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Explore the Depths with the PiCam Marine #piday #raspberrypi @Raspberry_Pi

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Via The MagPi:

Ecologists in Germany are deploying camera-equipped Pi Zero Ws off the coast of Norway to discover more about coral activity. Dr Autun Purser works in the Deep Sea Ecology and Technology group of the Alfred Wegener Institute. The group has a keen interest in cold-water corals, which are found in most European seas.

“In the last three decades, we’ve started to understand these can form reefs whenever conditions are suitable for growth,” explains Autun. “During our cruise in the Skagerrak, we intended to map corals and see when, and under what conditions, they did most feeding.”

Feeding time

Their aim was to continue the development of “cheap camera systems which can be used for a range of applications in the deep sea, down to depths of at least 6000 metres. We investigated the use of Pi Zero W computers and [Raspberry Pi Camera Modules] to record video snippets of both the seafloor and any scientific devices that we place underwater, and we found the small size of the computers to be of great benefit to us.”

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The Pi Zero Ws and cameras are placed in strong, waterproof pressure containers, and powered by Li-ion batteries that can withstand the cold deep ocean conditions. “The WiFi connectivity allowed us to set up a router on deck to both initiate our cameras and, on retrieval from the sea-floor, download our collected images without having to reopen the pressure housings,” reveals Autun.

Learn more!


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