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Recent Advances in Estuarine Monitoring and Management
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Recent Advances in Estuarine Monitoring and Management

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Coastal Engineering".

Deadline for manuscript submissions: closed (5 May 2024) | Viewed by 2583

Special Issue Editors

Prof. Dr. Hitoshi Tanaka

E-Mail Website
Guest Editor
Institute of Liberal Arts and Sciences, Tohoku University, Sendai, Japan
Interests: hydraulic engineering; coastal engineering; river engineering; environmental hydraulics
Dr. Tran Van Ty

E-Mail Website
Co-Guest Editor
Faculty of Water Resource Engineering, College of Engineering, Can Tho University, Can Tho 94115, Vietnam
Interests: water resources engineering and management; environmental engineering; watershed management; coastal engineering; climate change and water; applied and computational mathematics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent advancements in field measurement techniques, as well as progress in numerical simulation and physical modelling methods, have enabled the creation of more detailed and comprehensive monitoring and management of estuaries. These advancements have diverse practical applications, including flood control, navigation channel maintenance, and addressing environmental issues. The aim of this special issue is to bring together a diverse group of leading researchers from around the world. Potential topics include, but are not limited to: river mouth morphology, coastal erosion, sedimentation, environmental changes, salt intrusion, geology, and remote sensing.

Prof. Dr. Hitoshi Tanaka
Dr. Tran Van Ty
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. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly 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

  • river mouth morphology
  • coastal erosion
  • sedimentation
  • environmental changes
  • salt intrusion
  • geology
  • remote sensing

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

27 pages, 12927 KiB  
Article
Coastal Erosion Dynamics and Protective Measures in the Vietnamese Mekong Delta
by Tran Van Ty, Dinh Van Duy, Lam Tan Phat, Huynh Vuong Thu Minh, Nguyen Truong Thanh, Nguyen Thi Ngoc Uyen and Nigel K. Downes
J. Mar. Sci. Eng. 2024, 12(7), 1094; https://doi.org/10.3390/jmse12071094 - 28 Jun 2024
Viewed by 540
Abstract
The dynamic shifts in shorelines due to erosion and deposition have become a significant challenge in coastal zone management, particularly in the context of climate change and rising sea levels. This paper evaluates the shoreline protection and efficiency of various wave-reducing breakwaters in [...] Read more.
The dynamic shifts in shorelines due to erosion and deposition have become a significant challenge in coastal zone management, particularly in the context of climate change and rising sea levels. This paper evaluates the shoreline protection and efficiency of various wave-reducing breakwaters in the Vietnamese Mekong Delta. The delta exemplifies the coastal erosion issue faced by deltas worldwide. Landsat satellite images were used to establish a coastal development map for the period 2000 to 2022. The wave data in front and behind the breakwaters were analyzed to assess the wave reduction efficiency of various breakwater structures. Our results reveal that coastal erosion is deeply concerning, with almost 40% of the coastline experiencing severe erosion. Hotspot areas have been observed to reach annual erosion rates of nearly 95 m per year. The majority of provinces have adopted protective measures, with 68% of affected shorelines protected to some degree. Our results show breakwaters to be highly effective in reducing wave height, with a 62% reduction in waves reaching the shore. The process of creating offset has taken place in the area from the breakwater back to the mainland, with the rate of increase in compensation also quite fast at up to 3.1 cm/month. The stability of the pile–rock is very high; however, it is necessary to add rock to compensate for the settlement of the rock part. Full article
(This article belongs to the Special Issue Recent Advances in Estuarine Monitoring and Management)
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32 pages, 22133 KiB  
Article
Developing Functional Recharge Systems to Control Saltwater Intrusion via Integrating Physical, Numerical, and Decision-Making Models for Coastal Aquifer Sustainability
by Yehia Miky, Usama Hamed Issa and Wael Elham Mahmod
J. Mar. Sci. Eng. 2023, 11(11), 2136; https://doi.org/10.3390/jmse11112136 - 9 Nov 2023
Cited by 2 | Viewed by 1097
Abstract
Controlling the hydraulic heads along a coastal aquifer may help to effectively manage saltwater intrusion, improve the conventional barrier’s countermeasure, and ensure the coastal aquifer’s long-term viability. This study proposed a framework that utilizes a decision-making model (DMM) by incorporating the results of [...] Read more.
Controlling the hydraulic heads along a coastal aquifer may help to effectively manage saltwater intrusion, improve the conventional barrier’s countermeasure, and ensure the coastal aquifer’s long-term viability. This study proposed a framework that utilizes a decision-making model (DMM) by incorporating the results of two other models (physical and numerical) to determine proper countermeasure components. The physical model is developed to analyze the behavior of saltwater intrusion in unconfined coastal aquifers by conducting two experiments: one for the base case, and one for the traditional vertical barrier. MODFLOW is used to create a numerical model for the same aquifer, and experimental data are used to calibrate and validate it. Three countermeasure combinations, including vertical barrier, surface, and subsurface recharges, are numerically investigated using three model case categories. Category (a) model cases investigate the hydraulic head’s variation along the aquifer to determine the best recharge location. Under categories (b) and (c), the effects of surface and subsurface recharges are studied separately or in conjunction with a vertical barrier. As a pre-set of the DMM, evaluation and classification ratios are created from the physical and numerical models, respectively. The evaluation ratios are used to characterize the model case results, while the classification ratios are used to classify each model case as best or worst. An analytical hierarchy process (AHP) as a DMM is built using the hydraulic head, salt line, repulsion, wedge area, and recharge as selection criteria to select the overall best model case. According to the results, the optimum recharging location is in the length ratio (LR) from 0.45 to 0.55. Furthermore, the DMM supports case3b (vertical barrier + surface recharge) as the best model case to use, with a support percentage of 48%, implying that this case has a good numerical model classification with a maximum repulsion ratio (Rr) of 29.4%, and an acceptable wedge area ratio (WAR) of 1.25. The proposed framework could be used in various case studies under different conditions to assist decision-makers in evaluating and controlling saltwater intrusion in coastal aquifers. Full article
(This article belongs to the Special Issue Recent Advances in Estuarine Monitoring and Management)
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