Water

Sustainable Wastewater Treatment and the Circular Economy—2nd Edition

edited by

submission deadline 20 May 2026 | 7 articles | Viewed by 26763 | Submission Open

Keywords: wastewater treatment; circular economy; biomass waste; resource recovery; green chemistry; thermal conversion; anaerobic process; aerobic process

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Microplastics Pollution in Aquatic Environments

edited by

Xueqiang Lu

and Chengtao Li

submission deadline 20 May 2026 | 4 articles | Viewed by 13424 | Submission Open

Keywords: microplastics; ecotoxicology; aquatic systems; detection; mitigation strategies

(This special issue belongs to the Section Biodiversity and Functionality of Aquatic Ecosystems)

Application of Artificial Intelligence in Hydraulic Engineering, 2nd Edition

edited by

Lin Cheng

,

Chunhui Ma

and

Jie Yang

submission deadline 20 May 2026 | 10 articles | Viewed by 11750 | Submission Open

Keywords: artificial intelligence; hydraulic engineering; safety monitoring; mechanism and data fusion; numerical simu-lation

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Intelligent Safety Diagnosis and Reinforcement of Water-Related Buildings

edited by Yangtao Li,

Yang Wei

and Hao Gu

submission deadline 20 May 2026 | 7 articles | Viewed by 10086 | Submission Open

Keywords: dams; breakwaters and reservoirs; hydraulic structures; hydropower refurbishment; smart diagnosis; structural safety; hydraulic rehabilitation; dike & coastal defense safety; intelligent management & reinforcement; machine learning & deep learning

(This special issue belongs to the Section Hydraulics and Hydrodynamics)

Coupled Numerical Modeling of Groundwater Flow and Surface Water Interactions

edited by

Shengchao Yu

and

Xiaolang Zhang

submission deadline 20 May 2026 | 6 articles | Viewed by 6621 | Submission Open

Keywords: numerical modeling; aquifer characterization; hydrogeology; hydrochemistry; groundwater hydrology; groundwater flow; solute (reactive) transport; surface water and groundwater interactions

(This special issue belongs to the Section Hydrogeology)

Biodegradation Strategies for Sustainable Removal of Persistent Pollutants and Xenobiotics in Wastewater Treatment

edited by

Mohd Faheem Khan

submission deadline 20 May 2026 | 2 articles | Viewed by 5384 | Submission Open

Keywords: xenobiotics; emerging pollutants; PFAS; toxic heavy metals; biodegradation; biotransformation; catalysis; clean-up enzymes and their engineering and immobilization; biofilms; wastewater treatment

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Research on the Carbon and Water Cycle in Aquatic Ecosystems

edited by Kun Sun and Junjie Jia

submission deadline 20 May 2026 | 5 articles | Viewed by 5286 | Submission Open

Keywords: aquatic ecosystem; inland water; carbon cycle; carbon budget; carbon metabolism; biogeochemistry; ecohydrology; greenhouse gas emission

(This special issue belongs to the Section Ecohydrology)

Global Water Resources Management

edited by

Miklas Scholz

submission deadline 20 May 2026 | 4 articles | Viewed by 5260 | Submission Open

Keywords: sustainability; water resource engineering; agricultural water management; nature-based solution; wastewater treatment; integrated constructed wetland; storm water management; climate change adaptation; water conservation strategies; Internet of Things; sensors for water management

(This special issue belongs to the Section Water Resources Management, Policy and Governance)

Agricultural Water and Land Resources Planning and Management: Challenges and Endeavors

edited by

Qingling Geng

, Zhihui Tian and Lijie Shi

submission deadline 20 May 2026 | 3 articles | Viewed by 5223 | Submission Open

Keywords: water resources; land resources; agricultural water use; water and land resource matching; agricultural water and land resource management; optimal allocation; climate change; sustainable management; resource carrying capacity

(This special issue belongs to the Section Water Resources Management, Policy and Governance)

