Geomorphic changes of a coral shingle cay measured using Kite Aerial Photography
Mitch Bryson
Stephanie Duce
Daniel Harris
Jody M. Webster
Alisha Thompson
Ana Vila-Concejo
Stefan B. Williams
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.
Bryson M., Duce S., Harris D., Webster J.M., Thompson A., Vila-Concejo A. and Williams S.B. (2016) Geomorphic changes of a coral shingle cay measured using Kite Aerial Photography. Geomorphology 270: 1-8. 10.1016/j.geomorph.2016.06.018
@article{Bryson2016,
Title = {Geomorphic changes of a coral shingle cay measured using Kite Aerial Photography},
Author = {Bryson, Mitch and Duce, Stephanie and Harris, Daniel and Webster, Jody M. and Thompson, Alisha and Vila-Concejo, Ana and Williams, Stefan B.},
Editor = {},
Journal = {Geomorphology},
Year = {2016},
Pages = {1-8},
Volume = {270},
Doi = {10.1016/j.geomorph.2016.06.018},
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.},
}
TY - JOUR
AU - Bryson, Mitch
AU - Duce, Stephanie
AU - Harris, Daniel
AU - Webster, Jody M.
AU - Thompson, Alisha
AU - Vila-Concejo, Ana
AU - Williams, Stefan B.
TI - Geomorphic changes of a coral shingle cay measured using Kite Aerial Photography
T2 - Geomorphology
PY - 2016
SP - 1-8
VL - 270
DO - 10.1016/j.geomorph.2016.06.018
AB - 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.
ER -
