ocean currents

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Increased knowledge, education and resources are needed to address the ongoing problem of rip current drownings on Australian beaches, writes Rob Brander.

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A new map of the world’s oceans redraws boundaries according to science, not geopolitics, and provides a crucial piece in the puzzle of who is creating marine dumping grounds, write Erik van Sebille and Gary Froyland.

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The Southern Ocean is remote, fast moving and full of large eddies, so the missing aircraft will be increasingly difficult to locate if debris is not found soon, writes Erik van Sebille.

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Oceanographic research at UNSW suggests the claimed lengthy voyage of a castaway fisherman could have occurred and he was lucky not to have ended up in the great garbage patch of the North Pacific.