Archive for 07/04/2011

Hydro International –

The Maritime and Coastguard Agency (MCA, UK) and six partner organizations launched the Ireland, Northern Ireland and Scotland Hydrographic Survey (INIS Hydro) project at the Belfast Harbor Commissioners Office on Monday 4th July 2011.

INIS Hydro, which receives GBP3.2 million from the European Union’s INTERREG IVA Programme, will produce a standardized hydrographic survey specification and accurate high-resolution bathymetric datasets for seven important seabed areas to the east of Ireland/Northern Ireland and off the west coast of Scotland.

A total of 1400 km2 will be surveyed by the partner organization’s research vessels fitted with multi-beam sonar technology.

High-quality bathymetric information is essential for producing accurate navigational charts and for the effective management and conservation of the marine environment. Despite recent technological advances in high-resolution seabed mapping, some ‘current’ nautical charts still include data from the mid-19th century when depth was measured by lowering lead lines to the seabed at wide intervals.

INIS Hydro will survey the Firth of Lorn and the SW Islay Renewable area in Scotland, Dundalk Bay (shallow and deep) in the Republic of Ireland, and Carlingford Lough and Approaches, Dundrum Bay and parts of the Mourn Coast in Northern Ireland. These areas were selected for their environmental significance, suitability for offshore renewable development, and in all cases to update nautical charts.

The project will thus improve safety at sea and provide supportive data to enable effective marine conservation and management, eg relating to fisheries, marine protected areas and marine renewable energy development.

Full story…

Hydro International –

A network of coastal tidal and wave monitoring stations maintained by Southampton, UK-based EMU Limited recorded the progress of the waves caused by a minor tsunami in the last week of June 2011 along the south coast.

A massive underwater landslide in the Atlantic 200 miles off the Cornish coast is believed to be the cause of a small tsunami along the south coast, creating waves of between 0.5 and 0.8 metres and resulted in abnormal tidal records at the Channel Coastal Observatory and Plymouth Coastal Observatory shore stations.

EMU Limited’s principal MetOcean scientist, Mr Robin Newman, initially thought there was a malfunction with the oceanographic instruments, installed for the Southeast and Southwest Regional Coastal Monitoring Programmes, due to the unusual

“There was a significant amount of variation in the observed data against what would be expected so I checked at multiple sites and they were all consistent with some sort of movement from east to west,” Mr Newman said. “We subsequently realized we had recorded what appears to be a minor tsunami.”

Full story…