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Advances in Remote Sensing in Coastal Geomorphology (Third Edition)
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Advances in Remote Sensing in Coastal Geomorphology (Third Edition)

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Remote Sensing in Geology, Geomorphology and Hydrology".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 6784

Special Issue Editors

Prof. Dr. José Juan de Sanjosé Blasco

E-Mail Website
Guest Editor
Department of Graphic Expression, Polytechnic School, University of Extremadura, 10003 Cáceres, Spain
Interests: geodesy; cartography; photogrammetry; cultural heritage; glacier movement; coastal regression
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Germán Flor-Blanco

E-Mail Website
Guest Editor
Department of Geology, Faculty of Geology, University of Oviedo, 33005 Oviedo, Spain
Interests: geology; estuaries; coastal and port management; dunes; beaches; coastal geomorphology; anthropocene
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Ramón Blanco Chao

E-Mail Website
Guest Editor
Department of Geography, Faculty of Geography and History, University of Santiago de Compostela, 15704 Santiago de Compostela, A Coruña, Spain
Interests: geomorphology; coastal geomorphology; rock coasts; beaches; dunes; late pleistocene; holocene
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wave actions along coasts cause continual geomorphological changes. Although many coastal areas consist of sparsely populated clifftops, almost half the world’s population lives in coastal regions, some of which depend upon “sun and beach” tourism. Large storms have become increasingly common, leading to coastal retreat. These carry a high risk of destruction, particularly of beaches and dunes close to these populated areas.

There are now many methods of remote detection available to record this information, such as satellite images or aerial photogrammetry, as well as others closer to land, in which geodesic–topographic, on-land photogrammetry, UAV, lidar, and TLS techniques are used. Depending on the methodology used, the precisions vary from metric to millimetric. The studies on newly emerging sectors are often linked to underwater dynamics, sedimentation, and morphology. There are other techniques applicable in the field of oceanography that facilitate data acquisition in underwater areas: mono- and multibeam echo sounders, acoustic Doppler profilers, seismic reflection, and sidescan sonar.

This Special Issue invites authors to submit scientific articles exploring or recording the evolution of both natural and inhabited areas of the shoreline through the use of remote sensors.

Prof. Dr. José Juan de Sanjosé Blasco
Prof. Dr. Germán Flor-Blanco
Prof. Dr. Ramón Blanco Chao
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. Remote Sensing 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 2700 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

  • geomatics techniques
  • coastal remote sensing
  • storm impact
  • coastal processes
  • coastal geomorphology
  • shoreline change
  • coastal erosion
  • sea level change
  • coastal and ports management
  • oceanography
  • anthropocene

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Related Special Issue

Published Papers (4 papers)

