Advances in River and Floodplain Interactions

A special issue of Hydrology (ISSN 2306-5338). This special issue belongs to the section "Surface Waters and Groundwaters".

Deadline for manuscript submissions: 15 June 2024 | Viewed by 3000

Special Issue Editors


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Guest Editor
Department of Geography, Environmental Science and Planning, University of Eswatini, Mbabane, Swaziland
Interests: hydrology; inundation; climate change and the environment; sediment dynamics and river morphology; soil erosion and scour

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Guest Editor
Department of Civil Engineering, National Pingtung University of Science and Technology, Pingtung, Taiwan
Interests: sediment transport; flooding; disaster mitigation; climate change; hydrology

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Guest Editor
Department of Soil and Water Conservation, National Chung Hsing University, Taichung City 40227, Taiwan
Interests: sediment transport; soil erosion and scour; dam breach; landslides; vegetation restoration; eco-hydrology; disaster mitigation
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Special Issue Information

Dear Colleagues,

River floodplains are essential in the function and ecology of rivers, such as in connecting living organisms, maintaining water quality, mitigating against floods, stabilizing riverbanks, etc. This makes understanding and modelling water movement between rivers and floodplains crucial for evaluating the quality of habitat for riverine biota, especially floodplain vegetation. Vegetation patterns along floodplains are vital for their conservation and restoration, subject to hydrological disturbances. Floodplains are usually inundated during periods of high flows or extreme flood events. Nowadays, emerging environmental issues such as climate change and global warming are threatening these ecosystems. Climate change is expected to worsen inundation in these areas, which may not only cause more damage to people and property in proximity but will cause disturbances to riverine biota. In addition, floodplain and ecosystem services are being compromised by river works in water supply, hydropower, and irrigation, among other demands, as part of meeting the needs of the ever-increasing population. These complexities call for international collaborations in research to better manage rivers and floodplains and their interactions.

Dr. Samkele Tfwala
Dr. Chingnuo Chen
Prof. Dr. Su-Chin Chen
Guest Editors

Manuscript Submission Information

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Keywords

  • river and floodplain interactions
  • river modelling
  • climate change and rivers
  • sediment transport
  • ecological response

Published Papers (2 papers)

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Research

18 pages, 3667 KiB  
Article
Influence of Floodplain Forest Structure on Overbank Sediment and Phosphorus Deposition in an Agriculturally Dominated Watershed in Iowa, USA
by Sierra Geer, William Beck, Emily Zimmerman and Richard Schultz
Hydrology 2024, 11(4), 57; https://0-doi-org.brum.beds.ac.uk/10.3390/hydrology11040057 - 19 Apr 2024
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Abstract
This study sought to estimate the potential impact of floodplain forest vegetation on sediment and phosphorus loading along the Iowa River in Iowa, USA. Thirty monitoring plots were established in forested conservation easements and similar public land along the Iowa River within the [...] Read more.
This study sought to estimate the potential impact of floodplain forest vegetation on sediment and phosphorus loading along the Iowa River in Iowa, USA. Thirty monitoring plots were established in forested conservation easements and similar public land along the Iowa River within the spatial extent of the two-, five-, and ten-year-flood return intervals. Within these plots, we examined the structure and cover of ground and overstory vegetation, as well as related metrics. Historic sediment and phosphorus fluxes were determined using a combination of sediment core extraction and tree ring analysis. The results show that deposition rates weakly correlate with tall grass and tall, medium, and short forb categories in the springtime but correlate with only short and medium grass and forb categories in late summer. Soil phosphorus concentration correlated weakly with overstory forest characteristics and springtime grass cover. Distance from the channel was negatively correlated with deposition. Overall, 4 to 50% (median = 15.5%) of the annual sediment load is represented by the deposition in adjacent floodplain forests. This study demonstrates the potential importance of floodplain easement forest vegetation in contributing to sediment and phosphorus attenuation during flood events. Full article
(This article belongs to the Special Issue Advances in River and Floodplain Interactions)
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22 pages, 34505 KiB  
Article
Modeling Large River Basins and Flood Plains with Scarce Data: Development of the Large Basin Data Portal
by Riham K. Abu-Saymeh, Adil Godrej and Kathleen A. Alexander
Hydrology 2023, 10(4), 87; https://0-doi-org.brum.beds.ac.uk/10.3390/hydrology10040087 - 06 Apr 2023
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Abstract
Hydrological modeling of large river basins and flood plains continues to be challenged by the low availability and quality of observed data for modeling input and model calibration. Global datasets are often used to bridge this gap, but are often difficult and time [...] Read more.
Hydrological modeling of large river basins and flood plains continues to be challenged by the low availability and quality of observed data for modeling input and model calibration. Global datasets are often used to bridge this gap, but are often difficult and time consuming to acquire, particularly in low resource regions of the world. Numerous calls have been made to standardize and share data to increase local basin modeling capacities and reduce redundancy in efforts, but barriers still exist. We discuss the challenges of hydrological modeling in data-scarce regions and describe a freely available online tool site developed to enable users to extract input data for any basin of any size. The site will allow users to visualize, map, interpolate, and reformat the data as needed for the intended application. We used our hydrological model of the Upper Zambezi basin and the Chobe-Zambezi floodplains to illustrate the use of this online toolset. Increasing access and dissemination of hydrological modeling data is a critical need, particularly among users where data requirements and access continue to impede locally driven management of hydrological systems. Full article
(This article belongs to the Special Issue Advances in River and Floodplain Interactions)
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