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Episode 175- Ocean Exploration
Date:23/11/2009
Join Dr Rob as he SCOPES out how scientists explore the deepest regions of the ocean, checks out a huge collection of fish and finds out how to map the sea floor.
Ocean Exploration 101
Geographically the world can be divided into five oceans, the Pacific, Atlantic, Indian, Southern and Arctic. These oceans cover around 70% of the earth and although we can't measure it exactly, it is estimated to have a volume of 1370 million cubic kilometres. Now that is a lot of water!
TO WATCH OCEAN EXPLORATION 101 CLICK HERE
Experiment – Sink or Float
Sink or float! Julia tests out her theory of buoyancy using a bucket of water and some house hold objects.
TO WATCH THE SINK OR FLOAT EXPERIMENT CLICK HERE
Southern Surveyor
Studying the ocean would not be possible without a ship, and they don't come much better than the Southern Surveyor weighing in at 1.6 million kilograms and a staggering 66 metres long and to tell us more is Captain Fred Stein.
TO ENTER THE CSIRO FLOAT A NAME COMPETITION CLICK HERE
Ocean Monitoring
Uncovering the mysteries of what lies 3km under the ocean is not an easy task. But through some simple measurements and sophisticated technology Simon Allen and his team at CSIRO are finding out what lurks beneath the ocean surface.
National Fish Collection
The National Fish Collection in Hobart is among the largest of its kind in the southern hemisphere, and it consists of about 145 000 specimens, belonging to around 2 800 species of fish, sharks and rays. Alistair Graham a marine biologist tells you how they're discovering some brand new species.
Seabed Mapping
It's probably safe to say that all the dry land in the world has been mapped, but surprisingly only about 2% of the ocean floor has been mapped. Rudy Kloser a research scientist with CSIRO will tell you how he is working on mapping the other 98%.
So join Dr Rob as he sails through some rough seas to once again prove that the ordinary really does become extraordinary under the SCOPE.
