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Displaying items by tag: Geophysical Survey

Geophysical surveys are being undertaken in the Irish Sea in outer Dundalk Bay from this week.

The work is required to provide bathymetric and subsurface information for the development of the Oriel Wind Farm project.

Survey work was expected to start yesterday, Tuesday 20 August, with a view to completion by Monday 30 September, though these dates are weather dependent.

The surveys will be completed using the AMS Retriever (Callsign MEHI8), a versatile multi-purpose, shallow draft tug.

This vessel is towing survey equipment up to 100 metres astern and will be restricted in its ability to manoeuvre.

Other vessels are requested to leave a wide berth. The AMS Retriever will be operating from approximately 6am to 9pm during survey works.

Details of co-ordinates of the survey area are included in Marine Notice No 29 of 2019, a PDF of which is available to read or download HERE.

Published in Coastal Notes

A seabed debris clearance, environmental baseline and habitat assessment site survey will take place in licence SEL 1/11 (Barryroe) from later this month.

Barryroe is located in the North Celtic Sea, some 50 kilometres south of the Port of Cork.

The project is scheduled to commence in mid-August 2019 with the survey vessel Kommandor (callsign MCJO2) anticipated to be working on location for 16 days, excluding transit and any weather delays

Survey operations will be conducted on a 24-hour basis in different phases to include towed and non-towed operations. A fisheries liaison Officer will be on board for the duration of the survey.

Throughout the survey operations, the vessel will be displaying appropriate shapes and lights to indicate that the survey vessel is restricted in its ability to manoeuvre.

All vessels are requested to give this operation a wide berth. A listening watch will be maintained on VHF Channel 16, and the vessel will actively transmit an AIS signal.

Full details of the site survey co-ordinates are included in Marine Notice No 27 of 2019, a PDF of which is available to read or download HERE.

Published in Offshore

Hydrographic and geophysical surveys will be undertaken in the Irish Sea off the Wicklow coast between June and September 2019 to provide bathymetric and subsurface information to facilitate the development of the Arklow Bank Wind Park.

The survey dates are weather dependent but are anticipated to start in June and be completed by the end of September.

The location of the surveys will be off the Wicklow coastline. They will be completed using two vessels working in parallel across the site. The vessels involved are the AMS Panther (Callsign: 2EHC2), which is a 17m windfarm support catamaran, and the AMS Retriever (Callsign: MEHI8) which is a versatile multi-purpose shallow draft tug.

Both vessels will be engaged in survey operations and will be restricted in their ability to manoeuvre. The vessels will be towing survey equipment up to 100 metres astern. Vessels are requested to leave a wide berth. The vessels will be operating 24 hours per day during survey works.

Details of the survey area and relevant co-ordinates are included in Marine Notice No 11 of 2019, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - Maynooth University will carry out a geophysical research survey off the North West Coast of Ireland from next weekend. 

Work is expected to commence on Sunday 6 May and last for approximately nine days, subject to weather conditions.

The Marine Institute’s research vessel RV Celtic Voyager (Callsign EIQN) is scheduled to carry out the works for the Mara survey, undertaken by researchers in Maynooth University to collect geophysical acoustic survey data as well as sediment grab and core samples.

The survey will use relatively low amplitude sound sources to image into the seabed including an echosounder and a sparker system, which will allow for the characterisation of seabed type to inform the deglacial dynamics of the climatically driven British Irish Ice Sheet.

The vessel will, on occasion, be towing a hydrophone cable and other equipment, up to a maximum of 50 metres behind the vessel. The vessel will be restricted in its movements when towing a cable astern.

All other vessels are requested to give the operation a wide berth. The vessel will be listening on VHF Channel 16 throughout the project.

Details of the survey area, relevant co-ordinates and contact information are included in Marine Notice  No 19 of 2018, a PDF of which is available to read or download HERE.

Published in Marine Science

#MarineNotice - Marine Notice No 11 of 2017 advises that a geophysical research survey will be undertaken off the South and East Coasts of Ireland for 16 days from Tuesday 28 March.

The survey is a collaborative effort by researchers in iCRAG, the Irish Centre for Research in Applied Geosciences at University College Cork and the University of Bremen (Germany).

The aim of the survey is to collect geophysical acoustic data in the Irish sector of the Irish Sea and the northern Celtic Sea (including the Dungarvan/Waterford area). The data set will be primarily used to improve knowledge on the nature and formation of recent seabed sediments that were influenced by the Irish Ice Sheet during the last glaciation.

The survey data will help create a 3D geological model and revise existing sub-seabed models of the seabed sediments in the Irish Sea and the northern Celtic Sea.

The RV Celtic Voyager (Callsign EIQN) is scheduled to carry out the survey operations using relatively low amplitude sound sources to image into the seabed including an echosounder, a sparker and a micro air gun seismic system.

The vessel will on occasion be towing a hydrophone cable and other equipment up to a maximum of 250 metres behind the vessel. The vessel will be restricted in its movements when towing a cable astern.

There will be a regular safety message broadcasting on VHF Channel 16 throughout the project.

