W31

Physical oceanography

ECTS

5

Specialities

HO

Keywords

World ocean climatology, Sea water, Rotating stratified fluid dynamics, Wind driven ocean circulation, Oceanic waves, Equatorial waves, Internal waves, Tides, East (South China) Sea Oceanography, Oceanographic instrumentation

Description

The Teaching Unit is composed of 3 courses (Introduction to physical and dynamical oceanography, Waves in the ocean, Regional and East (South China) Sea Oceanography) and one field trip including hands-on experience of taking CTD measurements and water samples within two days (analysis of physical measurements with Seabird data processing, analysis of dissolved oxygen, observation of plankton, analysis of sediments). The ship trip is located around Hai Phong coastal area, and lodging is envisaged at the Marine Hydro-Meteorological station in DoSon.

Coordinator

Prof Dr Nicholas HALL, Univ. Paul-Sabatier, LEGOS, nick.hall@legos.obs-mip.fr

Dr Patrick MARCHESIELLO, IRD

Dr NGUYEN Nguyet Minh, USTH

Lectures

Introduction to Physical and Dynamical Oceanography.C-Tutorials 12h, Lecturers: Gael Alory / Rosemary Morrow (/ Nick Hall)

1) World ocean climatology and heat balance: solar forcing, sea surface heat budget, heat transfer by ocean currents, evaporation and precipitation, sea surface temperature and salinity, annual cycle in different ocean basins

2) Sea water and water masses : properties of sea water, T-S diagrams, density, potential density, equation of state, world ocean water masses

3) Ocean currents : descriptive: Gulf stream, Kuroshio, ACC, tropical currents, deep currents, thermohaline circulation

4) Rotating stratified fluid dynamics: eulerian and lagrangian derivatives, basic conservation laws, rotation, circulation and vorticity, geostrophic and hydrostatic balance, shallow water equations, potential vorticity

5) Wind driven ocean circulation: wind stress forcing, Ekman spiral / pumping / transport, Sverdrup, Stommel/Munk, Fofonoff, ventilation, homogenization

Waves in the ocean.C-Tutorials 12h. Lecturers: Nick Hall (/Gael Alory / Rosemary Morrow)

1) General properties of waves: mathematical representation, wavenumber and frequency, phase and group speed, dispersion, methods for linear solutions

2) Deep and shallow water waves:general solution for surface waves, deep and shallow water, swell and surf, tsunamis

3) Waves in a rotating system:inertia gravity waves, coastal Kelvin waves, Rossby waves, topographic Rossby waves, vertical modes

4) Equatorial waves: equatorial scalings, wave theory, El Niño, MJO

5) Internal waves and tides: internal waves, lee waves, tides, bores and solitons

Regional and East (South China) Sea Oceanography.C-Tutorials 6h. Lecturer: Dinh Van Uu, HUS-VNU

1)Oceanography of Pacific Ocean

2)Meteorology and Oceanography of East Sea

3)Air-sea interaction in the East Sea region

Ocean measurements field trip.Practical 18 hours. Instructors: Minh + Nguyen Minh Huan (HUS-VNU)

Instructors

Prof Dr Nick HALL, Univ. Paul-Sabatier, LEGOS, nick.hall@legos.obs-mip.fr

Prof Dr DINH VAN UU, PR, HUS-VNU, uudv@vnu.edu.vn

Dr Patrick MARCHESIELLO, IRD

Dr. Nguyen Nguyet Minh, USTH

Control

examination + practical + personal work

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