Advances in Coastal Hydrodynamic and Morphodynamic Processes under a Changing Climate
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: 20 December 2024 | Viewed by 2771
Special Issue Editors
Interests: beach morphodynamics; coastal hydrodynamics; coastal engineering
Interests: beach morphology; coastal morphodynamics; coastal processes; climate change; coastal hydrodynamics; constrained beaches; mixed carbonatics and clastic beaches; sea level rise; coastal adaptation; wave hydrodynamics
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Special Issue Information
Dear Colleagues,
Currently, approximately 40% of the world’s population is located within 100 kilometers of the coast, making a significant contribution to the global economy (an estimated USD 1.5 trillion per year, which is expected to double by 2030). Beaches are one of the most dynamic environments on earth. Changes in beach morphology (morphodynamics) are based on complex process–response mechanisms operating at various spatio-temporal scales, which are not yet comprehensively understood. Simultaneously, beaches form the first line of defense against marine inundation and flooding, providing effective protection to the coastal populations, infrastructure assets, and the other coastal environments they front. Beach erosion is already threatening the livelihood and the economic activities of many coastal communities; this is a phenomenon that is expected to proliferate in the future under the anticipated changes in hydrodynamic forcing (mean and extreme sea levels). Thus, understanding beach morphodynamics and providing effective solutions for appropriate coastal protection schemes has now become an urgent issue.
This Special Issue aims to compile the latest, most fascinating research and innovative approaches in the field of beach morphodynamics, focusing on coastal resilience and sustainability. The submission of high-quality papers for publication is encouraged in order to disseminate the articles freely for research, teaching, and reference purposes.
Dr. Chatzipavlis Antonis
Dr. Simone Simeone
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
- coastal morphodynamics
- beach morphology
- coastal hydrodynamics
- climate change
- extreme sea levels
- mean sea level rise
- coastal processes
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Planned Papers
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title1: Monitoring of bar migration and its impact on swash dynamics on a dissipative beach with video imagery and field measurements
Abstract: In this contribution, the hydro-morphological behavior during energetic storm events of a microtidal dissipative beach that experiences erosional phenomena and is of high economic importance (Marmari beach, Kos island, Greece) is presented. The study focuses on the deposition and formation of the longshore sandbar under different recorded wind and wave conditions, while the evolution of the shoreline and the wave run-up maxima line is also investigated. To achieve that, a beach optical monitoring system (comprising of a video camera and a meteorological station) and a high frequency wave logger were deployed at the study area during the energetic winter-spring period. Pre and post-storm positions of the longshore sandbar and the shoreline are compared to investigate the storm impact on beach morphology, while swash maxima is examined in conjunction with the recorded waves approaching from offshore. Results suggest that the beach system showed significant spatio-temporal variability during the monitoring period. The position of the sandbar and the shoreline is controlled by the coastal hydrodynamic action (littoral drift), while a strong correlation is found when checking the distance between the shoreline and the sandbar.
Title2: Temporal scales of mass wasting sedimentation across the Mississippi River Delta Front delineated by 210Pb/137Cs Geochronology
Abstract: The Mississippi River Delta Front (MRDF) is a subaqueous apron of rapidly deposited and weakly consolidated sediment extending from the subaerial portions of the Birdsfoot Delta of the Mississippi River, long known to be characterized by mass-wasting sediment transport. Four (4) depositional environments dominate regionally (undisturbed topset apron, mudflow gully, mudflow lobe, and prodelta) centering around mudflow distribution initiated by a variety of factors (hurricanes, storms, Fluid pressure). In order to better understand spatial-temporal scales of events as well as controlling processes, eight 5.8 to 8.0 m cores taken from the South (SP) and Southwest Passes (SWP) were analyzed for gamma density, grain size, sediment fabric (X-radiography), and geochronology (210Pb/137Cs radionuclides). Building on other recent stud-ies, within the mudflow gully and lobe core, homogeneous, stepped profiles of 210Pb activities and corresponding decreased gamma density indicate the presence of gravity driven mass-failures. 210Pb/137Cs indicates gully sedimentary sediment accumulation since 1953 is greater than 580 cm (sediment accumulation rate [SAR] of 12.8 cm/y) in the Southwest Pass site, and lower SAR of S Pass gully sites (2.6 cm/y). This study shows that (1) recent dated mudflow deposits are identifiable in both the SWP and SP; (2) a SWP mudflows have return periods of 10.7 y, six times the return period at SP (66.7 y); (3) 210Pb inventories display higher levels overall in the SWP area with highest focusing factors in proximal/gully sedimentation, and (4) submarine landslides in both study areas remain important for sediment transfer despite differences is sediment delivery and discharge source proximity.
