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Scientists measure ocean currents underneath ‘Doomsday Glacier’

Scientists measure ocean currents underneath ‘Doomsday Glacier’

Science
April 9 (UPI) -- For the first time, climate scientists have measured ocean conditions beneath Antarctica's Thwaites Glacier, sometimes called the "Doomsday Glacier." The fresh observations, published Friday in the journal Science Advances, show Thwaites is exposed to larger amounts of warm water than previously estimated. Advertisement Thwaites is thought to be one of the West Antarctic Ice Sheet's most vulnerable glaciers, its location and structure making it especially susceptible to influxes of warm, salty water. In recent years, scientists have watched its grounding line recede and its height shrink as melting rates accelerate. To better understand the vulnerabilities of the glacier's underbelly, scientists sent a remote-controlled submersible named Ran beneath the ice shelf to inve...
Strongest ocean currents will experience more intense heat waves as climate warms

Strongest ocean currents will experience more intense heat waves as climate warms

Science
Aug. 28 (UPI) -- Regions of the ocean that host especially strong currents are more likely to experience intense marine heat waves in the decades ahead, according to a new climate model. Several studies have shown the intensity and frequency of marine heat waves are on the rise. New research -- published Friday in the journal Nature Communications -- suggests the intensity of marine heat wave events will increase at an accelerated rate near large ocean currents. Advertisement According to the new model, the North Atlantic's Gulf Stream, Japan's Kuroshio current, the the Antarctic Circumpolar Current and two major currents near Australia, the Leeuwin current and East Australian Current, will all experience more intense heat waves as the climate continues to warm. "We know marine heat waves...