A. Makar
Thursday 11 October 2018 by Libadmin2018


A precise line that can be called a coastline cannot be determined due to the coastline paradox. However in general terms, coastline or seashore is an area where land meets the sea or ocean, or a line that forms the boundary between the land and the ocean or a lake. In port areas, where port berth is a stable structure, determining the coastline is easy given that the coast structure is defined by vertical bank. Other examples of stable port structures include: slipways, cliffs and solid borders between water and rocks.
Coastline determination becomes an issue where the barrier between sea and land areas fluctuates as a result of tides.
Determination of sea coastline is easier than inland basins, due to lack of obstacles preventing satellite positioning. The coastline of inland areas can be unavailable for satellite positioning or other, non-geodetic methods, which are used inland measurements to support hydrographic surveys.
In research the problem of determination of coastline of water areas, especially inland ones had been presented and it is an introduction to determine and accuracy assessment of coastline obtained by unmanned aerial vehicle.

Keywords: hydrography, geodesy, coastline, satellite positioning.

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