Increasing seasonal fluctuations in sea level are under-reported, but could have a major impact
Royal Netherlands Institute for Sea Research (NIOZ)
Published: 13 May 2026
Sea levels show increasingly extreme seasonal swings that could reshape coastal ecosystems like mudflats and salt marshes, according to a study in Nature Climate Change by researchers from NIOZ, Utrecht University, and partners.
Keywords: sea level rise, seasonal variability, coastal ecosystems, mudflats, salt marshes, intertidal, climate change, Nature Climate Change
Arctic food chain hit as tipping point passed
University of Edinburgh
Published: 28 May 2026
Twenty years of ocean sampling data reveals Arctic sea ice loss has triggered an irreversible decline in nitrate levels, threatening plankton at the base of the Arctic food chain.
Keywords: Arctic Ocean, sea ice, nitrate, plankton, tipping point, benthic denitrification, food chain, polar oceanography
Lost Wilsons Promontory wave buoy completes extraordinary Tasman voyage
Integrated Marine Observing System
Published: 11 May 2026
An IMOS Sofar Spotter wave buoy broke free during a storm off Australia, traveled across the Tasman Sea via the East Australian Current, and was eventually recovered by a New Zealand fisher.
Keywords: wave buoy, Tasman Sea, East Australian Current, ocean observing, Southern Ocean, ocean currents, citizen science
