2023 has gone from bad to worse for Earth's southern ocean.
the lack of ice also helped increase surface air temperatures, which in turn likely warmed surface waters to create a positive feedback loop further preventing ice formation.
If enough sea ice melts around Antarctica, scientists fear it could set off further positive feedback loops, as"It's not just the extent of the ice, but also the duration of the coverage," cryospheric scientist Rob Massom, of the Australian Antarctic Division, explained to"If the sea ice is removed, you expose floating ice margins to waves that can flex them and increase the probability of those ice shelves calving. That then allows more grounded ice into the ocean.
Without more research, scientists are simply unable to predict what will become of the southern ocean's sea ice in the years to come.
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