New study turns subsea cables into powerful ocean sensors, unlocking vast streams of underwater data
National Oceanography Centre
Published: 27 April 2026
Researchers transformed a 28-kilometre subsea fibre optic cable into thousands of virtual sensors detecting seismic activity, ocean currents, and marine life, generating up to 86 terabytes of data daily.
Keywords: fibre optic sensing, ocean monitoring, subsea cables, distributed acoustic sensing, marine technology, underwater data
A critical Atlantic Ocean current shows two-decade slowdown, study finds
University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science
Published: 29 April 2026
Research provides the clearest direct observational evidence that the Atlantic Meridional Overturning Circulation has been weakening at four monitoring sites across the North Atlantic over two decades.
Keywords: AMOC, Atlantic circulation, ocean currents, climate change, North Atlantic, thermohaline circulation, ocean monitoring
Deep-ocean heat has been marching closer to Antarctica, study reveals
University of Cambridge
Published: 28 April 2026
A decades-long study provides the first observational evidence that warm circumpolar deep water has expanded and shifted toward Antarctica's continental shelf, threatening ice shelves holding back glaciers.
Keywords: Antarctica, deep-ocean heat, circumpolar deep water, ice shelves, Southern Ocean, sea level rise, climate change
