1993•Journal of the Japan society of photogrammetry and remote sensingOpen access

DEM Production by Landsat TM images and its Application for mapping of tidal flat.

Chung-Hyun Ahn, Koji Kajiwara, Ryutaro Tateishi

Abstract

Landsat-5 TM images were combined with tide information to create digital elevation model of tidal flats in western coasts of Korea.The shore lines of tidal flat extracted from multi-date images with different water heights were digitally combined with tide information in order to create a digital elevation model (DEM).The obtained DEM of tidal flats is used for simulation of inundation period according to a tidal movement.This DEM can also contribute to characterizing topography and monitoring morphological change of tidal flats.

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Key concepts: Digital elevation model, Tidal flat, Elevation (ballistics), Shore, Geology, Tidal current, Remote sensing, Geodesy