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Water, Volume 17, Issue 8

April-2 2025 - 133 articles

Cover Story: Floating photovoltaic (FPV) systems play an important role in energy transition. Yet, so far, not much is known about the effects of FPV systems on water quality and ecology. A sun-tracking FPV system (24% coverage) was installed on a shallow drinking water reservoir. We observed for the first time that benthic cyanobacteria (blue-green algae), which can deteriorate water quality by producing toxins and taste and odour compounds, developed massively under the FPV system, while macrophytes and benthic algae, such as Chara (stonewort), mostly disappeared. Calculations of light availability explain this shift. In addition, the impacts on several other aquatic organisms and water quality parameters were studied. Overall, these new insights can aid water managers and governmental institutions in assessing the risks of FPV systems on water quality and the ecology of inland waters. View this paper
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Articles (133)

  • Article
  • Open Access
1,691 Views
24 Pages

20 April 2025

Water allocation under uncertainty remains a critical challenge in water-scarce regions. This study presents an integrated water allocation model that explicitly incorporates uncertainty through stochastic streamflow simulations and addresses multipl...

  • Article
  • Open Access
1,582 Views
17 Pages

20 April 2025

In this study, an effective composite material, manganese-modified magnetic dual-sludge biochar (Mn@MDSBC), was developed for the adsorption of ciprofloxacin hydrochloride (CIP). This composite was prepared by means of a simple one-pot method, which...

  • Article
  • Open Access
2 Citations
797 Views
17 Pages

20 April 2025

The systematic evaluation of the water environment in the Yellow River basin is a critical scientific basis for achieving the goals of ecological protection and high-quality development. In this study, a five-dimensional comprehensive evaluation fram...

  • Article
  • Open Access
3 Citations
2,644 Views
16 Pages

Investigating the Spatiotemporal Variation in Extreme Precipitation Indices in Iran from 1990 to 2020

  • Ebrahim Fattahi,
  • Saeedeh Kamali,
  • Ebrahim Asadi Oskouei and
  • Maral Habibi

20 April 2025

This study examines the spatiotemporal characteristics of extreme precipitation indices in Iran. It analyzes data from 38 synoptic stations across the country, covering the period from 1990 to 2020, focusing on the 11 most common extreme precipitatio...

  • Article
  • Open Access
2,264 Views
17 Pages

The Use of Membrane Processes in Manganese Removal from Drinking Water

  • Ján Ilavský,
  • Danka Barloková and
  • Michal Prosňanský

20 April 2025

This article deals with the removal of manganese from water via ultrafiltration and the oxidation of manganese with chlorine dioxide or potassium permanganate before ultrafiltration. The dose of oxidizing agents, time of contact with water, and manga...

  • Article
  • Open Access
1,173 Views
17 Pages

20 April 2025

Water quality in urban streams is critical for the health of aquatic and human life, as it impacts both the environment and water availability. The strong impacts of changing climate and land use on water quality necessitate a better understanding of...

  • Article
  • Open Access
2 Citations
5,189 Views
32 Pages

Trends in Coral Reef Habitats over Two Decades: Lessons Learned from Nha Trang Bay Marine Protected Area, Vietnam

  • Nguyen Trinh Duc Hieu,
  • Nguyen Hao Quang,
  • Tran Duc Dien,
  • Vo Thi Ha,
  • Nguyen Dang Huyen Tran,
  • Tong Phuoc Hoang Son,
  • Tri Nguyen-Quang,
  • Tran Thi Thuy Hang and
  • Ha Nam Thang

19 April 2025

Coral reefs are well known for their diversity and value, providing habitats for a third of marine species within just 0.2% of the ocean. However, these natural habitats face significant threats and degradation, leading to unresolved issues related t...

  • Article
  • Open Access
1,151 Views
18 Pages

19 April 2025

Perfluorinated and polyfluoroalkyl substances (PFASs), as an emerging type of pollutant, always pollute water quality to a certain extent. The occurrence, source, and risk of PFASs in the Fuyang River are not well understood. For the first time, the...

  • Article
  • Open Access
554 Views
17 Pages

Combining Fluorescent Organic Substances, Ions, and Oxygen-18 to Trace Diverse Water Sources of River Flow in a Hilly Catchment

  • Zhi-Xiang Sun,
  • Yan-Ting Ao,
  • Jun-Fang Cui,
  • Xiao-Yu Li,
  • Xiang-Yu Tang,
  • Jian-Hua Cheng and
  • Lu Chen

19 April 2025

Reliable identification of river hydrograph separation is crucial for prioritizing water source areas to be protected from pollution. A field study was carried out in a hilly catchment with diverse land uses, located in Southwest China. A novel water...

  • Article
  • Open Access
2 Citations
1,008 Views
20 Pages

A Single-Objective Optimization of Water Quality Sensors in Water Distribution Networks Using Advanced Metaheuristic Techniques

  • Seyed Amir Saman Siadatpour,
  • Zohre Aghamolaei,
  • Jafar Jafari-Asl and
  • Abolfazl Baniasadi Moghadam

19 April 2025

This paper explores the intersection of water quality management and advanced metaheuristic algorithms (MAs) by optimizing the location of water quality sensors in urban water networks. A comparative analysis of ten cutting-edge MAs, Harris Hawk Opti...

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Water - ISSN 2073-4441