Featured Researchers

Luc Rainville

Principal Oceanographer

OPD Department

APL-UW

Affiliate Assistant Professor, Oceanography

Hayley Dosser

Research Assistant

OPD Department

APL-UW

Funding

NSF

Schmidt Ocean Institute

The Tasman Tidal Dissipation Experiment

T-TIDE | T-Beam | T-Shelf

Our goal in T-TIDE is to understand the life cycle of internal waves — what happens to internal waves as they propagate across an ocean basin and the multitude of other motions that exist in the ocean.

Most importantly, we want to understand what happens when these waves hit the continental shelf.

Just like ocean swell generated from a distant storm, the internal waves propagate away from the region where they were generated and all the way across the ocean. They either dissipate by putting their energy near a continental shelf or reflect and go elsewhere.

We tend to think of the internal tide as something very regular. But every time we profiled the CTD from the ship, we captured only one image... we saw snapshots of the internal waves deep beneath the ship.

In the Tasman Sea there are temperature fronts, mesoscale eddies, near-inertial currents, and internal waves generated by the wind. The reason we made surveys by ship is to understand the three-dimensionality of the semidiurnal waves (generated by the tidal interaction with typography) and separate them from all the other motions in the ocean. —Luc Rainville

More About This Research

Collaborators

Commonwealth Scientific and Industrial Research Organisation (Australia)

Environmental Protection Agency of Victoria (Australia)

Scripps Institution of Oceanography

University of Alaska Fairbanks

University of Minnesota, Duluth

University of Tasmania

University of Western Australia

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