Climate Change Impacts on Water Resources and Ecosystem Dynamics in Mountainous and Cold-Region Ecosystems

edited by Terry V. Callaghan CMG

submission deadline 20 May 2026 | 4 articles | Viewed by 4266 | Submission Open

Keywords: water resources and water use; biodiversity; climate changes; cold regions; mountainous regions; ecosystems; ecosystem services and feedback; human impact; population

(This special issue belongs to the Section Ecohydrology)

Application of Remote Sensing and GIS in Prediction Hydrogeological Hazards

edited by Abolghasem Sadeghi-Niaraki and

Seyed Vahid Razavi-Termeh

submission deadline 20 May 2026 | 2 articles | Viewed by 3170 | Submission Open

Keywords: hydrological hazards; spatial modeling; geographic information systems (GISs); remote sensing; flood prediction; drought monitoring; geospatial artificial intelligence (GeoAI); climate change impacts

(This special issue belongs to the Section Hydrogeology)

Pesticides in Water and Health

edited by

Li Chen

and Wenjun Zhang

submission deadline 20 May 2026 | 1 articles | Viewed by 2729 | Submission Open

Keywords: pesticide; bioaccumulation; toxicological assessment; health risk assessment; in vitro; in vivo

(This special issue belongs to the Section Water and One Health)

Impact of Biochar Additions on Soil Hydraulic Properties

edited by Peizhen Zhang

submission deadline 20 May 2026 | 1 articles | Viewed by 1389 | Submission Open

Keywords: soil hydraulic properties; biochar characteristic; soil water retention; water-saving irrigation; soil pore characteristics

(This special issue belongs to the Section Soil and Water)

Sustainable Treatment for Emerging Contaminations in Offshore Aquaculture Tailwater

edited by

Wei Song

and Bingzhi Liu

submission deadline 20 May 2026 | 1 articles | Viewed by 1115 | Submission Open

Keywords: emerging contaminations; offshore aquaculture tailwater; aquaculture effluent; ECs treatment technology; waste resource utilization

(This special issue belongs to the Section Water, Agriculture and Aquaculture)

Engineering Hydrogeology Research Related to Mining Activities, 2nd Edition

edited by Wei Qiao and Bo Li

submission deadline 20 May 2026 | 1 articles | Viewed by 762 | Submission Open

Keywords: mechanism of water inrush; prediction of mine water hazard; intelligent warning and monitor of mine water hazard; mine water injection and storage; mine water reinjection and geological storage; mine inflow; evolution of groundwater flow field; water inrush from separate layer; research on rock dynamics with fluid– structure coupling

(This special issue belongs to the Section Hydrogeology)

Applied Artificial Intelligence and Advanced Sensing for Real-World Water Quality Monitoring

edited by

Juan Tomás García-Bermejo

and

Daniel Carreres Prieto

submission deadline 20 May 2026 | 1 articles | Viewed by 483 | Submission Open

Keywords: water quality; pathogens; cyanobacteria; machine learning; indirect characterization; prediction; detection; environmental monitoring; sensors; big data

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Alternative Sources for Urban Water Supply

edited by

Cristina Santos

,

Cristina Matos

and Ana Poças

submission deadline 20 May 2026 | Viewed by 258 | Submission Open

Keywords: alternative water sources; urban water supply strategies; groundwater; surface water; use of seawater; rainwater harvesting; greywater reuse; treated wastewater reuse

(This special issue belongs to the Section Urban Water Management)

Emerging Materials (Membranes, Adsorbents, Catalysts) for Wastewater Treatment

edited by

Titus Chinedu Egbosiuba

submission deadline 20 May 2026 | Viewed by 220 | Submission Open

Keywords: adsorption technologies; catalytic processes; membrane technology; water purification; advanced materials; pollutant removal; environmental remediation; sustainable wastewater treatment

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Soil and Groundwater Quality and Resources Assessment, 3rd Edition

edited by

Wanjun Jiang

,

Yizhi Sheng

and Hairu Mao

submission deadline 22 May 2026 | 1 articles | Viewed by 842 | Submission Open

Keywords: multiple contaminants; source apportionment; migration– transformation; ecological health risks; soil– groundwater system

