Observation of surf zone wave transformation using LiDAR

Matthew Harry, Hong Zhang, Charles Lemckert, Gildas Colleter, Chris Blenkinsopp

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The use of LiDAR as an alternative to an array of in-situ instruments for water elevation measurement, specifically in the surf zone, is covered in detail. This paper outlines the advances in remote sensing of the coastal environment and provide both laboratory and field observations obtained through the application of LIDAR scanning devices. The results of this paper show a good correlation between LiDAR and pressure transducer measurements of water elevation in both a wave flume and within the surf zone (mean coefficient of determination of 0.76 and 0.89 respectively). The water surface reflectivity of the study area needs to be maximised in order for the LiDAR to provide suitable measurements, therefore a method of seeding in the wave flume is described. Points to consider for the setup of the LiDAR instrument in both the laboratory and the field are discussed, as well as the influence that wave parameters such as wave height and wave period have on the quality of results. Free surface elevation data across the spatial and temporal domain can be obtained with LiDAR and used for a wide range of wave analyses.

Original languageEnglish
Pages (from-to)88-98
Number of pages11
JournalApplied Ocean Research
Publication statusPublished - 1 Sept 2018


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