2019
DOI: 10.3390/jmse7030073
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Mesoscale Morphological Changes of Nearshore Sand Banks since the Early 19th Century, and Their Influence on Coastal Dynamics, Northern France

Abstract: Tidal sand banks are common along the coast of northern France facing the North Sea, where they form linear shore-parallel or slightly oblique sand bodies from shallow coastal areas to depths of tens of meters. Hydrographic surveys have been carried out since the 1830s for mapping the seabed of the coastal zone. An analysis of the bathymetry evolution shows significant morphological changes have occurred across the shoreface since the early 19th century, largely due to cross-shore and longshore sand bank migra… Show more

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Cited by 9 publications
(6 citation statements)
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“…Three-dimensional bathymetric models, which are investigated in this article, are fundamental for many purposes: the spatial representation of the seabed morphology allows for the development of studies such as those on navigation safety [30], coastal dynamics [31], sea ecosystems [32], seagrass meadows mapping [33], port dredging [34], infrastructure projects [35], etc.…”
Section: Introductionmentioning
confidence: 99%
“…Three-dimensional bathymetric models, which are investigated in this article, are fundamental for many purposes: the spatial representation of the seabed morphology allows for the development of studies such as those on navigation safety [30], coastal dynamics [31], sea ecosystems [32], seagrass meadows mapping [33], port dredging [34], infrastructure projects [35], etc.…”
Section: Introductionmentioning
confidence: 99%
“…Differential bathymetry has been used in different analyses in water bodies, such as in the margins of reservoirs, river slopes, and coastal areas (for example, [36][37][38][39][40]). It is noteworthy that most of the analyses are performed with extensive bathymetric databases.…”
Section: Differential Bathymetrymentioning
confidence: 99%
“…However, due to the limited number of historical records in the analyzed region, we have only the bathymetric records corresponding to the initial and final monitoring of the techniques. Another important observation is that vertical errors can be induced at the time of bathymetric occurrences, for waves at the margins, which may be responsible for some random elevation variations [39].…”
Section: Differential Bathymetrymentioning
confidence: 99%
“…Other types of long-term datasets incorporating a measurement of shoreline position have emerged and are mainly derived from satellite observations beginning from the late 1970s (Mentaschi et al, 2018). Extracting shoreline position or geomorphic information from historical maps and vertical aerial photos, however, remains the only way to produce datasets extending over several decades (Fellowes et al, 2021;Talavera et al, 2021;Thomas et al, 2011;Tõnisson et al, 2012) and in some cases for more than one century (Latapy et al, 2019(Latapy et al, , 2020Pollard et al, 2020).…”
Section: Introductionmentioning
confidence: 99%