{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T18:07:52Z","timestamp":1763748472320,"version":"build-2065373602"},"reference-count":36,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2021,10,6]],"date-time":"2021-10-06T00:00:00Z","timestamp":1633478400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Detailed understanding of gully erosion processes is essential for monitoring gully remediation and requires fine-scale monitoring. Hand-held laser scanning systems (HLS) enable rapid ground-based data acquisition at centimeter precision and ranges of 10\u2013100 m. This study quantified errors in measuring gully morphology and erosion over a four year period using two models of HLS. Reference datasets were provided by Real-Time-Kinematic (RTK) GPS and a RIEGL Terrestrial Laser Scanner (TLS). The study site was representative of linear gullies that occur extensively on hillslopes throughout Great Barrier Reef catchments, where gully erosion is the dominant source of fine sediment. The RMSE error against RTK survey points varied 0.058\u20130.097 m over five annual scans. HLS was found to measure annual gully headcut extension within 0.035 m of RTK. HLS was, on average, within 6% of TLS for morphological metrics of depth, area and volume. Volumetric change over a 60 m length of the gully and four years was estimated to within 23% of TLS. Errors could potentially be improved by scanning at times of year with lower ground vegetation cover. HLS provided similar levels of error and was relatively more rapid than TLS and RTK for monitoring gully morphology and change.<\/jats:p>","DOI":"10.3390\/rs13194004","type":"journal-article","created":{"date-parts":[[2021,10,8]],"date-time":"2021-10-08T21:26:20Z","timestamp":1633728380000},"page":"4004","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Applying a Hand-Held Laser Scanner to Monitoring Gully Erosion: Workflow and Evaluation"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0322-490X","authenticated-orcid":false,"given":"Anne","family":"Kinsey-Henderson","sequence":"first","affiliation":[{"name":"CSIRO Land and Water, Douglas, Townsville, QLD 4811, Australia"}]},{"given":"Aaron","family":"Hawdon","sequence":"additional","affiliation":[{"name":"CSIRO Land and Water, Douglas, Townsville, QLD 4811, Australia"}]},{"given":"Rebecca","family":"Bartley","sequence":"additional","affiliation":[{"name":"CSIRO Land and Water, Dutton Park, Brisbane, QLD 4102, Australia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2879-8603","authenticated-orcid":false,"given":"Scott N.","family":"Wilkinson","sequence":"additional","affiliation":[{"name":"CSIRO Land and Water, Black Mountain, Canberra, ACT 2601, Australia"}]},{"given":"Thomas","family":"Lowe","sequence":"additional","affiliation":[{"name":"CSIRO Data61, Pullenvale, Brisbane, QLD 4069, Australia"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,6]]},"reference":[{"key":"ref_1","unstructured":"The State of Queensland (2013). 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