Earth Observation of Study on Coastal Geomorphic Evolution
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: closed (31 January 2024) | Viewed by 11541
Special Issue Editor
Interests: geomorphology; physical geography; marine environment; coastal processes; sediment transport; sea ice and waves; cartography; remote sensing
Special Issue Information
Dear Colleagues,
Coastal landscapes all around the world are highly sensitive to global climate changes and local human impact. Sea level rise, increases in storm surge frequency and height, disturbance of sediment fluxes in coastal zones, beach and offshore sediment excavation, dredging, construction of port facilities, and shore protection are provoking activation of coastal processes leading to enhanced retreat of some sections of the coast and the progradation of others.
Particularly noticeable environmental changes are taking place in the Arctic. As a result, the decrease in sea ice cover is accelerating with simultaneous melting of the permafrost. A longer dynamically active ice-free period, increased wave fetch, and water temperature rise have led to intensification of the wave and thermal impact on the coast. As a result, in areas previously subject to erosion, the average annual rate of coastline retreat has doubled, or even more, compared with the end of the 20th century. Erosion processes have also begun on significant stretches of coastline that were previously in a stable state.
Remote sensing technology contributes substantially to coastal geomorphological studies, providing a basis for any general geomorphological survey and affording reconstruction of coastline evolution. Remote sensing, coupled with field data on geological structure of the coast and hydrometeorological data, provide all the necessary data for interpretation and predicting the further evolution of the coast.
In the last few decades, besides interpretation of classical optical satellite images, synthetic aperture radar (SAR) technologies have become widely used, for example in sea ice survey. LiDAR laser scanning from research vessels and UAV technologies allow us to study the morphology and dynamics of coasts in detail and on a local scale. Multibeam echo sounders and side-scan sonars provide data on the topography of the nearshore sea bottom, which is necessary for obtaining a comprehensive view of coastal zone statement and evolution.
The Special Issue aims to discuss global climate changes and local human impacts on coastal geomorphic evolution over time and their spatial basis as determined using modern remote sensing technologies.
Prof. Dr. Stanislav Ogorodov
Guest Editor
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Keywords
- seacoasts
- environmental forcing change
- human impact
- multiyear aero and space images
- coastal and offshore topography mapping
- UAV techniques
- coastal geomorphic evolution
- coastal erosion
- arctic coastal dynamics
- sea ice effects on coast
- erosion of permafrost coasts
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