TY - GEN
T1 - Dune and alternate bar detection in a laboratory flume using a 3D laser scanner
AU - De Ruijsscher, T. V.
AU - Dinnissen, S.
AU - Vermeulen, B.
AU - Hazenberg, P.
AU - Hoitink, A. J.F.
N1 - Funding Information:
This research is part of the research programme RiverCare, supported by the Dutch Technology Foundation STW, which is part of the Netherlands Organization for Scientific Research (NWO), and which is partly funded by the Ministry of Economic Affairs under grant number P12-14 (Perspective Programme).
Publisher Copyright:
© 2016 Taylor & Francis Group, London.
PY - 2016
Y1 - 2016
N2 - Collecting high-precision data of migrating bed forms in flume experiments is often limited by the measurement equipment. With a 3D laser scanner a relatively large area of bed profiling can be monitored with high precision during the experiment. In the present study, the accuracy of such device is studied, applying corrections for internal calibration, path length and refraction. The total measurement error increases with increasing water depth and for water depths larger than 135 mm a filter should be applied to recognize a bed profile. For a sandy bed, application of a LOESS filter with different span widths leads to promising results for both dune and alternate bar patterns.
AB - Collecting high-precision data of migrating bed forms in flume experiments is often limited by the measurement equipment. With a 3D laser scanner a relatively large area of bed profiling can be monitored with high precision during the experiment. In the present study, the accuracy of such device is studied, applying corrections for internal calibration, path length and refraction. The total measurement error increases with increasing water depth and for water depths larger than 135 mm a filter should be applied to recognize a bed profile. For a sandy bed, application of a LOESS filter with different span widths leads to promising results for both dune and alternate bar patterns.
UR - http://www.scopus.com/inward/record.url?scp=85015273537&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85015273537&partnerID=8YFLogxK
U2 - 10.1201/9781315644479-173
DO - 10.1201/9781315644479-173
M3 - Conference contribution
AN - SCOPUS:85015273537
SN - 9781138029132
T3 - River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016
SP - 1086
EP - 1091
BT - River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016
A2 - Constantinescu, George
A2 - Garcia, Marcelo
A2 - Hanes, Dan
PB - CRC Press/Balkema
T2 - International Conference on Fluvial Hydraulics, RIVER FLOW 2016
Y2 - 11 July 2016 through 14 July 2016
ER -