Perhaps the ice had been
thinned by ocean currents that deliver warm water from below, or by the wind, which could generate open water areas.
Not exact matches
Temperature observations are sparse around the hostile continent, but scientists recently modeled the
ocean current knock - on effects of these wind changes, which have been caused
by ozone
thinning and
by the buildup of greenhouse gases.
I suspect that larger tidal
currents over shallow water mix
ocean heat up to the surface to keep these waters covered
by water or dangerously
thin ice.
Hamish Pritchard prepares us, «In most places in Antarctica, we can't explain the ice - shelf
thinning through melting of snow at the surface, so it has to be driven
by warm
ocean currents melting them from below.