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Coastal Evolution and Erosion under Climate Change
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Coastal Evolution and Erosion under Climate Change

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 (25 October 2024) | Viewed by 1925

Special Issue Editor

Prof. Dr. Kyu-Han Kim

E-Mail Website
Guest Editor
Department of Civil Engineering, Catholic Kwandong University, Gangwon, Gangneung 641-28, Republic of Korea
Interests: sediment transport; coastal hydraulics; nearshore environment; coastal protection; natural hazard countermeasures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Although coastal erosion has been an important research topic for a long time, it is still difficult to provide a clear solution. Moreover, sea level rise due to climate change increases the frequency of high wave invasion, increasing the likelihood of large-scale coastal topographic changes and coastal erosion. In addition, climate change is becoming more severe and its impact on coastal ecosystems is increasing, so it is necessary to prepare for this. 

In this Special Issue, various areas related to beach deformation and coastal erosion are discussed as major topics in the face of climate change, as well as the impact of climate change on the coast, including natural disasters, damage prediction, coastal management and conservation measures. We would like to cover the following broad topics:

  • Coastal response and resilience to climate change;
  • Modeling of coupled systems that address coastal erosion, inundation and/or sea level rise;
  • Nowcast/forecast modeling systems that can capture coastal erosion, inundation and/or sea level rise;
  • Wave and sediment transport modeling to evaluate coastal erosion issues;
  • Effects of sea level rise on the resilience of coastal zones;
  • Water quality issues that arise due to coastal erosion or sea level rise in the coastal transition zone;
  • Machine learning or data assimilation that incorporates coastal sedimentation;
  • Coastal erosion and countermeasures.

Prof. Dr. Kyu-Han Kim
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. 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

  • coastal erosion
  • climate change
  • coastal resilience
  • coastal morphodynamics
  • super typhoons
  • harbor siltation
  • high swell

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Published Papers (4 papers)