(This special issue belongs to the Section Soil and Water)

Global Perspective on Hydrology and Water Resources Management in Complex Urban Areas

edited by Jingyuan Xue, Liuyue He and

Fan Zhang

submission deadline 25 May 2026 | 3 articles | Viewed by 8544 | Submission Open

Keywords: water resources management; climate change resilience; water quality control; integrated water resource planning; non-point source pollution; flood risk assessment and mitigation; drought risk assessment and mitigation; urban– rural transitional areas; coastal regoins

(This special issue belongs to the Section Hydrology)

Wastewater-Based Epidemiology (WBE) Research, 2nd Edition

edited by

Peng Du

and

Phong K. Thai

submission deadline 25 May 2026 | 2 articles | Viewed by 5166 | Submission Open

Keywords: new biomarkers for WBE; new applications of WBE; early warning of infectious disease; monitoring substances of abuse; method uncertainties; health risk assessments

(This special issue belongs to the Section Water and One Health)

Advances in Metal Removal and Recovery from Water

edited by

Xiande Xie

submission deadline 25 May 2026 | 2 articles | Viewed by 3653 | Submission Open

Keywords: wastewater treatment; water treatment; metal pollution removal; metal recovery; absorption; heavy metal

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Water Pollution Control and Ecological Restoration: 2nd Edition

edited by

Ruiming Han

and Xin Leng

submission deadline 25 May 2026 | 2 articles | Viewed by 2105 | Submission Open

Keywords: water pollution; ecological restoration; lake and river; water quality; aquatic ecology

(This special issue belongs to the Section Water Quality and Contamination)

Advancing the Monitoring and Modelling of Freshwater Systems with New Remote Sensing Technologies, 2nd Edition

edited by

Karl-Erich Lindenschmidt

submission deadline 25 May 2026 | 1 articles | Viewed by 1708 | Submission Open

Keywords: airborne remote sensing; flood forecasting; fluvial geomorphology; ice detection; ice characterization; near-ground remote sensing; river and lake modelling; river and lake monitoring; sediment transport; space-borne remote sensing; water quality

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Integrative Methodologies for Mountain Torrent Disaster Resilience: Bridging Physical Modeling, Artificial Intelligence, and Multi-Scale Monitoring

edited by Yi Liu and Jun Guo

submission deadline 25 May 2026 | 1 articles | Viewed by 1601 | Submission Open

Keywords: mountain torrent resilience; physical process modeling; AI-assisted forecasting; multi-scale monitoring; data assimilation; early warning systems; disaster risk reduction

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Recent Advances in Photocatalysis in Water and Wastewater Treatment

edited by

Monica Brienza

and

Laura Scrano

submission deadline 30 May 2026 | 3 articles | Viewed by 5081 | Submission Open

Keywords: photocatalysis; wastewater reuse; decentralized treatment; low-cost water treatment; AOPs; adsorption; water scarcity; agricultural irrigation; process optimization; sustainable water management

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Mine Water Environment and Remediation

edited by

Zhimin Xu

,

Ge Chen

and Li Zhang

submission deadline 31 May 2026 | 3 articles | Viewed by 2189 | Submission Open

Keywords: mine water environment; mine water quality; typical pollutants; treatment and utilization; pollution remediation; mine water reinjection

(This special issue belongs to the Section Hydrogeology)

Application of Machine Learning in Hydrologic Sciences, 2nd Edition

edited by

Gonzalo Astray

and

Diego Fernández-Nóvoa

submission deadline 31 May 2026 | 2 articles | Viewed by 1308 | Submission Open

Keywords: hydrology; water cycle; water– soil– atmosphere; machine learning; big data; monitoring/modelling/prediction/optimization/management; water flow/quality/supply/energy; risk/hazard assessment; multidisciplinary water research

