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Freshwater Ecology and Sustainable Watershed Management

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

Deadline for manuscript submissions: 5 February 2027 | Viewed by 1184

Editors


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Guest Editor
ICAR—Central Inland Fisheries Research Institute, Kolkata, India
Interests: watershed development; water conservation; environmental impact assessment; greening of environment; ecological engineering; IoT based SMART water research; automation in aquaculture; conservation biology; aquatic biodiversity; fisheries resource management; circular economy; effective valorisation of non-conventional resources as waste to wealth

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Guest Editor
Department of Soil and Water Conservation Engineering, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Interests: hydrologic modelling; watershed management; remote sensing and GIS; disaster and hazard mapping; soil and water conservation; machine learning in hydrometeorology; ecosystem services; valuation and biophysical modelling of ecosystem services; land use/land cover dynamics

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Guest Editor
Department of Water Technology, Duisburg-Essen University, 47057 Duisburg, Germany
Interests: water quality; water technology; water management; aquaculture engineering; aquatic statistical analytics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water scarcity, pollution, and climate-driven extremes pose urgent global challenges, demanding innovative solutions for sustainable management. This Special Issue of Water invites original research, reviews, and case studies on cutting-edge technologies and strategies to enhance water security, quality, and resilience. We aim to bridge gaps between research and practice by showcasing interdisciplinary approaches that address real-world water crises, from urban systems to agricultural and natural ecosystems.

The issue emphasizes practical advancements amid rapid urbanization, population growth, and environmental change. Potential topics include:

  • Advanced wastewater treatment and reuse technologies (e.g., membrane bioreactors, nanotechnology).
  • AI-driven water quality monitoring and predictive modeling.
  • Climate-resilient water infrastructure and flood/drought management.
  • Nature-based solutions for catchment restoration and groundwater recharge.
  • Policy frameworks and circular economy models for water resource optimization.
  • Remote sensing and IoT for real-time water resource assessment.

We welcome submissions that demonstrate scalability, cost-effectiveness, and environmental impact.

Dr. Dharmendra Kumar Meena
Dr. Pankaj Kumar
Prof. Dr. Mohammad Reza Ghomi
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized 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 2600 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

  • sustainable water management
  • wastewater treatment
  • water reuse technologies
  • AI water monitoring
  • climate-resilient infrastructure
  • nature-based solutions
  • groundwater recharge
  • remote sensing water
  • IoT water resources
  • flood management
  • drought mitigation
  • circular water economy
  • membrane bioreactors
  • nanotechnology water
  • predictive water modeling
  • urban water security
  • catchment restoration
  • water quality assessment
  • resource optimization
  • environmental water policy

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Published Papers (1 paper)

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Research

27 pages, 7398 KB  
Article
Regional Variability and Spatio-Temporal Dynamics of Groundwater Quality in the Western Himalayas: An Integrated WQI and Hydrochemical Assessment
by Kusum Pandey, Fenil Gandhi, Saurav Kumar, Chandan Roy, Vipul Anand, Nikola Milentijević, Milana Pantelić and Dragan Dolinaj
Water 2026, 18(13), 1602; https://doi.org/10.3390/w18131602 - 1 Jul 2026
Viewed by 875
Abstract
Groundwater is an essential freshwater resource in the Western Himalayas, where increasing anthropogenic pressure and environmental variability are raising concerns regarding groundwater quality and water security. However, regionally integrated assessments of groundwater-quality variability across the Western Himalayan states remain limited. This study evaluates [...] Read more.
Groundwater is an essential freshwater resource in the Western Himalayas, where increasing anthropogenic pressure and environmental variability are raising concerns regarding groundwater quality and water security. However, regionally integrated assessments of groundwater-quality variability across the Western Himalayan states remain limited. This study evaluates groundwater quality across Jammu and Kashmir, Himachal Pradesh, and Uttarakhand using groundwater-monitoring data obtained from the Central Ground Water Board (CGWB). A total of 338 observation wells monitored during 2019–2022 were analyzed using the weighted arithmetic Water Quality Index (WQI) based on Bureau of Indian Standards (BIS) and World Health Organization (WHO) drinking-water guidelines. Spatial and temporal variability were examined through hydrochemical, correlation, and geospatial analyses. The results reveal substantial regional and district-level variability in groundwater quality across the Western Himalayas. Groundwater in Himachal Pradesh and Uttarakhand is predominantly classified as excellent to good, whereas Jammu and Kashmir exhibit greater hydrochemical heterogeneity and localized groundwater deterioration. Elevated WQI values are concentrated within foothill and valley-transition districts, while high-altitude recharge zones generally maintain lower WQI values. Hydrochemical analyses indicate that groundwater-quality variability is primarily associated with mineralization processes, lithological controls, and localized anthropogenic influences. Temporal analysis further indicates moderate groundwater-quality improvement between 2019 and 2022, particularly in parts of Jammu and Kashmir. Overall, the findings demonstrate that groundwater systems across the Western Himalayas remain largely controlled by hydrogeological conditions but are increasingly modified by localized anthropogenic pressures. Strengthened groundwater monitoring, protection of recharge zones, and targeted management of vulnerable foothill and valley-transition environments will be essential for sustaining long-term water security in this climate-sensitive mountain region. Full article
(This article belongs to the Special Issue Freshwater Ecology and Sustainable Watershed Management)
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