summary - Results from a new climate reconstruction of how Antarctica's ice sheets responded during the last period when atmospheric carbon dioxide reached levels like those expected to occur in about 30 years, plus sediment core findings reported in a companion paper, suggest that the ice sheets are more vulnerable to rising atmospheric carbon dioxide than previously thought.
Tuesday, February 23, 2016
Antarctic Ice Sheets
Science Daily: Antarctic ice sheet is more vulnerable to carbon dioxide than expected - Researchers assess Antarctic ice sheet variables and behavior
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3 comments:
We are facing the collapse of parts of the planets major ice sheets in Antarctica and Greenland. Add on top of this the loss of summer sea ice in the Arctic and you have a developing disaster. The unknown is the time frame. Some scientists say in this century others say in the next. What's clear is it's going to happen and sea level is already rising at an accelerating rate and it's possible the rate could increase dramatically. Right now the most conservative estimates of sea rise for this century are from 1.5 feet to 3 feet. Personally, I don't think these figures are realistic and are way to the low side of the data. I say this because even the IPCC report ( the UN Climate panel) doesn't include any data on possible contributions from Antarctica or Greenland because of a dispute on the committee. This really skews the report to an unrealistically low side. Add in these two huge sources and were in for a really nasty situation.
It's interesting how we cycle through the various problems and changes that global warming brings. Right now people's attention have been brought back to sea level rise as a result of melting ice from the Arctic, Antarctic, and Greenland. I know that you are near the ocean and that you have a strong reason to know about sea level rise. Has sea level rise manifested in your area?
I have lived by the Ocean my entire life and I have witnessed the sea relentlessly rising and can attest to the FACT of it's rise with my own eyes. Flooding as one measure of this rise is many times worse then it ever was when I was a child. Mayor storms now happen more often and even mid. size ones drive flooding in areas that once only flooded rarely. Standing water is also in areas it never was when I was young. Add to this that all the beaches have eroded and are moving back and all the bays are seeing open water many times a yr. when this was a very rare sight in the last century. By every measure the sea is rising and I fear we will face the loss of much of the barrier islands and beaches within this century and the beginning of the next. Then it will be the turn of most of the major coastal cities and ports and places like Southern Fla. and other low lying areas along the East and Gulf coasts. We are not prepared for what's happening not even remotely.
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