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Advances and Major Achievements in China’s Digital Twin River Basin Development

edited by

Yesen Liu

,

Yueqin Zhu

and

Yaohuan Huang

submission deadline 31 May 2026 | 1 articles | Viewed by 1110 | Submission Open

Keywords: China; digital twin hydrology; knowledge graph; large language model; virtual simulation; satellite remote sensing; flood control; water resources; water network

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Urban Stormwater Control, Utilization and Treatment, 2nd Edition

edited by

,

,

and

submission deadline 31 May 2026 | 1 articles | Viewed by 889 | Submission Open

Keywords: stormwater control; low-impact development; numerical simulation; analytical probabilistic approach; stormwater treatment; rainwater harvesting; SWMM; sponge city; stormwater quality; urban flooding

Research on Wetland Ecohydrology

edited by

Qiang Liu

and

Yanfeng Wu

submission deadline 31 May 2026 | Viewed by 315 | Submission Open

Keywords: Wetland ecohydrology; drought; carbon source/sink; Wetland resilience; hydrological regime; evapotranspiration; Habitat; biodiversity

(This special issue belongs to the Section Ecohydrology)

Microbiomics in Wastewater Remediation and Biomedical Applications

edited by

Binghan Xie

and Dan Song

submission deadline 31 May 2026 | Viewed by 237 | Submission Open

Keywords: microbiomics; wastewater treatment; biomedical applications; microbial communities; therapeutic targets; cancer microbiome

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Advances in the Application of Environmental Tracer Technology in Agricultural Water and Soil Management

edited by

Kashif Akhtar

and

Misbah Naz

submission deadline 31 May 2026 | Viewed by 182 | Submission Open

Keywords: environmental tracers; stable isotopes; nutrient cycling; irrigation management; soil– water interactions

(This special issue belongs to the Section Soil and Water)

Water Quality, Wastewater Treatment and Water Recycling, 2nd Edition

edited by Memory Tekere

submission deadline 10 Jun 2026 | 4 articles | Viewed by 4331 | Submission Open

Keywords: water quality; emerging contaminants; treatment processes; water reuse; SDG6.3; waste effluent valorisation; innovations; advanced technology; pathogens; AI in wastewater issues

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Water Resources Allocation, Planning, and Regulation for Sustainable Management

edited by

Carina Almeida

submission deadline 10 Jun 2026 | 3 articles | Viewed by 2569 | Submission Open

Keywords: water resources management; water allocation; planning and regulation; climate change adaptation; integrated approaches; water governance; sustainability

(This special issue belongs to the Section Water Resources Management, Policy and Governance)

Heavy Metal Pollution and Removal in the Water Environment

edited by Asmat Ali

submission deadline 10 Jun 2026 | Viewed by 669 | Submission Open

Keywords: heavy metals; water pollution; wastewater treatment; bioaccumulation; ecotoxicology; removal technologies; environmental health

(This special issue belongs to the Section Water Quality and Contamination)

Groundwater Environmental Risk Perception

edited by Jin Wu,

Jiao Li

and Quanwei Song

submission deadline 15 Jun 2026 | 3 articles | Viewed by 6833 | Submission Open

Keywords: groundwater environmental risk; groundwater pollution; advanced technologies; risk assessment model; risk perception; multivariate data

(This special issue belongs to the Section Hydrogeology)

Advanced Water Management for Sustainable Aquaculture

edited by

Dezhao Liu

submission deadline 15 Jun 2026 | 2 articles | Viewed by 3050 | Submission Open

Keywords: water quality monitoring; recirculating aquaculture systems (RAS); precision aquaculture; nutrient remediation; biofloc technology; aquaponics; integrated multi-trophic aquaculture (IMTA); aquaculture wastewater; sustainable intensification

(This special issue belongs to the Section Water, Agriculture and Aquaculture)

Advanced Materials for the Catalytic Removal of Emerging Pollutants from Water

edited by

Martina Kocijan

,

Ivna Kavre Piltaver

and Robert Peter

submission deadline 15 Jun 2026 | 2 articles | Viewed by 2711 | Submission Open

Keywords: photocatalysis; wastewater treatment; advanced oxidation technologies; green and sustainable catalysis; heterojunction; structure modification; structure characterization; visible light application; degradation mechanism investigation; environmental application; technology scale-up

