Bridging the Gaps: Hydrological Research for Sustainable River Management

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

Deadline for manuscript submissions: 20 February 2025 | Viewed by 4964

Special Issue Editor


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Guest Editor
Kitami Institute of Technology, Kitami, Hokkaido, Japan
Interests: river; flow; hydrology; modeling; machine learning

Special Issue Information

Dear Colleagues,

As Guest Editors of the Special Issue “Bridging the Gaps: Hydrological Research for Sustainable River Management”, we welcome you to submit new research articles related to the investigation of hydrological and river systems. This Special Issue aims to explore the challenges and opportunities presented to rivers in the face of a shifting climate, evolving human demands, and an ever-changing landscape. Moreover, this Special Issue also aims to illuminate potential threats like intensifying floods, dwindling water resources, and ecosystem disruptions. In brief, this Special Issue strives to enhance the knowledge and foresight we require to safeguard these vital arteries of life, ensuring their continued health and resilience for generations to come. In addition, this Special Issue aspires to navigate the uncharted waters of the future, guiding us towards a world in which rivers continue to flow freely, nourishing life and sustaining our planet's delicate balance.

Dr. Mohamad Basel Al Sawaf
Guest Editor

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Keywords

  • river modeling and prediction
  • climate change impacts
  • adaptation and flood mitigation

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Published Papers (4 papers)

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Research

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17 pages, 9449 KiB  
Article
Long-Term Changes in the Thermal and Ice Regime of the Biebrza River (Northeastern Poland) in the Era of Global Warming
by Mariusz Ptak, Salim Heddam, Soufiane Haddout, Mariusz Sojka and Teerachai Amnuaylojaroen
Water 2024, 16(22), 3211; https://doi.org/10.3390/w16223211 - 8 Nov 2024
Viewed by 467
Abstract
In the context of ongoing environmental changes, particularly against the backdrop of global warming, significant attention is being given to areas of exceptional natural value that, in many aspects, retain a pristine character. One such area is the Biebrza River in northeastern Poland, [...] Read more.
In the context of ongoing environmental changes, particularly against the backdrop of global warming, significant attention is being given to areas of exceptional natural value that, in many aspects, retain a pristine character. One such area is the Biebrza River in northeastern Poland, which, together with the wetlands in its basin, forms one of the most valuable ecosystems of its kind in Europe. This study analyses the changes in the thermal and ice regime for two hydrological stations, Sztabin and Burzyn, in the period from 1959 to 2023. It was found that the average annual water temperature in this period for the Biebrza River increased by 0.28 °C/decade, and in the case of ice phenomena, statistically significant changes for both stations showed a decline, with an acceleration of the ice cover disappearance by an average of 3 days/decade. These recorded changes should be considered unfavourable, as they will affect the transformation of both the biotic and abiotic characteristics of the river itself, as well as the natural elements associated with it. Full article
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27 pages, 33588 KiB  
Article
Peri-Urban Floodscapes: Identifying and Analyzing Flood Risk Areas in North Bhubaneswar in Eastern India
by Priyanka Mishra, Damodar Jena, Rakesh Ranjan Thakur, Sasmita Chand, Babar Javed and Anoop Kumar Shukla
Water 2024, 16(21), 3019; https://doi.org/10.3390/w16213019 - 22 Oct 2024
Viewed by 1147
Abstract
Peri-urban catchment areas are increasingly susceptible to floods due to rapid land use transformations and unplanned urban expansion. This study comprehensively examines flood vulnerability in the rapidly developing peri-urban areas of North Bhubaneswar, focusing on significant changes in Land Use/Land Cover (LULC) and [...] Read more.
Peri-urban catchment areas are increasingly susceptible to floods due to rapid land use transformations and unplanned urban expansion. This study comprehensively examines flood vulnerability in the rapidly developing peri-urban areas of North Bhubaneswar, focusing on significant changes in Land Use/Land Cover (LULC) and hydrological dynamics from 2004 to 2024, utilizing Geographic Information System (GIS) tools. The analysis reveals substantial shifts in land use patterns, with the urban footprint expanding by 71.8%, cropland decreasing by 21.7%, and forest areas by 13.6%. These changes have led to increased impervious surfaces, resulting in higher surface runoff and decreased groundwater recharge, thereby exacerbating flood risks in the region. The GRID-based vulnerability analysis classifies 90 villages within the catchment area based on their vulnerability levels, identifying 20 villages as high-risk areas requiring urgent attention, 44 villages as medium vulnerable, and 26 villages as low vulnerable. These classifications are based on factors such as proximity to drainage networks, slope, geomorphology, and LULC characteristics, with areas near drainage channels and low-lying regions being prone to flooding. The analysis integrates multiple factors to provide a comprehensive assessment of flood risk, highlighting the need for sustainable land use planning, conservation of vegetated areas, and the implementation of advanced flood prevention strategies in the peri-urban areas. Extending this research to other fringe regions could offer further valuable insights, guiding flood prevention and sustainable development strategies for areas undergoing significant land use transformations to effectively mitigate future flood risks. Full article
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26 pages, 16641 KiB  
Article
An Experimental Study of Flow and Turbulence Properties near the Rising Sector Gate Mouth Considering the Gate Opening with a PIV Measuring System
by Chang Geun Song, Sung Won Park and Jaehyun Shin
Water 2024, 16(20), 3004; https://doi.org/10.3390/w16203004 - 21 Oct 2024
Viewed by 549
Abstract
Hydraulic structures, such as movable weir gates, are widely installed in rivers and streams for various purposes. Among these is the rising sector gate, which is the focus of this study. This research investigated how different gate openings affect flow velocity and turbulence [...] Read more.
Hydraulic structures, such as movable weir gates, are widely installed in rivers and streams for various purposes. Among these is the rising sector gate, which is the focus of this study. This research investigated how different gate openings affect flow velocity and turbulence distributions at the gate mouth. A hydraulic analysis of flow and turbulence characteristics near the mouth of a rising sector gate model was conducted through laboratory experiments with various flow conditions and gate openings utilizing a Particle Image Velocimetry (PIV) system. Experimental tests were carried out with two gate-opening angles (30 and 45 degrees). The PIV measurements revealed significant variations in flow velocity and turbulence properties in response to the gate openings and flow conditions. Notably, in the vicinity of the gate mouth, where the flow regime changes rapidly between the upstream and downstream regions, the turbulence properties in the upstream part of the gate mouth were more than twice those in the downstream part. Additionally, the streamwise distribution of depth-averaged relative turbulence intensity was analyzed. The results showed that the depth-averaged relative turbulence intensity decreased by nearly half as the gate opening increased from 30 to 45 degrees, with the lowest values observed at the gate mouth, followed by an increase downstream. A functional relationship between the maximum flow velocity at the gate mouth during underflow operation and the Froude number was established to guide practical gate operation in the field. Full article
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Review

