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Water
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Riverine Inputs into the Ocean—a Sedimentological and Geochemical Approach
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Riverine Inputs into the Ocean—a Sedimentological and Geochemical Approach

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 (27 February 2023) | Viewed by 2122

Special Issue Editor

Dr. Nuno Pimentel

E-Mail Website
Guest Editor
Geology Department, University of Lisbon, Lisboa, Portugal
Interests: sedimentology; basin analysis; geomporphology; geocommunication

Special Issue Information

Dear Colleagues,

The input of riverine freshwater into the open sea is a crucial contribution to the wealth of coastal environments. To understand this influence, detailed studies and models are needed. These studies include the dynamic analysis of water inputs and of sediment inputs, both being chemically reactive agents. Riverine water reaching the ocean is frequently highly processed by fluvial and estuarine processes and therefore may have very different geochemical properties. On the other hand, riverine sediments, with some important exceptions, are composed mainly of siliciclastic particles which are also not “inactive”. Bedload is usually quartzitic and chemically “neutral”, but suspended load has high reactivity and adsorption capabilities. This fact introduces important geochemical issues, which may affect the coastal environments and its ecosystems.

This Special Issue aims to gather original contributions about the influence of riverine inputs into the coastal environment. Case studies, either local or regional, as well as conceptual approaches or quantified models are welcome. Rivers and coasts from different latitudes and regional frameworks will also be important for understanding the relative weight of the climatic, geomorphic and geological factors.

Dr. Nuno Pimentel
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

  • riverine input
  • coastal environments
  • sedimentology
  • geochemistry

Published Papers (1 paper)

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Research

18 pages, 6851 KiB  
Article
Sand Spit Morphology at an Inlet on Phu Quoc Island, Vietnam
by Dinh Van Duy, Tran Van Ty, Tran Nhat Thanh, Huynh Vuong Thu Minh, Cao Van De, Vu Hoang Thai Duong, Trinh Cong Dan, Nguyen Trung Viet and Hitoshi Tanaka
Water 2023, 15(10), 1941; https://doi.org/10.3390/w15101941 - 20 May 2023
Cited by 2 | Viewed by 1857
Abstract
Tidal inlets with attached sand spits are a very common coastal landform. Since the evolution of sand spits along coastlines influence the social-economic development of local coastal areas, sand spits have become the objects of numerous studies. However, previous studies have mainly focused [...] Read more.
Tidal inlets with attached sand spits are a very common coastal landform. Since the evolution of sand spits along coastlines influence the social-economic development of local coastal areas, sand spits have become the objects of numerous studies. However, previous studies have mainly focused on sand spits that are usually in the scale of hundreds of meters in width, whilst knowledge about the evolution of smaller-scale sand spits still remains limited. Therefore, in this study, the morphological change of a small and unexplored sand spit in front of Song Tranh Inlet on the west coast of Phu Quoc Island, Vietnam is investigated. Satellite images are first used to observe the morphological change of the sand spit and calculate the longshore sediment transport rates (LSTR) along the sand spit. Waves and beach sediments are collected at the study site to calculate the longshore sediment transport rate using the CERC formula. It is found that there is a seasonal variation in the evolution of the sand spit at Song Tranh Inlet. The longshore sediment transport rates along the spit calculated by image analysis are 39,000 m3/year, 66,000 m3/year, and 40,000 m3/year, whilst the longshore sediment transport rate calculated by the CERC formula is 72,000 m3/year. This study aims to contribute to the methodology for investigating the evolutions of small sand spits and, specifically, sustainable coastal management for Phu Quoc Island, which is well-known as the Pearl Island of Vietnam. Full article
(This article belongs to the Special Issue Riverine Inputs into the Ocean—a Sedimentological and Geochemical Approach)
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