December 2012
Message 38

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[Met-jobs] PhD funding available: upper ocean microstructure

From "Ward, Brian" <>
To "" <>
Date Sun, 16 Dec 2012 22:45:40 +0000

Funded PhD Fellowship: Turbulence Measurements at the Ocean Surface
for the SPURS Ocean Salinity Experiment

This project addresses the following question: What is the vertical
distribution of small-scale temperature, salinity, dissipation, and
velocity in the upper 100 m of the ocean, and how do these processes
contribute to the North Atlantic Salinity Maximum?

The primary focus of this project is to study the small-scale
processes at the ocean surface to quantify their impact on sea surface
salinity using data from the Air-Sea Interaction Profiler (ASIP). ASIP
is upwardly-rising profiler that has a suite of high-resolution
sensors that can provide measurements from mixed-layer depths to the
air-sea interface, including temperature, salinity, shear, velocity,
and PAR. The shear measurements provide the level of turbulence, which
is quantified by the dissipation rate of turbulent kinetic energy.
This dissipation and temperature/salinity profiles are essential to
determining the vertical turbulent fluxes of salt and temperature in a
stratified system, which is the main mechanism of transport of these
scalars.  Because of the high spatial resolution of the salinity
profiles, the sea surface salinity can be determined exactly and
related to the bulk salinity and the turbulent fluxes.

Applicants should have a degree in physics, engineering, or a
closely-related discipline, and a strong motivation for research.
Familiarity with ocean turbulence is desirable but not essential.
Experience with Matlab is essential. Enthusiam for participation in
ocean-going field experiments is necessary. For further information,
contact Dr. Brian Ward

Applications should be sent by e-mail to Dr. Brian Ward (

Dr. Brian Ward
National University of Ireland, Galway
Tel.: +353.91.493029 Fax: +353.91.494584

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