Doubling times of 10, 20 or 40 years yield sea level rise of several meters

According to a new study, sea level rise of several meters might happen faster then previously thought. Based on data from past climate changes, when sea level rose to +5–9 m, including the occurrence of extreme storms – during a time when temperatures were less than 1 ◦C warmer than today, experts warn of similar…

Eric Rignot: Observations suggest that ice sheets and glaciers can change faster, sooner and in a stronger way than anticipated

Eric Rignot Professor of Earth system science at the University of California, Irvine, and scientist at NASA’s Jet Propulsion Laboratory was interviewed on sea level rise and projections. Ice sheets and glaciers can change faster, sooner and in a stronger way than anticipated Machens: As an ice sheet expert, how do you see the sea-level projections…

We need to really begin the phase out of CO2 emissions

Think of climate change as a cancer. Your doctor told you that he spotted what appears to be likely a melanoma skin cancer, but he is not 100% sure. Do you wait till the signs become more apparent? The cancer might spread in your body, by that diminishing the chance for survival, or do you ask the…

ScienceCasts: No Turning Back – West Antarctic Glaciers in Irreversible Decline


A 2014 study study led by NASA researchers shows that half-a-dozen key glaciers in the West Antarctic Ice Sheet are in irreversible decline. The melting of these sprawling icy giants will affect global sea levels in the centuries ahead.

Read more http://science.nasa.gov/science-news/science-at-nasa/2014/12may_noturningback/

NASA experts explain ice melt in Antarctica

NASA hosted a media teleconference to discuss new research results on the stability of the West Antarctic Ice Sheet and its potential contribution to future sea level rise. The briefing participants are: — Eric Rignot, professor of Earth system science at the University of California, Irvine, and glaciologist at NASA’s Jet Propulsion Laboratory in Pasadena,…

NASA Antarctic Ice News about Glacier Retreat

Watch a 20 minute excerpt http://climatestate.com/2015/05/23/nasa-experts-explain-ice-melt-in-antarctica/ In 2014, NASA hosted a media teleconference to discuss new research results on the stability of the West Antarctic Ice Sheet and its potential contribution to future sea level rise. The briefing participants are: — Eric Rignot, professor of Earth system science at the University of California, Irvine, and glaciologist…

Sudden ice loss acceleration at the Southern Antarctic Peninsula detected

ESA posted an update on Antarctic ice loss on 22 May 2015. Above animation shows how warm ocean water penetrates the glacier grounding line through basalt melt, threatening speed up of glaciers, discharged into the ocean. A recent acceleration in ice loss in a previously stable region of Antarctica has been detected by ESA’s ice mission. The…

The impacts of sea level rise on nuclear power plants

United States During the 1970s and 1980s, when many nuclear reactors were first built, most operators estimated that seas would rise at a slow, constant rate.  During Superstorm Sandy waves came close to reaching the Salem 1 nuclear reactor at Lower Alloways Creek, New Jersey. While it’s not clear how many current plants will still…

Sea level rise – fact & fiction: John Englander at TEDxBocaRaton

2014, TED Talk: Sea level is rising for the first time in thousands of years. Oceanographer John Englander, author of “High Tide On Main Street” explains why it is unstoppable, regardless of efforts to be ‘green’ and sustainable. Using powerful images, he encourages us to embrace the new reality that the shoreline is moving, that…

Jeremy Jackson: Sea Level Rise is Dangerous

By Daniel L. Kuester, U.S. Naval War College Public Affairs Feb. 4, 2015 NEWPORT, R.I. – Author, researcher and marine biologist Jeremy Jackson gave a presentation titled “Sea Level Rise is Dangerous” at U.S. Naval War College (NWC), Feb. 3, addressing environmental changes and the implications of those events on people. “The threats to the…

Sea Level Rise Projections until 2100, a nonlinear response?

Past sea level rise is not captured by models yet, in particular the response from ice sheets in Antarctica due to global warming. Projections therefore can often be regarded to potentially underestimate future sea level rise. For example, Overpeck et al. (2006), and Hansen (2007) suggest possibilities which could eventually lead to a nonlinear response…

NASA: Vast Antarctic ice shelf a few years from disintegration

NASA has found that the last section of Antarctica’s Larsen B Ice Shelf is likely to disintegrate before the end of the decade. Transcript: We know that this ice shelf existed for at least 11 to 12 thousand years. In 2002, two-thirds of it collapsed in less than six weeks. In the intervening period between…

Rivers of meltwater on Greenland’s ice sheet contribute to rising sea levels

Using satellite and field work after an extreme melt event in Greenland, a UCLA-led study finds that melt-prone areas on its ice sheet develop a remarkably efficient drainage system of stunning blue streams and rivers that carry meltwater into moulins (sinkholes) and ultimately the ocean. However, the team’s measurements at the ice’s edge show that…