The dynamics of the Tasmanian continental shelf tidal and near-inertial wave field and their biological implications

Tamara Lillian Schlosser

doi:10.26182/5c9980665f7ea

The dynamics of the Tasmanian continental shelf tidal and near-inertial wave field and their biological implications

Tamara Lillian Schlosser

Oceans Graduate School

Research output: Thesis › Doctoral Thesis

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Abstract

We investigate the dynamics of diurnal coastal-trapped waves and near-inertial waves on the Tasmanian Eastern Continental Shelf, where the local Coriolis frequency is separable from the diurnal frequency. Over the 18-days we sampled, the shelf was windy, had a mixed surface tide, was stratified, and velocities were dominated by a baroclinic background current. Although both tidal and near-inertial processes were energetic, our analysis indicates only the near-inertial motion within the surface mixed layer led to increased vertical nitrate fluxes and enhanced primary productivity. The background current had a large influence on both the wave dynamics and shelf productivity.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Bluteau, Cynthia, Supervisor Ivey, Gregory, Supervisor Jones, Nicole, Supervisor Lucas, Andrew, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	17 Feb 2019
DOIs	https://doi.org/10.26182/5c9980665f7ea
Publication status	Unpublished - 2019

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THESIS - DOCTOR OF PHILOSOPHY - SCHLOSSER Tamara - 2019
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Cite this

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title = "The dynamics of the Tasmanian continental shelf tidal and near-inertial wave field and their biological implications",

abstract = "We investigate the dynamics of diurnal coastal-trapped waves and near-inertial waves on the Tasmanian Eastern Continental Shelf, where the local Coriolis frequency is separable from the diurnal frequency. Over the 18-days we sampled, the shelf was windy, had a mixed surface tide, was stratified, and velocities were dominated by a baroclinic background current. Although both tidal and near-inertial processes were energetic, our analysis indicates only the near-inertial motion within the surface mixed layer led to increased vertical nitrate fluxes and enhanced primary productivity. The background current had a large influence on both the wave dynamics and shelf productivity.",

keywords = "Shelf processes, Stratified flow processes, Coastal-trapped Waves, Near-Inertial Waves, Bio-physical Interactions, Baroclinic Current",

author = "Schlosser, {Tamara Lillian}",

year = "2019",

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AU - Schlosser, Tamara Lillian

PY - 2019

Y1 - 2019

N2 - We investigate the dynamics of diurnal coastal-trapped waves and near-inertial waves on the Tasmanian Eastern Continental Shelf, where the local Coriolis frequency is separable from the diurnal frequency. Over the 18-days we sampled, the shelf was windy, had a mixed surface tide, was stratified, and velocities were dominated by a baroclinic background current. Although both tidal and near-inertial processes were energetic, our analysis indicates only the near-inertial motion within the surface mixed layer led to increased vertical nitrate fluxes and enhanced primary productivity. The background current had a large influence on both the wave dynamics and shelf productivity.

AB - We investigate the dynamics of diurnal coastal-trapped waves and near-inertial waves on the Tasmanian Eastern Continental Shelf, where the local Coriolis frequency is separable from the diurnal frequency. Over the 18-days we sampled, the shelf was windy, had a mixed surface tide, was stratified, and velocities were dominated by a baroclinic background current. Although both tidal and near-inertial processes were energetic, our analysis indicates only the near-inertial motion within the surface mixed layer led to increased vertical nitrate fluxes and enhanced primary productivity. The background current had a large influence on both the wave dynamics and shelf productivity.

KW - Shelf processes

KW - Stratified flow processes

KW - Coastal-trapped Waves

KW - Near-Inertial Waves

KW - Bio-physical Interactions

KW - Baroclinic Current

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DO - 10.26182/5c9980665f7ea

M3 - Doctoral Thesis

ER -

The dynamics of the Tasmanian continental shelf tidal and near-inertial wave field and their biological implications

Abstract

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