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Research

19 pages, 10986 KiB  
Article
A Study on the Effects of Morphological Changes Due to the Construction of Multiple Coastal Structures
by Kyu-Tae Shim and Kyu-Han Kim
J. Mar. Sci. Eng. 2024, 12(12), 2174; https://doi.org/10.3390/jmse12122174 - 28 Nov 2024
Viewed by 127
Abstract
The study area was Anin Beach, where a 1.48-km-long breakwater, consisting of a non-porous caisson, was constructed over 16 months. During this process, significant erosion occurred over a wide area behind the coast, with a maximum reduction in the beach width of 36 [...] Read more.
The study area was Anin Beach, where a 1.48-km-long breakwater, consisting of a non-porous caisson, was constructed over 16 months. During this process, significant erosion occurred over a wide area behind the coast, with a maximum reduction in the beach width of 36 m observed in the central part of the coastline. As a countermeasure to prevent erosion, a submerged breakwater was installed that consisted of concrete blocks and had a length of 600 m. Following the implementation of this submerged breakwater, the beach behind it increased in width by 64 m, in proportion to the installation length, while erosion phenomena, such as the loss of coastal roads, were observed at both ends of the structure. In this study, the topographical changes caused by waves and currents were analyzed to identify their causes and establish countermeasures. Additionally, the planned measures, established before structure installation, were closely examined against the actual occurrences observed onsite through a coastline survey. Full article
(This article belongs to the Special Issue Coastal Evolution and Erosion under Climate Change)
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17 pages, 7457 KiB  
Article
An Assessment of the Tipping Point Behavior for Shoreline Retreat: A PCR Model Application at Vung Tau Beach, Vietnam
by Xiaoting Wang, Ali Dastgheib, Johan Reyns, Fan Li, Trang Minh Duong, Weiguo Zhang, Qinke Sun and Roshanka Ranasinghe
J. Mar. Sci. Eng. 2024, 12(12), 2141; https://doi.org/10.3390/jmse12122141 - 24 Nov 2024
Viewed by 360
Abstract
Storm waves and rising sea levels pose significant threats to low-lying coastal areas, particularly sandy beaches, which are especially vulnerable. The research on the long-time-scale changes in sandy coasts, especially the identification of tipping points in the shoreline-retreat rate, is limited. Vung Tau [...] Read more.
Storm waves and rising sea levels pose significant threats to low-lying coastal areas, particularly sandy beaches, which are especially vulnerable. The research on the long-time-scale changes in sandy coasts, especially the identification of tipping points in the shoreline-retreat rate, is limited. Vung Tau beach, characterized by its low terrain and rapid tourism-driven economic growth, was selected as a typical study area to quantify the shoreline retreat throughout the 21st century under various sea-level rise (SLR) scenarios, and to identify the existence of tipping points by investigating the projected annual change in shoreline retreat (m/yr). This study employs the Probabilistic Coastline Recession (PCR) model, a physics-based tool specifically designed for long-term coastline change assessments. The results indicate that shoreline retreat accelerates over time, particularly after a tipping point is reached around 2050 in the SSP1-2.6, SSP2-4.5, and SSP5-8.5 scenarios. Under the SSP5-8.5 scenario, the median retreat distance is projected to increase from 19 m in 2050 to 89 m by 2100, nearly a fourfold rise. In comparison, the retreat distances are smaller under the SSP1-2.6 and SSP2-4.5 scenarios, but the same accelerating trend is observed beyond 2050. These findings highlight the growing risks associated with sea-level rise, especially the rapid increase in exceedance probabilities for retreat distances by the end of the century. By 2100, the probability of losing the entire beach at Vung Tau is projected to be 22% under SSP5-8.5. The approach of identifying tipping points based on the PCR model presented here can be applied to other sandy coastal regions, providing critical references for timely planning and the implementation of adaptation measures. Full article
(This article belongs to the Special Issue Coastal Evolution and Erosion under Climate Change)
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14 pages, 10922 KiB  
Article
Assessment of Beach Erosion Vulnerability in the Province of Valencia, Spain
by Pablo Ortiz, Isabel López and José Ignacio Pagán
J. Mar. Sci. Eng. 2024, 12(12), 2111; https://doi.org/10.3390/jmse12122111 - 21 Nov 2024
Viewed by 358
Abstract
This research analyses beach vulnerability to erosion along the coast of Valencia province, Spain. The Coastal Vulnerability Index (CVI) is used to assess vulnerability, considering the following variables: beach width, beach erosion/accretion rate, dune width, wave height, relative coastal flood level, submerged vegetation, [...] Read more.
This research analyses beach vulnerability to erosion along the coast of Valencia province, Spain. The Coastal Vulnerability Index (CVI) is used to assess vulnerability, considering the following variables: beach width, beach erosion/accretion rate, dune width, wave height, relative coastal flood level, submerged vegetation, upper depth limit of submerged vegetation, and percentage of vegetated dune. The results show that vulnerability varies significantly along the coast. The vulnerability assessment revealed that 26.9% of the coastal sections were classified as having very low susceptibility to erosion, 34.5% as low, 22.3% as moderate, 12% as high, and 4.3% as very high. Urbanized areas with reduced dunes are more vulnerable than natural areas with wide beaches and well-developed dunes. The study highlights and discusses limitations of the CVI method and suggests using the mean instead of the square root to calculate the overall vulnerability index due to the influence of one single variable in this formula. It is concluded that natural areas characterized by the presence of dunes exhibit a diminished vulnerability to erosion when compared to highly urbanized regions devoid of dunes and marine vegetation. Full article
(This article belongs to the Special Issue Coastal Evolution and Erosion under Climate Change)
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16 pages, 18726 KiB  
Article
The Recent and Submerged Tombolos—Unique Phenomena on the Adriatic Sea
by Čedomir Benac, Neven Bočić, Lara Wacha, Lovro Maglić and Igor Ružić
J. Mar. Sci. Eng. 2024, 12(9), 1575; https://doi.org/10.3390/jmse12091575 - 6 Sep 2024
Viewed by 475
Abstract
Prvić Island (Kvarner area in the NE channel part of the Adriatic Sea) is a part of the Natura 2000 protected area network. A recent tombolo is located on the SW coast of Prvić Island, and much larger submerged tombolos are located on [...] Read more.
Prvić Island (Kvarner area in the NE channel part of the Adriatic Sea) is a part of the Natura 2000 protected area network. A recent tombolo is located on the SW coast of Prvić Island, and much larger submerged tombolos are located on the shoal towards the south. Both phenomena are unique to the Croatian coast of the Adriatic Sea. The inland part of the tombolo was surveyed using an Unmanned Aerial Vehicle, and a 3D point cloud was created using Structure from Motion with Multi-View Stereo photogrammetry. The body of the talus breccia behind the tombolo has a triangular form. Large collapsed rocky blocks form the cape vertex. This cape is in a state of equilibrium in the present oceanographic conditions but might be eroded due to predicted rises in sea level. The submarine zone was explored using scuba-diving equipment and Remotely Operated Vehicles. A large triangle-shaped shoal consists of flysch. Parallel vertical sandstone layers that look like artificially built walls are more than a hundred metres long. The carbonate breccia is located at the end of the shallow zone. The conditions for the final formation of the submerged shoal were created during the sea level stagnation in the Holocene. Full article
(This article belongs to the Special Issue Coastal Evolution and Erosion under Climate Change)
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