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30 pages, 2600 KiB  
Review
Selection, Planning, and Modelling of Nature-Based Solutions for Flood Mitigation
by James Griffiths, Karine E. Borne, Annette Semadeni-Davies and Chris C. Tanner
Water 2024, 16(19), 2802; https://doi.org/10.3390/w16192802 - 1 Oct 2024
Cited by 1 | Viewed by 2294
Abstract
The use of nature-based solutions (NBSs) for hazard mitigation is increasing. In this study, we review the use of NBSs for flood mitigation using a strengths, weaknesses, opportunities, and threats (SWOT) analysis framework for commonly used NBSs. Approaches reviewed include retention and detention [...] Read more.
The use of nature-based solutions (NBSs) for hazard mitigation is increasing. In this study, we review the use of NBSs for flood mitigation using a strengths, weaknesses, opportunities, and threats (SWOT) analysis framework for commonly used NBSs. Approaches reviewed include retention and detention systems, bioretention systems, landcover and soil management, river naturalisation and floodplain management, and constructed and natural wetlands. Existing tools for identification and quantification of direct benefits and co-benefits of NBSs are then reviewed. Finally, approaches to the modelling of NBSs are discussed, including the type of model and model parameterisation. After outlining knowledge gaps within the current literature and research, a roadmap for development, modelling, and implementation of NBSs is presented. Full article
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