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Displaying items by tag: Geophysical Survey

#MarineNotice - The latest Marine Notice from the Department of Transport, Tourism and Sport (DTTAS) advises that a geophysical cable route survey will begin off the Irish coast at Killala Bay on Wednesday 21 May.

TE SubCom is scheduled to carry out the survey, which involving multibeam echo-sounder bathymetry, side-scan sonar, magnetometer and sub-bottom profiling at Killala Bay heading north to the 12nm limit.

The survey will last for approximately 1 week, weather permitting, and will be carried out by the vessel RV Ridley Thomas (Call sign V7JK2).

The vessel will be towing survey equipment up to 200m astern and will be restricted in its ability to manoeuvre whilst carrying out the survey. The RV Ridley Thomas and any assisting project vessels will be listening on VHF Channel 16 throughout the project.

All vessels, particularly those engaged in fishing, are requested to give the RV Ridley Thomas and its towed equipment a wide berth and keep a sharp lookout in the relevant areas.

Co-ordinates for the survey areas and further details are included in Marine Notice No 30 of 2014, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - EGS International Ltd is scheduled to carry out a geophysical cable route survey involving multibeam echo-sounder bathymetry, side-scan sonar, magnetometer and sub-bottom profiling off the Irish coast at Killala Bay heading north to the 12nm limit.

The survey will start on Monday 13 January 2014 and will last for approximately one month, weather permitting.

The route of the survey from the 12-nautical-mile territorial limit into Killala Bay is detailed in Marine Notice No 11 of 2014, a PDF of which is available to read and download HERE.

The vessels SMS Coastal Cat (call sign EIJD6) and EGS Pioneer (call sign 2EGS9) are scheduled to carry out the work on a 12-hour and 24-hour operation basis respectively, and will display appropriate shapes during daylight operations and lights during night time operations and periods of reduced visibility.

The vessels will be towing survey equipment up to 200m astern and will be restricted in their ability to manoeuvre while carrying out the survey, and all vessels are requested to give this operation a wide berth. All project vessels will be listening on VHF Channel 16 throughout the project.

All vessels, particularly those engaged in fishing, are requested to give the SMS Coastal Cat and EGS Pioneer, and their towed equipment, a wide berth and keep a sharp lookout in the relevant areas.

Published in Marine Warning

#MarineNotice - Osiris Projects is carrying out a geophysical survey off the east coast of Ireland for the next two weeks, according to the latest Marine Notice from the Department of Transport, Tourism and Sport.

The survey began yesterday 26 August, and will last around 19 days, weather permitting. The works involve a side-scan sonar, magnetometer, multi-beam echo-sounder bathymetry and sub-bottom profiling throughout the entire survey area.

The vessel MV Chartwell (Call sign MHGV6) is scheduled to carry out the work during 24-hour operations and will display appropriate day shapes and lights during reduced visibility and night operations.

MV Chartwell will be listening on VHF Channel 16 throughout the project and will also be transmitting on AIS.

The work vessel will be towing survey equipment up to 200m and will be restricted in her ability to manoeuvre. All vessels, particularly those engaged in fishing, are requested to give the MV Chartwell and her towed equipment a wide berth and keep a sharp lookout in the relevant areas.

Full details of co-ordinates of the relevant survey area are included in Marine Notice No 43 of 2013, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - The Department of Transport, Tourism and Sport (DTTAS) has issued a Marine Notice advising that a hydrographic and geophysical survey operation is taking place off the south coast till 4 June.

The RV Celtic Voyager (Call sign EIQN) - which performed a similar task off the Clare coast last month - is carrying out the survey operations in an area along the Cork coast marked out in Marine Notice No 18 of 2013, a PDF of which is available to read or download HERE.

The vessel will be towing a magnetometer sensor with a single cable of up to 100m in length. As usual, the vessel will display appropriate lights and markers, and will be listening on VHP Channel 16 throughout the project.

Published in Marine Warning

#MarineNotice - Marine Notice No 15 of 2013 from the Department of Transport, Tourism and Sport (DTTAS) advises mariners that a hydrographic and geophysical survey operation is being undertaken by INFOMAR for the Sustainable Energy Authority of Ireland till 25 April.

The RV Celtic Voyager (Call sign EIQN) is carrying out the survey operations within an area bounded by co-ordinates included in the notice, available as a PDF to read or download HERE.

The vessel is towing a magnetometer sensor with a single cable of up to 100m in length. It is also displaying appropriate lights and markers, and will listen in on VHF Channel 16 throughout the project.

Meanwhile, Marine Notice No 16 of 2013 advises that Shell E&P Ireland is deploying a Waverider buoy off northwest Co Mayo to help predict sea conditions for the laying of an offshore umbilical to the Corrib Gas Field later this year.

The buoy is yellow in colour and will flash yellow five times every 20 seconds. The notice includes an image of what the buoy looks like in the water, as well as the co-ordinates of its placement.

All vessels are requested to give the wave buoy a wide berth.

Published in Marine Warning
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Marine Science Perhaps it is the work of the Irish research vessel RV Celtic Explorer out in the Atlantic Ocean that best highlights the essential nature of marine research, development and sustainable management, through which Ireland is developing a strong and well-deserved reputation as an emerging centre of excellence. From Wavebob Ocean energy technology to aquaculture to weather buoys and oil exploration these pages document the work of Irish marine science and how Irish scientists have secured prominent roles in many European and international marine science bodies.

 

At A Glance – Ocean Facts

  • 71% of the earth’s surface is covered by the ocean
  • The ocean is responsible for the water cycle, which affects our weather
  • The ocean absorbs 30% of the carbon dioxide added to the atmosphere by human activity
  • The real map of Ireland has a seabed territory ten times the size of its land area
  • The ocean is the support system of our planet.
  • Over half of the oxygen we breathe was produced in the ocean
  • The global market for seaweed is valued at approximately €5.4 billion
  • · Coral reefs are among the oldest ecosystems in the world — at 230 million years
  • 1.9 million people live within 5km of the coast in Ireland
  • Ocean waters hold nearly 20 million tons of gold. If we could mine all of the gold from the ocean, we would have enough to give every person on earth 9lbs of the precious metal!
  • Aquaculture is the fastest growing food sector in the world – Ireland is ranked 7th largest aquaculture producer in the EU
  • The Atlantic Ocean is the second largest ocean in the world, covering 20% of the earth’s surface. Out of all the oceans, the Atlantic Ocean is the saltiest
  • The Pacific Ocean is the largest ocean in the world. It’s bigger than all the continents put together
  • Ireland is surrounded by some of the most productive fishing grounds in Europe, with Irish commercial fish landings worth around €200 million annually
  • 97% of the earth’s water is in the ocean
  • The ocean provides the greatest amount of the world’s protein consumed by humans
  • Plastic affects 700 species in the oceans from plankton to whales.
  • Only 10% of the oceans have been explored.
  • 8 million tonnes of plastic enter the ocean each year, equal to dumping a garbage truck of plastic into the ocean every minute.
  • 12 humans have walked on the moon but only 3 humans have been to the deepest part of the ocean.

(Ref: Marine Institute)

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