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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

Irish Sailing Classes and Association – There’s no shortage of one-design classes from which to choose and each gives its enthusiasts great competition, fun and camaraderie, writes Graham Smith in this review of the classes. 

One-design racing is where it all starts. It is, after all, where all the top sailors earned their stripes, battling away for line honours without a thought for a handicapper’s calculator wiping away a hard-fought victory!

Indeed, you could count on less than one hand the number of top Irish sailors who didn’t cut their teeth in a one-design dinghy! Just think of Cudmore, Barrington, Watson, Wilkins, Hennessy and Dix to name a few and you realise that they honed their skills in everything from Enterprises to Lasers and a lot in between.

At present count, there are a little over 30 one-design classes in Ireland, split almost evenly between dinghies and keelboats, a statistic which might raise a few eyebrows. They range from the long-established Mermaids, IDRA14s and Dragons to the newer additions like Fevas, Topaz and RS Elite. They all fill a particular need and give their owners and crews considerable enjoyment.

Many have attracted their World or European Championships to Irish waters over the years and while 2009 is notable for a lack of such events here, the following year will see the Etchells Worlds at Howth and perhaps a few other international regattas too.

In addition to the review, we asked each class to complete a questionnaire giving details of their fleet numbers, whether they were on a growth pattern or holding their own, so we could highlight those ‘on the up’ and those remaining static in terms of numbers. The older traditional designs, as you might imagine, fall into the latter category, although that’s not a negative!

CLASS REVIEW  The State of the Classes – League Table (as at February 2009)

S = Static; U = Up/growing

275     Optimist   U

200+   Laser   S

189     Mermaid   S

160     Flying Fifteen   S

130     RS Feva   U

115     Shannon One Design    U

100+   Mirror   S

100+   Topper   U

99       Topaz   U

94       Laser SB3   U

87       GP14   U

85       Squib   S

70       Fireball   S

70       Ruffian   S

60       J24   S

60       Shipman   S

52       Dragon   S

50       RS400/200   S

50       420    U

43       Multihulls    U

42       Dragon    S

40       Water Wags    U

40       Wayfarer    S

34       IDRA14    U

33       Puppeteer    U

28       Etchells    S

27       E-Boat    U

26       Glen    S

25       Enterprise    S

18       Sigma 33    S

18       Howth 17    U

13       RS Elite    U