Irish marine ecosystems under growing environmental pressures
The Gulf Stream, a strong ocean current that brings warm water from the Gulf of Mexico into the Atlantic Oceanis predicted to decrease by 30 per cent into the future, with a low risk it will collapse completely, said report co-author Dr Gerard McCarthy of the ICARUS research facility at Maynooth University.
Separate to rising global sea levels, Dr McCarthy said a hangover from the ice age meant the southern part of the island was sinking, which was accelerating sea level rise beyond what was being seen in the north. In spite of a weakened Gulf Stream Ireland faces a stormier future with more rainfall in winter and less in summer. With a preponderance of surface waters over land, this means conditions could change quickly to a hosepipe ban despite being preceded by a long period of heavy rainfall, the report notes.
“We also need to predict or project what will happen to our oceans in the future using climate models. Based on this evidence we have set out ambitious climate action targets that include an annual reduction in emissions,” he added.
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