Sediment resuspension under nonlinear internal waves

William Edge

doi:10.26182/e8hx-3p75

Sediment resuspension under nonlinear internal waves

William Edge

Research output: Thesis › Doctoral Thesis

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Abstract

Non-linear internal waves (NLIW) play a significant role in ocean processes, but the mechanisms of sediment resuspension under NLIW remain speculative due to a paucity of field observations. This thesis describes and analyses new observations of NLIW collected from two sites on the Northwest (continental) Shelf of Australia. Key parameters were measured during NLIW at a resolution never achieved previously. These observations captured the range of time and length scales necessary to provide unique insight into sediment resuspension and transport dynamics. Sediment fluxes in the water column were quantified and erosion at the sediment-water interface was inferred with uncertainty quantification.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Jones, Nicole, Supervisor Rayson, Matt, Supervisor Ivey, Gregory, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	7 Nov 2022
DOIs	https://doi.org/10.26182/e8hx-3p75
Publication status	Unpublished - 2022

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THESIS - DOCTOR OF PHILOSOPHY - EDGE William - 2022 - Part 1-2
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THESIS - DOCTOR OF PHILOSOPHY - EDGE William - 2022 - Part 3
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Cite this

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abstract = "Non-linear internal waves (NLIW) play a significant role in ocean processes, but the mechanisms of sediment resuspension under NLIW remain speculative due to a paucity of field observations. This thesis describes and analyses new observations of NLIW collected from two sites on the Northwest (continental) Shelf of Australia. Key parameters were measured during NLIW at a resolution never achieved previously. These observations captured the range of time and length scales necessary to provide unique insight into sediment resuspension and transport dynamics. Sediment fluxes in the water column were quantified and erosion at the sediment-water interface was inferred with uncertainty quantification.",

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AB - Non-linear internal waves (NLIW) play a significant role in ocean processes, but the mechanisms of sediment resuspension under NLIW remain speculative due to a paucity of field observations. This thesis describes and analyses new observations of NLIW collected from two sites on the Northwest (continental) Shelf of Australia. Key parameters were measured during NLIW at a resolution never achieved previously. These observations captured the range of time and length scales necessary to provide unique insight into sediment resuspension and transport dynamics. Sediment fluxes in the water column were quantified and erosion at the sediment-water interface was inferred with uncertainty quantification.

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Sediment resuspension under nonlinear internal waves

Abstract

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