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Research on Microplastic Pollution in Water and Soil Environment

edited by

Kai Cai

and Taoze Liu

submission deadline 20 Jun 2026 | 3 articles | Viewed by 17974 | Submission Open

Keywords: microplastic detection; microplastic abundance; plastic additives composition; ecolog-ical risk; environmental risk; water and soil environment

(This special issue belongs to the Section Soil and Water)

Global Water Risks Across Shared River Corridors in Transboundary Basins

edited by

Shahbaz Khan

,

Arfan Arshad

,

Fazlullah Akhtar

and Zaichen Xiang

submission deadline 20 Jun 2026 | 7 articles | Viewed by 14215 | Submission Open

Keywords: transboundary river basins; water governance; capacity development; remote sensing; ML/AI tools; water quality and quantity; land-water dynamics; flood and droughts; land cover changes; outlook at shared aquifers

(This special issue belongs to the Section Hydrology)

Advances in Extreme Hydrological Events Modeling

edited by Majid Mirzaei

submission deadline 20 Jun 2026 | 6 articles | Viewed by 14047 | Submission Open

Keywords: extreme hydrological events; extreme precipitation; frequency analysis; drought; floods; climate change impacts; uncertainty analysis; data assimilation; hydrological modeling; machine learning; deep learning

(This special issue belongs to the Section Water and Climate Change)

Risk Assessment and Mitigation for Water Conservancy Projects

edited by

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,

and

submission deadline 20 Jun 2026 | 6 articles | Viewed by 7424 | Submission Open

Keywords: dams; dikes; water diversion projects; risk; seepage; overtopping; breach; consequences; management

(This special issue belongs to the Section Hydraulics and Hydrodynamics)

Machine Learning Models for Hydrological Inference: A Case Study for Flood Events

edited by

Li Zhou

submission deadline 20 Jun 2026 | 4 articles | Viewed by 6860 | Submission Open

Keywords: development and optimization of machine learning models for flood prediction and early warning; multi-source data fusion and remote sensing applications in flood monitoring; hydrological response modeling under extreme rainfall conditions; interpretability; transferability; and uncertainty quantification of machine learning models; small-sample learning and transfer learning in data-scarce regions; hybrid modeling approaches that integrate physical-based and machine learning models; case studies and system-level applications of machine learning in real-world flood management contexts

(This special issue belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)

Advanced Wastewater Treatment Technologies with the Potential to Achieve Resource Recycling

edited by

Kinjal J. Shah

and

Yongjun Sun

submission deadline 20 Jun 2026 | 2 articles | Viewed by 6230 | Submission Open

Keywords: water conservation; sustainable water management; efficient water use; water-saving technologies; water resource preservation; climate-resilient water systems; community water stewardship

(This special issue belongs to the Section Wastewater Treatment and Reuse)

Numerical Modeling of Hydrodynamics and Sediment Transport

edited by

Xin Chen

,

Huabin Shi

and Hongjie Wen

submission deadline 20 Jun 2026 | 6 articles | Viewed by 6125 | Submission Open

Keywords: numerical modeling; hydrodynamics; sediment transport; computational fluid dynamics (CFD); multiphase flow; turbulence modeling; erosion and deposition; river morphology; coastal engineering

(This special issue belongs to the Section Water Erosion and Sediment Transport)

Spatial Linkages Between Geographical Environments and Health Indicators: From Water Quality Parameters to Regional Health Status

edited by

Zihao Wu

submission deadline 20 Jun 2026 | 4 articles | Viewed by 4384 | Submission Open

Keywords: environmental health biomarkers; spatial heterogeneity; regional health disparities; pollutant transport and transformation; health risk assessment; environmental medicine interdisciplinarity

(This special issue belongs to the Section Water Quality and Contamination)

Advancements in Remote Sensing and UAV Technologies for Water Management in Climate-Smart Agriculture Systems

edited by