaches for Water Quality Improvement)
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