Not exact matches
According
to the Center for Remote Sensing of Ice
Sheets (CReSIS), an NSF Science and Technology Center led by the University of Kansas, the melt from Greenland's ice
sheet contributes to global
sea level rise at a rate of 0.52 millimeters annually.
The 2007 IPCC report assumed that the two ice
sheets would
contribute just 0.3 millimetres a year
to sea -
level rise for the next century.
If there's anything more complicated than the global forces of thermal expansion, ice
sheet melt and ocean circulation that
contribute to worldwide
sea -
level rise, it might be the forces of real estate speculation and the race - based historical housing patterns that color present - day gentrification in Miami.
Climate change is driving the Greenland Ice
Sheet to melt, which is
contributing to sea level rise.
Melting of ice shelves does not directly
contribute to sea -
level rise, but instead they hold back water frozen in the larger ice
sheet that will cause
sea levels to rise.
At a global scale, the increased melting of the ice
sheet contributes to rising sea level and may impact global ocean circulation patterns through the so - called «thermohaline circulation'that sustains among others, the Gulf Stream, which keeps Europe warm.
Recent estimates suggest the West Antarctic Ice
Sheet alone could
contribute 3.3 metres
to long - term global
sea level rise.
GRACE showed that the melting polar ice
sheets are
contributing more
to sea level rise than the demise of mountain glaciers.
During this period, we estimate that the Eurasian Ice
Sheet contributed around 2.5 metres
to global
sea level rise» states Patton.
A report from the Intergovernmental Panel on Climate Change last year found that between 1993 and 2010, the Greenland ice
sheet contributed less than 10 percent
to global
sea -
level rise.
«Studies have shown that both the Greenland and Antarctic ice
sheets contributed significantly
to this
sea level rise above modern
levels,» said Anders Carlson, an Oregon State University glacial geologist and paleoclimatologist, and co-author on the study.
The estimates of ice loss also helped them calculate the amount of
sea level rise contributed by the ice
sheet prior
to 1990 — a number missing from the most recent Intergovernmental Panel on Climate Change report because of the lack of direct observations.
Indeed, within the Baltic
Sea, the multitude of small Alaskan Glaciers actually now contributes more to local sea - level rise than the massive Greenland ice she
Sea, the multitude of small Alaskan Glaciers actually now
contributes more
to local
sea - level rise than the massive Greenland ice she
sea -
level rise than the massive Greenland ice
sheet.
For example, ice loss in far - off West Antarctica will have more profound impacts in Scandinavia than it will in nearby Australia, while right now melting Alaskan glaciers
contribute more
to sea -
level rise in the Baltic than the Greenland ice
sheet.
«As a result of the acceleration of outlet glaciers over large regions, the ice
sheets in Greenland and Antarctica are already
contributing more and faster
to sea level rise than anticipated,» he observed.
GRACE - FO and ICESat - 2 will use radically different techniques
to observe how the massive ice
sheets of Greenland and Antarctica are changing over time and how much they are
contributing to sea level rise.
One recent modeling study focused on this mode of instability estimated that the Antarctic ice
sheet has a 1 - in - 20 chance of
contributing about 30 centimeters (1.0 feet)
to global average
sea -
level rise over the course of this century and 72 centimeters (2.4 feet) by the end of the next century.
Satellite and direct measurements now demonstrate that both the Greenland and Antarctic ice -
sheets are losing mass and
contributing to sea level rise at an increasing rate.
From 1993
to 2003, thermal expansion
contributed slightly more than half the
sea level rise with the rest coming from melting glaciers and ice
sheets (IPCC AR4).
Rising Seas: Warmer ocean water temperatures, the pumping of ground water, and melting of the polar ice
sheets have added water
to the oceans,
contributing to sea level rise.
Regular followers of RealClimate will be aware of our publication in 2009 in Nature, showing that West Antarctica — the part of the Antarctic ice
sheet that is currently
contributing the most
to sea level rise, and which has the potential
to become unstable and
contribute a lot more (3 meters!)
The conclusion that the Greenland ice
sheet melting was significantly enhanced by the increased N. Hemispheric insolation during the Eemian affects projections of future (near term)
sea level rise insofar as Greenland melt
contributed to the Eemian
sea level rise.
In the first comprehensive international report on Antarctica's climate, there was strong agreement that the West Antarctic Ice
Sheet will
contribute substantially
to the ongoing
rise in
sea levels in a warming world, while increased snowfall in the interior could offset the contribution somewhat.
Land - based ice in glaciers and ice -
sheets will keep
contributing to sea level rise as long as melting exceeds snowfall accumulation; stopping the growth of temperature would not stop the net melting.
These glaciers already
contribute significantly
to sea level rise, releasing almost as much ice into the ocean annually as the entire Greenland Ice
Sheet.
Finally, there is another way how ice
sheets can
contribute to sea level rise: rather than melting at the surface, they can start
to flow more rapidly.
Moreover, recent studies suggest that ice
sheet loss is accelerating and that future dynamics and instability could
contribute significantly
to sea level rise this century.
