Coasts, Coastlines, Shores, and Shorelines

Mohan, Ram K.; Short, Andrew D.; Cambers, Gillian; MacLeod, M.; Cooper, J. A. G.; Mörner, Nils‐Axel; Otvos, Ervin G.; West, Niels; Trenhaile, Alan S.; Sunamura, Tsuguo; Inman, Douglas L.; Jenkins, Scott A.; Graber, Peter H. F.; Thom, B. G.; Cowell, P. J.; Scott, David B.; Greenland, David; Gelfenbaum, Guy; Wang, Shin; Lakhan, V. Chris; Clifton, H. Edward; Finkl, Charles W.; Chen, Zhongyuan; Rybczyk, John; Maul, George A.; Barua, Dilip K.; Guth, Peter L.; Nir, Yaacov; Healy, Terry R.; French, Peter; Bird, Eric; Oertel, George F.; Shrestha, Parmeshwar L.; Blumberg, Alan F.; May, Vincent; Niedoroda, Alan W.; Sheppard, Charles; Muller‐Parker, Gisèle; Hopley, David; Seymour, Richard J.; Osborne, Philip D.; Simpson, David P.; Craig-Smith, Stephen J.

doi:10.1007/1-4020-3880-1_94

Cited by 1 publication

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“…However, the terms 'coastline' and 'shoreline' have been used interchangeably in coastal research [9][10][11]. Mohan et al (2005) [12] suggests a differentiation of the terms 'coastline' and 'shoreline' by scale, where 'coastline' describes the land-water boundary at regional to global scales, while 'shoreline' marks the precise boundary between the shore and the water. In this paper, 'coastline' will refer to the annual mean high-water boundaries on large scale, while 'shoreline' will be utilized for single acquisition waterlines on smaller scales.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, anthropogenic climate change is already contributing to global mean sea level rise, which is projected to be a major cause of coastal erosion in the future [5,26]. Natural coastal accretion on the other hand most commonly occurs at deltaic coasts, where large quantities of fluvial sediment get distributed along the coast through littoral drift [12]. Energetic breaking waves, coastal landslides, and rockfall, as well as tidal flat formation, may also temporally prograde coastlines [12].…”

Section: Introductionmentioning

confidence: 99%

“…Natural coastal accretion on the other hand most commonly occurs at deltaic coasts, where large quantities of fluvial sediment get distributed along the coast through littoral drift [12]. Energetic breaking waves, coastal landslides, and rockfall, as well as tidal flat formation, may also temporally prograde coastlines [12]. Anthropogenic coastal accretion encompasses artificial (beach) nourishment, artificial coastlines, land reclamation, and mangrove planting [12,27,28].…”

Section: Introductionmentioning

confidence: 99%

“…Energetic breaking waves, coastal landslides, and rockfall, as well as tidal flat formation, may also temporally prograde coastlines [12]. Anthropogenic coastal accretion encompasses artificial (beach) nourishment, artificial coastlines, land reclamation, and mangrove planting [12,27,28].…”

Section: Introductionmentioning

confidence: 99%

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State of the Vietnamese Coast—Assessing Three Decades (1986 to 2021) of Coastline Dynamics Using the Landsat Archive

Lappe

Ullmann²,

Bachofer

2022

Remote Sensing

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Vietnam’s 3260 km coastline is densely populated, experiences rapid urban and economic growth, and faces at the same time a high risk of coastal hazards. Satellite archives provide a free and powerful opportunity for long-term area-wide monitoring of the coastal zone. This paper presents an automated analysis of coastline dynamics from 1986 to 2021 for Vietnam’s entire coastal zone using the Landsat archive. The proposed method is implemented within the cloud-computing platform Google Earth Engine to only involve publicly and globally available datasets and tools. We generated annual coastline composites representing the mean-high water level and extracted sub-pixel coastlines. We further quantified coastline change rates along shore-perpendicular transects, revealing that half of Vietnam’s coast did not experience significant change, while the remaining half is classified as erosional (27.7%) and accretional (27.1%). A hotspot analysis shows that coastal segments with the highest change rates are concentrated in the low-lying deltas of the Mekong River in the south and the Red River in the north. Hotspots with the highest accretion rates of up to +47 m/year are mainly associated with the construction of artificial coastlines, while hotspots with the highest erosion rates of −28 m/year may be related to natural sediment redistribution and human activity.

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Section: Introductionmentioning

confidence: 99%