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17 pages, 17273 KiB  
Article
Monitoring Coastal Evolution and Geomorphological Processes Using Time-Series Remote Sensing and Geospatial Analysis: Application Between Cape Serrat and Kef Abbed, Northern Tunisia
by Zeineb Kassouk, Emna Ayari, Benoit Deffontaines and Mohamed Ouaja
Remote Sens. 2024, 16(20), 3895; https://doi.org/10.3390/rs16203895 - 19 Oct 2024
Viewed by 1038
Abstract
The monitoring of coastal evolution (coastline and associated geomorphological features) caused by episodic and persistent processes associated with climatic and anthropic activities is required for coastal management decisions. The availability of open access, remotely sensed data with increasing spatial, temporal, and spectral resolutions, [...] Read more.
The monitoring of coastal evolution (coastline and associated geomorphological features) caused by episodic and persistent processes associated with climatic and anthropic activities is required for coastal management decisions. The availability of open access, remotely sensed data with increasing spatial, temporal, and spectral resolutions, is promising in this context. The coastline of Northern Tunisia is currently showing geomorphic process, such as increasing erosion associated with lateral sedimentation. This study aims to investigate the potential of time-series optical data, namely Landsat (from 1985–2019) and Google Earth® satellite imagery (from 2007 to 2023), to analyze shoreline changes and morphosedimentary and geomorphological processes between Cape Serrat and Kef Abbed, Northern Tunisia. The Digital Shoreline Analysis System (DSAS) was used to quantify the multitemporal rates of shoreline using two metrics: the net shoreline movement (NSM) and the end-point rate (EPR). Erosion was observed around the tombolo and near river mouths, exacerbated by the presence of surrounding dams, where the NSM is up to −8.31 m/year. Despite a total NSM of −15 m, seasonal dynamics revealed a maximum erosion in winter (71% negative NSM) and accretion in spring (57% positive NSM). The effects of currents, winds, and dams on dune dynamics were studied using historical images of Google Earth®. In the period from 1994 to 2023, the area is marked by dune face retreat and removal in more than 40% of the site, showing the increasing erosion. At finer spatial resolution and according to the synergy of field observations and photointerpretation, four key geomorphic processes shaping the coastline were identified: wave/tide action, wind transport, pedogenesis, and deposition. Given the frequent changes in coastal areas, this method facilitates the maintenance and updating of coastline databases, which are essential for analyzing the impacts of the sea level rise in the southern Mediterranean region. Furthermore, the developed approach could be implemented with a range of forecast scenarios to simulate the impacts of a higher future sea-level enhanced climate change. Full article
(This article belongs to the Special Issue Advances in Remote Sensing in Coastal Geomorphology (Third Edition))
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19 pages, 4886 KiB  
Article
Evolution of Coastal Cliffs Characterized by Lateral Spreading in the Maltese Archipelago
by Luciano Galone, Federico Feliziani, Emanuele Colica, Enrique Fucks, Jesús Galindo-Zaldívar, Ritienne Gauci, Christopher Gauci, Guglielmo Grechi, Salvatore Martino, Lluís Rivero and Sebastiano D’Amico
Remote Sens. 2024, 16(16), 3072; https://doi.org/10.3390/rs16163072 - 21 Aug 2024
Cited by 1 | Viewed by 703
Abstract
The Maltese archipelago is renowned for its spectacular coasts, characterized by vertical cliffs and scree slopes. In the western sector of Malta and the eastern region of Gozo, a marly clay formation with ductile properties underlying a stiff limestone unit has led to [...] Read more.
The Maltese archipelago is renowned for its spectacular coasts, characterized by vertical cliffs and scree slopes. In the western sector of Malta and the eastern region of Gozo, a marly clay formation with ductile properties underlying a stiff limestone unit has led to relevant lateral spreading. Utilizing drone aerial photogrammetry, digital elevation models, and satellite imagery, we analyzed the ongoing geomorphological processes across five promontories, selected as case studies. Our analysis reveals a complex interaction between geological structures, Quaternary sea level fluctuations, and lateral spreading processes. Photogrammetric models show that once detached, blocks from the plateaus tend to topple and fall or experience subsidence and backtilting. At Rdum il-Qammieħ, fractures up to 250 m long and openings of up to 2 m were observed, while at Sopu, detached blocks exhibit subsidence of up to 50% and rotations nearing 60°. In all the studied promontories, rotational slides predominantly occur at the frontal sectors, while toppling mechanisms are more common along scarp-edged plateaus. The thickness ratio between the stiff and the ductile formation, ranging from 0.13 to 1.12, along with slope gradients between 10° and 41°, further influence the stability of these coastal features. We discuss the structural and sea level influences on Maltese coastal cliff development over the last 125 ky. We propose a conceptual model outlining the evolution of the Malta Graben promontories through a three-stage evolutionary model: proto-promontories, cliff demolition, and isolation. This model emphasizes the significant role of predisposing, preparatory, and triggering factors in the geomorphological evolution of the Maltese coastline. Our findings provide essential insights into the landscape changes in the Maltese archipelago and represent a useful tool for coastal management and hazard mitigation strategies. Full article