A study using Earth Remote Sensing satellite radar interferometry (EERS - 1 and -2) observations from 1992 through 2011 finds «a continuous and rapid retreat of the grounding lines of Pine Island, Thwaites, Haynes, Smith, and Kohler» Glaciers, and the authors conclude that «this sector of West Antarctica is undergoing a marine ice
sheet instability that will significantly
contribute to sea level rise in decades
to centuries
to come» (Rignot et al. 2014).
The melting of the Greenland ice
sheet is projected
to continue and
to contribute to sea level rise after 2100.
According
to their simulations, the Antarctic ice
sheet could
contribute up
to 30 cm of
sea -
level rise by 2100 and 72 cm by 2200.
She has conducted extensive research on the two largest masses of ice on Earth — the Antarctic and Greenland ice
sheets — with the goal of understanding how these entities are shrinking and
contributing to sea level rise as the planet's climate warms.
Satellite and direct measurements now demonstrate that both the Greenland and Antarctic ice -
sheets are losing mass and
contributing to sea level rise at an increasing rate.
Kjær, Kjeldsen and Korsgaard's team shows that the ice
sheet «
contributed substantially
to sea level rise throughout the 20th century, providing at least 25 ± 9.4 millimeters of the total global mean
rise,» writes Csatho, an associate professor of geology in UB's College of Arts and Sciences, in her News and Views analysis.
These measurements, Mann said, suggest the Antarctic ice
sheet is already losing mass and
contributing to sea level rise.
Melting of glaciers and ice
sheets is also
contributing to sea level rise at increasing rates.6
The melting of the Antarctica ice
sheet, on the other hand,
contributed five millimeters
to the
sea level rise during the same period.
The warming of oceans and the melting of ice
sheet and glaciers, particularly in Antarctica and Greenland, have
contributed to the hastening
sea level rise.
During this period, we estimate that the Eurasian Ice
Sheet contributed around 2.5 metres
to global
sea level rise» states Patton.
High confidence that glacier mass loss in Alaska and British Columbia is high,
contributing 20 %
to 30 % as much
to sea level rise as does shrinkage of the Greenland Ice
Sheet.
The cities» lawsuits allege — supported by modern climate science — that major oil and natural gas companies
contribute substantially
to global warming by extracting and using fossil fuels, which emit massive quantities of heat - trapping greenhouse gases into the atmosphere, causing ocean waters
to warm and ice
sheets to melt, and thus,
sea levels to rise, endangering coastal communities.
The rate at which the melting Greenland ice
sheet contributed to global
sea -
level rise more than doubled from 1996
to 2006.2 (See Greenland ice
sheet hotspot for more information on
sea -
level rise.)
Scientists have recently observed major changes in these glaciers: several have broken up at the ocean end (the terminus), and many have doubled the speed at which they are retreating.2, 5 This has meant a major increase in the amount of ice and water they discharge into the ocean,
contributing to sea -
level rise, which threatens low - lying populations.2, 3,5 Accelerated melting also adds freshwater
to the oceans, altering ecosystems and changing ocean circulation and regional weather patterns.7 (See Greenland ice
sheet hotspot for more information.)
In climate science, a hypothesis has been advanced that says a
rise in human CO2 emissions will cause polar ice
sheets to dramatically recede and
contribute meters
to sea level rise within a span of decades.
The Huffington Post: Greenland and Antarctica are home
to the two largest ice
sheets in the world, and a new report released Wednesday says that they are
contributing to sea level rise twice as much as they were just five years ago.
«It is really important
to understand how the Greenland ice
sheet flows, slides and melts today in order
to be able
to predict how it will
contribute to sea level rise in the future,» Dr. Colgan said.
In addition, Arctic glaciers and the Greenland Ice
Sheet are expected
to change significantly and
contribute to sea level rise in the coming decades.»
Deep uncertainty persists about the likelihood of a rapid ice -
sheet «collapse»
contributing to a major acceleration of
sea -
level rise; for the coming century, the probability of such an event is generally considered
to be low but not zero (e.g., Bamber and Aspinall, 2013).
Satellite and direct measurements now demonstrate that both the Greenland and Antarctic ice
sheets are losing mass and
contributing to sea level rise at an increasing rate.
Researchers at NASA and the University of California, Irvine note that these glaciers already
contribute significantly
to sea level rise, releasing almost as much ice into the ocean annually as the entire Greenland Ice
Sheet.
For example, the melting of the Greenland ice
sheet broke previous records in 2002, 2005, and 2007, and seasonal melting from 1996
to 2007 was above average compared with the 1973 - 2007 period.10, 11 The melting of the Greenland ice
sheet contributed around 0.02 inch (0.6 millimeter)
to global
sea -
level rise in 2005 — more than double the 1996 contribution.4 From 1993
to 2003 the average rate of
sea -
level rise increased
to about 0.12 inches (3.1 millimeters) per year.12 That means that in 2005 Greenland could have
contributed 19 percent of the average annual global
sea level rise rate.