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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

About Safehaven Marine 

Safehaven Marine are designers and builders of FRP Pilot boats, Patrol boats, Crew transfer vessels, Hydrographic survey catamarans, Naval & Military craft and unique custom private motor yachts. All our vessels are built to the highest standards of strength & engineering and are renowned worldwide for their exceptional sea-keeping abilities, we set a new World long-range speed record in 2017 with our own vessel and crew. Established in 1996 we have built over 138 vessels supplied to 27 countries worldwide with over 40 pilot vessels in operation globally, and have become leaders in our field.

Based in Youghal, Co Cork Ireland, Safehaven manufacture our vessels from two modern factories, with all design work carried out in house, and built with our own experienced team of engineers, carpenters, electricians, shipwrights and laminators.

Always at the forefront of new technology and designs we continuously develop our range and push the frontiers of design: In 2020 we aim to set a UIM Transatlantic World record with our unique (patent applied for) new 22m high-speed vessel XSV20

Interceptor 42 pilot boat

The Pilot 42 model built by Safehaven Marine has been delivered to ports worldwide and has proved to be a superb sea boat performing admirably in pilotage operations with all owners extolling its virtues of seakeeping, strength and stability.

L.O.A. (Length overall) 13.2m

L.W.L. (Length along waterline) 11.5m

Length moulded (GRP hull only) 12.7

Beam Moulded (GRP only ex fender) 4.0m

Beam overall (Including fenders) 4.4m

Draft (Depth of hull below waterline) 1.35m

Displacement Lightship 14,500kg

Fully loaded 16,000kg

Fuel capacity 1600 litres

Water capacity 110 litres

Crew capacity 5 persons

Engines Volvo D9 425hp

Gearboxes ZF325

Subdivision 4 x separate watertight compartments

Crew capacity 1-2 crew plus 3- 4 pilots

Classification PRS

Speed 23.5kts fully loaded