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Water
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Fluvial Sediment and Geomorphology
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Fluvial Sediment and Geomorphology

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Erosion and Sediment Transport".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 3898

Special Issue Editor

Dr. Riccardo Rainato

E-Mail Website
Guest Editor
Department of Land, Environment, Agriculture and Forestry, University of Padova, Padova, Italy
Interests: fluvial sediment transport; bedload; suspended load; fluvial morphology; mountain streams

Special Issue Information

Dear Colleagues,

Characteristics of fluvial sediment can strongly influence the forms and processes of river systems. Particularly, micro- and macro-roughness, bedform configuration, sediment transport processes, establishment and propagation of riparian vegetation, and response to flood events are only some of the factors controlled by the typology and characteristics of fluvial sediment. These aspects are also largely reflected in the morphology exhibited by fluvial systems, which are experiencing significant pressures induced by ongoing climate change and anthropic impacts.  In light of that, this Special Issue welcomes submissions that investigate the relationship between sediment and fluvial systems, with particular attention to the implication for fluvial morphology and processes. All types of rivers systems will be considered, with particular interest in field analysis realized at any temporal and spatial scale.

Dr. Riccardo Rainato
Guest Editor

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 100 words) can be sent to the Editorial Office for announcement on this website.

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-blind 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

  • fluvial sediment
  • fluvial morphology
  • fluvial processes
  • sediment transport
  • climate change

Published Papers (2 papers)

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Research

21 pages, 4470 KiB  
Article
A Method for Calculating Water Demand for Sediment Transport Based on the Principles of River Dynamics
by Lin Hou, Hongwu Zhang, Linqi Li, Junchi Zhao and Xiji Li
Water 2023, 15(19), 3514; https://doi.org/10.3390/w15193514 - 8 Oct 2023
Viewed by 1183
Abstract
Sufficient water is pivotal in maintaining the stability of boundaries in sandy river systems. However the current methodologies employed for computing the water demand for sediment transport in rivers frequently neglect this component. This research utilizes data spanning 1960 to 2020 from seven [...] Read more.
Sufficient water is pivotal in maintaining the stability of boundaries in sandy river systems. However the current methodologies employed for computing the water demand for sediment transport in rivers frequently neglect this component. This research utilizes data spanning 1960 to 2020 from seven principal hydrological stations located in the lower Yellow River to establish the correlation between key factors pertaining to the sediment transport capacity of flow. A closed equation system was established based on the principles of river dynamics to solve unknown hydraulic parameters. Finding a suitable hydraulic geometric relationship equation as a supplementary equation is a key step in constructing a closed equation system. The findings indicate that sediment transport water demands are 71.79, 133.24, 226.89, 286.12, and 313.6 × 108 m3, respectively, when sediment inflow is at 1, 2, 4, 6, and 8 × 108 t, with a bankfull discharge of 4000 m3/s. As the sediment inflow diminishes and the unit water demand for sediment transport increases, the sediment transport efficiency of the lower Yellow River reduces. The outcomes of this research can serve as a foundation for the joint operation of the Yellow River’s main and branch reservoirs, as well as for designing water resource allocation schemes within the basin. Full article
(This article belongs to the Special Issue Fluvial Sediment and Geomorphology)
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19 pages, 4434 KiB  
Article
Geochemistry of Metals and Organic Matter in Water and Sediments of the Karst River Cetina, Croatia
by Krešimir Maldini, Neven Cukrov, Kristina Pikelj, Natalija Matić and Marina Mlakar
Water 2023, 15(7), 1429; https://doi.org/10.3390/w15071429 - 6 Apr 2023
Cited by 1 | Viewed by 2384
Abstract
The Cetina River Basin (CRB) belongs to a Dinaric karst area (Croatia). According to the obtained results on water and sediment quality, the Cetina River reaches the sixth goal of Sustainable Development (source of drinking water). Together with the CRB water quality assessment, [...] Read more.
The Cetina River Basin (CRB) belongs to a Dinaric karst area (Croatia). According to the obtained results on water and sediment quality, the Cetina River reaches the sixth goal of Sustainable Development (source of drinking water). Together with the CRB water quality assessment, it was confirmed that sediments undoubtedly contribute to the purification of watercourses from trace metals as well as organic matter. In 5 years, water samples were collected at 20 sampling sites and sediment samples were collected at 18 sampling sites. The fresh water of the Cetina River belongs to the hydrocarbonate type due to its lithology. The concentrations of the measured elements in the sediments, normalized to Al, are an indicator of possible pressures affecting the ecosystem of the river. According to the Principal Component Analysis (PCA) for elements in sediments, Principal Component 1 (PC1) describes the geogenic origin of the elements, while Principal Component 2 (PC2) describes positive values reflecting anthropogenic pressures (Total Nitrogen, TN; and Total Phosphorus, TP). Depending on element composition, the factor scores related to PC1 and PC2 resulted in four different groups of sites. The first three groups of sediments showed geological impact, while the fourth group was partially anthropogenic in origin. The hierarchical cluster analysis showed four clusters in relation to the content of the elements. Cluster analysis of all elements and the Total Organic Carbon (TOC) in the sediments showed grouping in only two clusters, the first cluster consisting of Ca, and the second of TOC with other elements. Full article
(This article belongs to the Special Issue Fluvial Sediment and Geomorphology)
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