(This article belongs to the Special Issue Advances in Remote Sensing in Coastal Geomorphology (Third Edition))
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20 pages, 4583 KiB  
Article
Assessing Satellite-Derived Shoreline Detection on a Mesotidal Dissipative Beach
by Carlos Cabezas-Rabadán, Jaime Almonacid-Caballer, Javier Benavente, Bruno Castelle, Laura Del Río, Juan Montes, Jesús Palomar-Vázquez and Josep E. Pardo-Pascual
Remote Sens. 2024, 16(4), 617; https://doi.org/10.3390/rs16040617 - 7 Feb 2024
Cited by 1 | Viewed by 1750
Abstract
The accuracy and robustness of the shoreline definition from satellite imagery on different coastal types are crucial to adequately characterising beach morphology and dynamics. However, the generic and widespread application of satellite-derived shoreline algorithms is limited by the lack of robust methods and [...] Read more.
The accuracy and robustness of the shoreline definition from satellite imagery on different coastal types are crucial to adequately characterising beach morphology and dynamics. However, the generic and widespread application of satellite-derived shoreline algorithms is limited by the lack of robust methods and parameter assessments. This work constitutes a quantitative and comprehensive assessment of the satellite-derived waterlines from Sentinel-2 by using the novel SAET tool (Shoreline Analysis and Extraction Tool) on the exposed and mesotidal beach of La Victoria (Cádiz, SW Spain). The diverse parameters available in SAET, such as water indexes, thresholding methods, morphological filters, and kernel sizes, were combined to define water/land interface positions that were compared against coincident video-derived waterlines. Satellite-derived waterline errors are found to be affected by extraction parameters, as well as by the oceanographic and morphological conditions at the time of the image acquisition. The application of a morphological erosion filter on the water mask, which tends to shift the extracted waterline seawards and reduce bias, is the best solution at the dissipative site of La Victoria Beach. Moreover, using a 3 × 3 kernel size consistently shows higher accuracies than a larger kernel. Although there was no parameter combination showing the best skill for all dates, the employment of the Automated Water Extraction Index for images with no shadows (AWEInsh) with a threshold = 0, erosion morphological filter, and 3 × 3 kernel was, overall, the best combination of extraction parameters for this beach (average waterline RMSE of 5.96 m). The combination of the Modified Normalised Difference Water Index (MDNWI) with the Otsu thresholding also led to similar positions of the resulting waterlines and offered good accuracies. In line with other recent research efforts, our work stresses the lack of generic shoreline extraction solutions that can be applied automatically at a global level and the necessity to adapt and validate the extraction methodologies to the different types of coastlines. Full article
(This article belongs to the Special Issue Advances in Remote Sensing in Coastal Geomorphology (Third Edition))
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15 pages, 40498 KiB  
Technical Note
Diapiric Structures in the Tinto River Estuary (SW Spain) Caused by Artificial Load of an Industrial Stockpile
by Juan A. Morales, Berta M. Carro, José Borrego, Antonio J. Diosdado, María Eugenia Aguilar and Miguel A. González
Remote Sens. 2024, 16(8), 1465; https://doi.org/10.3390/rs16081465 - 20 Apr 2024
Viewed by 2435
Abstract
The mouth of the Tinto River is located on the southwest coast of the Iberian Peninsula in the northwest of the Gulf of Cadiz. The river flows into an estuarine system shared with the Odiel River, commonly known as the “Ría de Huelva”. [...] Read more.
The mouth of the Tinto River is located on the southwest coast of the Iberian Peninsula in the northwest of the Gulf of Cadiz. The river flows into an estuarine system shared with the Odiel River, commonly known as the “Ría de Huelva”. In the 1960s, a wide area of ancient salt marshes was transformed by a stockpile of industrial wastes of phosphogypsum, reaching a height of 35 m above the level of the salt marsh at its highest point. Two surveys using high-resolution seismic reflection in conjunction with a parametric profiler were carried out in 2016 and 2018. The purpose of these geophysical studies was the realization of a 3D model of the sedimentary units constituting the most recent filling of the estuary. The records present abundant extrusion structures located on the margins of the waste stockpiles, which break the visible stratification of the surficial units of the estuary. In some sectors, these structures have reached the estuarine surface and have, therefore, a morphological expression on the estuarine floor. The origin of these structures is interpreted as a vertical escape of fluidized sediments from lower units caused by overpressure from stacking. Full article
(This article belongs to the Special Issue Advances in Remote Sensing in Coastal Geomorphology (Third Edition))
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