TY - JOUR
T1 - Measurements of the time-varying free-surface profile across the swash zone obtained using an industrial LIDAR
AU - Blenkinsopp, C.E.
AU - Mole, M.A.
AU - Turner, I.L.
AU - Peirson, W.L.
PY - 2010/11
Y1 - 2010/11
N2 - The use of an industrial LIDAR instrument to measure time-varying water-surface elevations within the swash zone is investigated. The propagation of the swash lens across the beach face was measured simultaneously by a LIDAR instrument and a network of precision ultrasonic altimeters at a sandy beach. Comparison of the two datasets indicates that the time-varying swash free-surface profile obtained using a LIDAR compare favourably with point measurements obtained using ultrasonic altimeters. Significantly, the use of a continuously scanning laser beam enables a single LIDAR instrument to obtain measurements of free-surface elevation near-synchronously at several hundred points throughout the swash zone. This high spatial resolution permits small-scale flow features such as the swash-front gradient and the presence of secondary bores to be detailed, and negates the need for the deployment of a large, multi-sensor array.
AB - The use of an industrial LIDAR instrument to measure time-varying water-surface elevations within the swash zone is investigated. The propagation of the swash lens across the beach face was measured simultaneously by a LIDAR instrument and a network of precision ultrasonic altimeters at a sandy beach. Comparison of the two datasets indicates that the time-varying swash free-surface profile obtained using a LIDAR compare favourably with point measurements obtained using ultrasonic altimeters. Significantly, the use of a continuously scanning laser beam enables a single LIDAR instrument to obtain measurements of free-surface elevation near-synchronously at several hundred points throughout the swash zone. This high spatial resolution permits small-scale flow features such as the swash-front gradient and the presence of secondary bores to be detailed, and negates the need for the deployment of a large, multi-sensor array.
UR - http://www.scopus.com/inward/record.url?scp=77956344365&partnerID=8YFLogxK
UR - http://doi.org/10.1016/j.coastaleng.2010.07.001
UR - http://www.scopus.com/inward/record.url?partnerID=yv4JPVwI&eid=2-s2.0-77956344365&md5=ea84054d8f62efbf9a70c307399b3a2b
U2 - 10.1016/j.coastaleng.2010.07.001
DO - 10.1016/j.coastaleng.2010.07.001
M3 - Article
AN - SCOPUS:77956344365
SN - 0378-3839
VL - 57
SP - 1059
EP - 1065
JO - Coastal Engineering
JF - Coastal Engineering
IS - 11-12
ER -