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

A map and co-ordinates of the survey areas are included in Marine Notice No 11 of 2017, a PDF of which is available to read or download HERE.

Published in Coastal Notes

#MarineNotice - The latest Marine Notice from the Department of Transport, Tourism and Sport (DTTAS) has been advised that a hydrographic and geophysical survey operation will be undertaken by INFOMAR for the Sustainable Energy Authority of Ireland (SEAI) off the Mayo coast, in the Celtic Sea and also in the Irish Sea between 21 March and 30 October 2016.

The RV Celtic Voyager (Callsign EIQN), the RV Celtic Explorer (Callsign EIGB), the RV Keary (Callsign EIGO9), the RV Geo (Callsign EIDK6) and the RV Tonn (Callsign: EIPT7) are expected to carry out survey operations and will be listening on VHF Channel 16 throughout the project.

Details of co-ordinates for the survey operations are included in Marine Notice No 11 of 2016, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - The latest Marine Notice from the Department of Transport, Tourism and Sport (DTTAS) advises that Osiris Projects were last week scheduled to begin marine survey operations off the south coast in the Celtic Sea.

The marine surveys will extend from the shoreline at two locations in Co Cork across the sea to the shoreline at two locations in northern France.

The survey was set to start on Monday 1 June 2015 to last for approximately three weeks, weather permitting. The survey will be conducted by the MV Proteus (Callsign 2HBL7).

The marine surveys will extend from the shoreline at Ballinwilling Strand (main route) and Ballycroneen Beach (alternative route), across the Celtic Sea, passing the Isles of Scilly, to the French coast west of Roscoff at Moguériec (main route) and Pontusval (alternative route).

The corridor width for each landing will be 250 metres from the high water mark to the 10-metre contour, then the corridor will widen to 500m as the route moves to France.

The survey vessel may be found running both along the corridor, and in the general vicinity of the survey corridor. The survey areas are small boxes which are shown in the detail plan HERE.

Survey operations will involve towing survey equipment on and below the water surface, up to 300m behind the vessel. All vessels, particularly those engaged in fishing, are requested to give the MV Proteus and her towed equipment a wide berth and keep a sharp lookout in the relevant areas.

Full co-ordinates for the relevant work areas are detailed in Marine Notice No 25 of 2015, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - The latest Marine Notice from the Department of Transport, Tourism and Sport (DTTAS) advises that a hydrographic and geophysical survey operation will be undertaken by INFOMAR1 off the west coast of Ireland from tomorrow 23 July till 17 August.

The RV Celtic Voyager (Call sign EIQN) – which earlier this year was equipped with a new multibeam sonar – is expected to carry out the survey operations in Killary Harbour and its approaches, off the west coast, in Galway Bay and in an area northwest of Tralee Bay.

The work vessel will be towing a magnetometer sensor with a single cable of up to 100m in length. The vessel will display appropriate lights and markers and will be listening on VHF Channel 16 throughout the course of the survey.

Full details of co-ordinates and maps of the survey areas are included in Marine Notice No 45 of 2014, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - The latest Marine Notice from the Department of Transport, Tourism and Sport (DTTAS) advises that TE SubCom, on behalf of Hibernia Express, is scheduled to carry out a geophysical cable route survey extending south from Ballinspittle.

The survey involves multibeam echo-sounder bathymetry, side-scan sonar, magnetometer and sub-bottom profiling off the Irish coast from Ballinspittle, Co Cork, heading south to the 12nm limit and then into Ireland’s EEZ.

The survey will start on 21 July 2014 and will last for approximately four days, weather permitting. Works will be carried out by the vessel RV Ridley Thomas (Callsign V7JK2).

Inshore at Ballinspittle, shallow water survey operations will be carried out by RV Wessex Explorer (Callsign 2WWE).

Both vessels will be towing survey equipment up to 200m astern and will be restricted in their ability to manoeuvre while carrying out the survey. They will also be listening on VHF Channel 16 throughout the project.

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

Full details of co-ordinates and maps of the survey area are included in Marine Notice No 39 of 2014, a PDF of which is available to read or download HERE.

Published in Marine Warning

#MarineNotice - EGS International Ltd is scheduled today (13 June) to begin a two-day geophysical cable route survey involving multibeam echo-sounder bathymetry, side-scan sonar, magnetometer and sub-bottom profiling off the Irish coast at Killala Bay.

The survey follows from a longer exercise carried out in January this year, and will be focused inshore along a route into Killala Bay detailed by co-ordinates listed in Marine Notice No 34 of 2014, a PDF of which is available to read or download HERE.

The vessel SMS Coastal Cat (call sign EIJD6) is scheduled to carry out the work on a 12-hour operation basis and will display appropriate shapes during daylight operations and lights during night time operations and periods of reduced visibility.

This vessel will be towing survey equipment up to 200m astern and will be restricted in its ability to manoeuvre while carrying out the survey.

As such, all vessels in the area, particularly those engaged in fishing, are requested to give the SMS Coastal Cat and its towed equipment a wide berth and keep a sharp lookout in the relevant areas.

Published in Marine Warning
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