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Displaying items by tag: sound

An Irish artist is part of an international expedition that’s dropping hydrophones into the waters off Greenland to record the sounds of melting icebergs.

According to the Guardian, Siobhán McDonald will use the recordings from the underwater microphones in a mixed-media installation to explore human impact on the world’s oceans.

Over the next two years, the hydrophones will capture the sounds of melting Arctic sea ice and under subaquatic audio every hour — with the results being used both in scientific research and as part of a musical score McDonald will create with a composer.

“I’m interested in hearing the acoustic pollution,” the artist says. “The sea levels are rising and that will have an impact I’d imagine on the sound range and on all the biodiversity.

“Sound is fundamental in the ocean and Arctic animals. Hearing is fundamental to communication, breeding, feeding and ultimately survival. It speaks of the necessity of paying attention to the pollution we are causing to the ecosystems around us.”

The Guardian has much more on the story HERE.

Published in Environment

#DALKEY ISLAND PROSPECT - The Irish Whale and Dolphin Group (IWDG) has joined the chorus of opposition to the proposed oil and gas exploration off Dalkey Island in Co Dublin.

As previously reported on Afloat.ie, Providence Resources has applied for a foreshore licence to search for oil or gas about 6km out to sea on the Kish Bank Basin.

But the prospect has provoked a split in the local community over the potential risks and benefits, with many calling for a public enquiry into the licence before it is granted.

This evening an urgent meeting in Dun Laoghaire will address the public's concerns, which have been echoed by the IWDG.

"The Kish Bank and adjacent waters are important for cetaceans," said the group in a statement. "In addition, sightings of bottlenose dolphins have increased dramatically in the area following the presence of a group of three individuals since August 2010."

The IWDG is concerned about the potential effects on dolphins and porpoises that "could due to noise generated from the drilling process", noting that "there is little published data on the intensity and effects of sound generated by drilling".

Protest group Protect Our Coast has launched a online petition against the Dalkey Island Prospect citing concerns over the proximity of the drilling area to the mainland as well as the Special Protection Area of Dalkey Island, which is a haven for marine wildlife.

Published in Coastal Notes

The Dragon was designed by Johan Anker in 1929 as an entry for a competition run by the Royal Yacht Club of Gothenburg, to find a small keel-boat that could be used for simple weekend cruising among the islands and fjords of the Scandinavian seaboard. The original design had two berths and was ideally suited for cruising in his home waters of Norway. The boat quickly attracted owners and within ten years it had spread all over Europe.

The Dragon's long keel and elegant metre-boat lines remain unchanged, but today Dragons are constructed using the latest technology to make the boat durable and easy to maintain. GRP is the most popular material, but both new and old wooden boats regularly win major competitions while looking as beautiful as any craft afloat. Exotic materials are banned throughout the boat, and strict rules are applied to all areas of construction to avoid sacrificing value for a fractional increase in speed.

The key to the Dragon's enduring appeal lies in the careful development of its rig. Its well-balanced sail plan makes boat handling easy for lightweights, while a controlled process of development has produced one of the most flexible and controllable rigs of any racing boat.