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Bass Strait Glider Reveals the Ancient Bassian Lake

Mark Baird

15 March, 2018

The IMOS Ocean Glider Facility has launched the third annual glider across Bass Strait. It has just completed the transect, and the presence of a dense cold pool in the deepest part of Bass Strait is evident. The centre of Bass Strait (right) is deeper than its surrounds and would have formed a large fresh-water lake when Bass Strait was exposed 15,000+ years ago. Nowadays the deepest part of Bass Strait is 80 m deep with the deepest outlet to the north at 70 m. Thus the ancient lake continues to act as a place where water can collect – in this case, dense Bass Strait water.   [more]