1/19/2023 0 Comments Termus crack only![]() ![]() ‘I developed a computer model that stimulates how the first iceberg calving of the warm season creates a shock wave that travels through the jammed melange, breaking it up,’ says Alexander Robel, a National Oceanic and Atmospheric Administration Postdoctoral Scholar and Stanback Postdoctoral Scholar at Caltech. The new animation from Caltech reveals the effect of this process. ![]() In the winter, the icebergs that make up the melange freeze together, creating a ‘frozen iceberg logjam’ that prevents more material from breaking off.īut, as the weather gets warmer, the sea ice begins to thin, eventually allowing for the first calving event in the summer. Melange is a ‘floating aggregation of sea ice and icebergs,’ and scientists have long speculated that it may apply enough force on a glacier’s terminus to suppress calving. The new study from California Institute of Technology examined the effect of the ‘melange’ breakup on iceberg calving – or the process of shedding chunks of ice. Understanding these processes could help scientists to better predict how melting ice will contribute to sea-level rise. This shock wave causes sea ice to shift and can even spur ‘widespread fracture,’ increasing the chances of subsequent breakage events. New computer simulations reveal the shock wave created when a chunk of ice breaks off a glacier. Stunning simulations reveal the shock waves that cause chunks of ice to calve ![]()
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