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Listed under: Science > Scientific inquiry > Instrumentation (Technology) > Scientific instruments > Remote sensing > Sonar

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Mapping the ocean floor

TLF-IDA004004

This activity builds understanding of sonar technique and applications through processing and plotting data to discover a seafloor feature and by bouncing balls on different surfaces and analysing rebound, relating this to ground hardness then extend understanding to 'backscatter' in bathymetry surveys. It is suitable for ...

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Exploring Australia's Seafloor

TLF-IDA003969

This video, presented by marine ecologist Dr Rachel Przeslawski, explores how marine scientists make maps of the seafloor and what these maps are used for. Dr Przeslawski talks about her experiences as a marine scientist involved with making maps from ships and discovering the depth, shape and hardness of the sea floor. ...