Thousands of marks on the Antarctic seafloor, caused by icebergs which broke free from glaciers more than ten thousand years ago, show how part of the Antarctic
Ice Sheet retreated rapidly at the end of the last ice age as it balanced precariously on sloping ground and became unstable.
Not exact matches
«As the
ice sheet rapidly retreated, the hydrates concentrated in mounds, and eventually started to melt, expand and cause over-pressure.
Today, as warming waters caused by climate change flow underneath the floating
ice shelves in Pine Island Bay, the Antarctic Ice Sheet is once again at risk of losing mass from rapidly retreating glacie
ice shelves in Pine Island Bay, the Antarctic
Ice Sheet is once again at risk of losing mass from rapidly retreating glacie
Ice Sheet is once again at risk of losing mass from
rapidly retreating glaciers.
«If we remove these buttressing
ice shelves, unstable ice thicknesses would cause the grounded West Antarctic Ice Sheet to retreat rapidly again in the futu
ice shelves, unstable
ice thicknesses would cause the grounded West Antarctic Ice Sheet to retreat rapidly again in the futu
ice thicknesses would cause the grounded West Antarctic
Ice Sheet to retreat rapidly again in the futu
Ice Sheet to
retreat rapidly again in the future.
Polar amplification, in which temperatures at the poles rise more
rapidly than temperatures at the equator (due to factors like the global atmospheric and oceanic circulation of heat from the equator to the poles), plays a major role in the rate of
ice sheet retreat.
It also drained to the Chehalis River until the Chimacum Valley, in the northeast Olympic Peninsula, melted, allowing the lake's water to
rapidly drain north into the marine waters of the Strait of Juan de Fuca, which was rising as the
ice sheet retreated.
Polar amplification, in which temperatures at the poles rise more
rapidly than temperatures at the equator (due to factors like the global atmospheric and oceanic circulation of heat from the equator to the poles), plays a major role in the rate of
ice sheet retreat.
After the
ice sheets began to melt and
retreat, sea level rose
rapidly, with several periods of even faster spurts.
The evidence for rapid climate change is compelling: Sea level rise, Global temperature rise, Warming oceans, Shrinking
ice sheets, Declining Arctic sea
ice, Glacial
retreat, Extreme events, Ocean acidification, Decreased snow cover http://climate.nasa.gov/evidence/ It's changing «
rapidly».
The study's major achievement is the addition of two key
ice melting processes left out of all Antarctica - wide models to this point: Meltwater ponding and crevasse formation on the surface of
ice sheets — so called «hydrofracturing» — and the tendency of
ice sheets that are grounded on marine bedrock to
rapidly retreat.