Not exact matches
The revised estimate for
sea - level rise comes from
including new processes in the 3 - dimensional
ice sheet model, and testing them against past episodes of high
sea - levels and
ice retreat.
It's worth posting the voices of a few more scientists to address persistent questions here about a possible connection between
retreating Arctic Ocean
sea ice and seabed volcanic activity two miles below —
including a Vesuvius - size eruption in 1999.
These
include increases in heavy downpours, rising temperature and
sea level, rapidly
retreating glaciers, thawing permafrost, lengthening growing seasons, lengthening
ice - free seasons in the ocean and on lakes and rivers, earlier snowmelt, and alterations in river flows.
The effect of last summer's wind anomaly and
ice - albedo feedback may be found in a number of publications,
including ours: Zhang, J., R.W. Lindsay, M. Steele, and A. Schweiger, What drove the dramatic
retreat of Arctic
sea ice during summer 2007?
For example, a study at Scripps Institute of Oceanography showed that just the
retreat of
sea ice alone is equivalent to adding a quarter to the amount of anthropogenic CO2 release into the atmosphere and
including the snow line
retreat, it adds one - half.
The evidence
includes accelerated
sea level rise, rising global temperatures, warming oceans, declining Arctic
ice sheet, worldwide glaciers
retreat, increase of extreme weather events and ocean acidification.
Because of its cold - adapted features and rapid warming, climate change impacts on Alaska are already pronounced,
including earlier spring snowmelt, reduced
sea ice, widespread glacier
retreat, warmer permafrost, drier landscapes, and more extensive insect outbreaks and wildfire, as described below.
It will also confirm the accelerated rate of change for impacts such as
sea - level rise, the steady
retreat of Arctic
sea ice and quickened melting of
ice sheets and glaciers, as well as offer more detail on scenarios that will shape international negotiations over both short - term and long - term greenhouse gas emissions,
including how long «business as usual» can be sustained without dangerous risk.