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Sediment Deposition (Natural and Artificial Nourishment) in Coastal and Riverine Environments

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 (31 March 2023) | Viewed by 5419

Special Issue Editors

Dr. Joaquim Pais-Barbosa

E-Mail Website
Guest Editor
Departamento de Física e Centro de Estudos do Ambiente e do Mar (CESAM), Campus de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal
Interests: coastal and transitional water planning and management; coastal morpho- and hydrodynamics; integrated coastal spatial planning; satellite oceanography; coastal overtopping and flooding; GIS and remote sensing
Special Issues, Collections and Topics in MDPI journals
Dr. Diogo Mendes

E-Mail Website
Guest Editor
HAEDES, Casais do Arrocho, 2025-452 Azóia de Cima, Portugal
Interests: coastal engineering; nature-based solutions; beach nourishment; morphodynamic modelling; field observations; infragravity waves

Special Issue Information

Dear Colleagues,

Worldwide, coastal and riverine environments are very dynamic areas, with high biodiversity and rapid morphological changes, but are also under high anthropogenic pressure. Sediment dynamics is an important subject in such areas, and it can be a key issue in the equilibrium, protection, leisure, and social-economic activities in coastal and riverine environments. Sediment planning and management, the study of sediment dynamics and new solutions considering the circular economy, and nature-based infrastructures, are essential to prevent their degradation and increase their resilience to anthropogenic pressure and climate change.

In this regard, it is important to disseminate the most up-to-date scientific knowledge on sediment planning, management, and dynamics in coastal and riverine environments. Thus, this Special Issue invites significant research on in situ and remote sensing sediment monitoring (natural and/or artificial), coastal and riverine natural deposition and artificial nourishment, coastal and riverine erosion and morphodynamics, coastal and riverine dredging, climate change effects, novel solutions considering the circular economy, nature-based infrastructures, and decision support systems. Case studies addressing a specific challenge are particularly welcome, but analytical, physical, and numerical modelling contributions will also be considered.

Dr. Joaquim Pais-Barbosa
Dr. Diogo Mendes
Guest Editors

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

  • coastal and riverine and environment
  • natural deposition
  • artificial nourishment
  • natural based infrastructures/solutions
  • sediment dynamics
  • monitoring (in situ and remote sensing)
  • dredging works

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Published Papers (2 papers)

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Research

26 pages, 4411 KiB  
Article
Reconstruction of Paleoenvironment and Paleoclimate of the Neogene Guantao Formation in the Liaodong Sub-Uplift of Bohai Bay Basin in China by Sedimentary Geochemistry Methods
by Maolin Wang, Yuanhua Qing, Zheyuan Liao, Yuefeng Li, Sheng Li, Zhengxiang Lv, Shijun Ni, Jin Fang, Song Tang and Yawen Yang
Water 2022, 14(23), 3915; https://doi.org/10.3390/w14233915 - 1 Dec 2022
Cited by 5 | Viewed by 2693
Abstract
The paleosedimentary environment and paleoclimate of the Neogene Guantao Formation in the Liaodong sub-uplift of Bohai Bay Basin in China, which is an important oil and gas exploration horizon, are not clear owing to the lack of quantitative analysis. The paleosedimentary environment and [...] Read more.
The paleosedimentary environment and paleoclimate of the Neogene Guantao Formation in the Liaodong sub-uplift of Bohai Bay Basin in China, which is an important oil and gas exploration horizon, are not clear owing to the lack of quantitative analysis. The paleosedimentary environment and paleoclimate can be qualitatively or semi-quantitatively reconstructed by sedimentary geochemical indicators sensitive to the environment and climate. Based on the evaluation of whether the elements and isotopes can effectively record paleosedimentary environment and paleoclimate information or not, the paleoclimate (temperature and humidity), paleoenvironment (salinity, water depth, redox conditions), and evolution of the paleoenvironment and paleoclimate are studied by analyzing the trace elements, carbon and oxygen isotopes, strontium isotopes, whole-rock mineral compositions, and clay minerals of mudstones of the Guantao Formation in the Liaodong sub-uplift, Bohai Bay Basin. The study results show that (1) according to the trace element distribution patterns, high concentrations of continental elements (Ti, Zr, Th), clay minerals, and detrital content, the Guantao Formation is a product of proximal deposits, and the provenance mainly originates from the intermediate–acidic magmatic rocks near surrounding uplifts. (2) The paleoclimate during the sedimentation of the Guantao Formation was mainly semi-arid and semi-humid, as revealed by the Sr/Cu ratio. However, the high Rb/Sr and 87Sr/86Sr ratios demonstrate that the paleoclimate is relatively warm and humid. (3) The paleosedimentary temperature calculated by the Sr content and δ18O is roughly 30 °C, indicating that the Guantao Formation was deposited in a subtropical to tropical climate. (4) The Guantao Formation was deposited in continental freshwater according to the Li, Ni, and Sr content, Sr/Ba ratios, 87Sr/86Sr ratios, and salinity index Z. (5) The water depth of the paleoenvironment of the Guantao Formation is mainly in nearshore shallow water, reflected by the Mn/Ti ratio and calculated by the Co content, and the oxidizing condition of the paleoenvironment of the Guantao Formation, reflected by the U/Th, V/Cr, and Ni/Co ratios, is in a good coupling relationship with this environment. (6) As revealed by the variations in the geochemical data in the section, the temperature, humidity, and water depth of the Guantao Formation gradually increased from the early to late period, while the salinity gradually decreased, and the chemical weathering effect gradually increased. Full article
(This article belongs to the Special Issue Sediment Deposition (Natural and Artificial Nourishment) in Coastal and Riverine Environments)
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17 pages, 4095 KiB  
Article
Morphological Evolution Characteristics of River Cross-Sections in the Lower Weihe River and Their Response to Streamflow and Sediment Changes
by Chaohui Ma, Dexun Qiu, Xingmin Mu and Peng Gao
Water 2022, 14(21), 3419; https://doi.org/10.3390/w14213419 - 27 Oct 2022
Cited by 5 | Viewed by 2289
Abstract
River cross-section morphology and water and sediment conditions are deeply connected. In recent years, the lower Wei River has experienced regular flooding and drastic changes in river channel shape, causing significant harm to the economy and development of the lower reaches. This research [...] Read more.
River cross-section morphology and water and sediment conditions are deeply connected. In recent years, the lower Wei River has experienced regular flooding and drastic changes in river channel shape, causing significant harm to the economy and development of the lower reaches. This research investigated the morphological evolution features based on annual extensive cross-section data and water and sediment data from the hydrological stations of Xianyang, Lintong, and Huaxian in the lower Weihe River from 2006 to 2018 of river cross-sections and the reaction to water and sediment variations. The findings indicated that the lower Wei River’s cross-sectional alterations between 2006 and 2018 exhibited a trend of “flushing at both ends and siltation in the middle” while continuing to exhibit “non-flood flushing and flood siltation” features. The incoming sediment coefficient in the lower Weihe River declined dramatically, whereas the median diameter of suspended sediment particles grew significantly at the Lintong station. The average elevation of the river channel was highly synchronized with the change in the coming sediment coefficient, and the impact of big floods dramatically influenced the shape of the river cross-section. Human activities such as river management have directly affected the morphology of the river cross-section at Lintong station and caused a significant increase in the median diameter of suspended sediment particles, resulting in siltation in the Lintong river. The study’s findings can serve as a theoretical foundation for water and sediment regulation and river training in the lower Weihe River, reducing flooding damage. Full article
(This article belongs to the Special Issue Sediment Deposition (Natural and Artificial Nourishment) in Coastal and Riverine Environments)
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