Field test of the accuracy of laser particle counters to measure aeolian sediment flux

Duarte-Campos, Leonardo; Wijnberg, Kathelijne Mariken; Hulscher, Suzanne J.M.H.

doi:10.1016/j.aeolia.2021.100676

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Set-up Experiments At the Beach1

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2024

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Cited by 4 publications

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“…The height of the saltation layer was measured by a vertical array of 10 Wenglor laser particle counters (see Hugenholtz and Barchyn, 2011;Duarte-Campos et al, 2021). The Wenglors were positioned between 0.05 and 1 m above the bed.…”

Section: Set-up Experiments At the Beachmentioning

confidence: 99%

Deposition patterns around buildings at the beach: Effects of building spacing and orientation

et al. 2022

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Section: Set-up Experiments At the Beachmentioning

confidence: 99%

Deposition patterns around buildings at the beach: Effects of building spacing and orientation

et al. 2022

Self Cite

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Measuring Sediment Transport by Wind

King

Bellamy

2022

Treatise on Geomorphology

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Fluctuating characteristics of streamwise wind speed and total saltation mass flux in the near-neutral atmospheric surface layer

Zhang

Xin

et al. 2023

Physics of Fluids

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Aeolian sand transport in the atmospheric surface layer (ASL) is a typical kind of gas-solid two-phase flow at very high Reynolds number that fluctuates over a wide range of spatial and temporal scales. Based on the high-frequency time series of streamwise wind speed ( u) and total saltation mass flux ( q) measure at three different observation sites, the fluctuating characteristics of u and q in the near-neutral ASL have been analyzed. Our study suggests that the probability density function (PDF) of the normalized streamwise wind speed fluctuations at the height of approximately 0.5 m follows standard normal distribution, and the PDF of the q presents a lognormal distribution in the near-neutral ASL during strong and steady wind-blown sand. The investigations on the premultiplied spectral of q and u show that, as the energy of very large-scale motions (VLSMs) increases, the influence of the VLSMs on q become more significant. In addition, the stochastic couplings between u and q have been analyzed by using space-time correlations and linear coherence spectrum. Our results suggest that the VLSMs have a significant effect on the low-frequency fluctuations of q in the near-neutral ASL.

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Field test of the accuracy of laser particle counters to measure aeolian sediment flux

Cited by 4 publications

References 35 publications

Deposition patterns around buildings at the beach: Effects of building spacing and orientation

Deposition patterns around buildings at the beach: Effects of building spacing and orientation

Measuring Sediment Transport by Wind

Fluctuating characteristics of streamwise wind speed and total saltation mass flux in the near-neutral atmospheric surface layer

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