The origin of seismic Love waves induced by ocean waves â one of the four types of energy waves that are also produced by earthquakes â has been a mystery since they were discovered in 1911. That mystery has been solved by scientists at the Dublin Institute of Advanced Studies (DIAS) in findings reported in Nature Communications.
Seismology is the science of studying earthquakes. The field has a long history in Ireland going back to Robert Mallet, the Dubliner who, in 1849, proved that energy waves arising from rock movements were what triggered earthquakes. This revelation, demonstrated by an experiment on Killiney beach, saw the birth of seismology.
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IMAGE: First author Adrienn Maria Szucs with Professor Juan Diego Rodriguez-Blanco in Trinity s Museum Building view more
Credit: Trinity College Dublin
Researchers from Trinity College Dublin have shed new light on the formation mechanisms of a rare earth-bearing mineral that is in increasingly high demand across the globe for its use in the green energy and tech industries.
Their discovery has important economic implications because there are no substitute alternatives to these rare earth elements (REEs), which are indispensable due to their ability to form small and very powerful magnets essential for smart devices and low-carbon energy generation (e.g., electronics, wind turbines, hybrid cars).
Noise of Bottom Trawling Disturbs Marine Mammals, NUIG Study Finds
14th December 2020
A Sperm Whale pod; Irish researchers have found the noise from deep-water trawling can upset whales
Credit: Wikimedia
Whales are known to be disturbed by the noise of ships and oil and gas drilling, but now a new study says that bottom trawling can also upset marine mammals.
As the Irish Independent reports today, scientists at NUI Galway’s (NUIG) Ryan Institute have found that the sound generated by trawling for fish around underwater canyons is amplified and may affect marine mammals’ ability to hunt and navigate.
The team used hydrophones to record the impact on the marine environment of trawlers in two surveys in the Irish Sea and Celtic Sea.