Bryson, Mitch, Duce, Stephanie, Harris, Daniel, Webster, Jody M., Thompson, Alisha, Vila-Concejo, Ana and Williams, Stefan B. (2016) Geomorphic changes of a coral shingle cay measured using Kite Aerial Photography. Geomorphology, 270 . pp. 1-8. DOI https://doi.org/10.1016/j.geomorph.2016.06.018.

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Abstract

Measurements of geomorphic change in the intertidal zones of coral reefs are made using a variety of remote sensing and in-situ techniques, where variations in the coverage and spatial-temporal precision achieved are directly related to the cost of data acquisition. We present a novel, low-cost technique for measuring high-resolution changes in reef environments based on Kite Aerial Photography (KAP) and photogrammetry/structure-from-motion post-processing. KAP images are used to measure fine-scale changes in intertidal topography and sediment texture characteristics, including rubble particle size, of a coral shingle cay at One Tree Island, Great Barrier Reef in the context of storm activity. Validation using Real Time Kinematic DGPS demonstrates the ability to measure topographic elevation with an error of 5.53 cm (RMSE) and a spatial resolution of 5 cm per point, an accuracy/resolution that is superior to airborne LiDAR and equivalent to terrestrial LiDAR, but at a fraction of the equipment cost.

Document Type:	Article
Programme Area:	UNSPECIFIED
Research affiliation:	Biogeochemistry and Geology > Geoecology & Carbonate Sedimentology
Refereed:	Yes
Open Access Journal?:	No
DOI:	https://doi.org/10.1016/j.geomorph.2016.06.018
ISSN:	0169555X
Date Deposited:	04 Jul 2019 16:24
Last Modified:	26 Mar 2024 13:28
URI:	http://cris.leibniz-zmt.de/id/eprint/2263

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