Sentences with phrase «ice loss compared»

Recent studies have also zeroed in on the relative contribution of manmade global warming to sea ice loss compared to natural climate factors.
Five (5) respondents suggest additional ice loss compared to the 2007 minimum.
Pokrovsky predicts a further acceleration of melting of the thin ice and in general greater ice loss compared to his June prediction; this change is based on the increase in the sea surface temperature (SST) anomalies in the North Atlantic and the presence of hot air masses over Siberia and the Russian Arctic.
The July 2008 pressure pattern suggests some support for additional sea ice loss compared to climatology, but less than in 2007, and emphasizes loss in the Beaufort Sea over the Chukchi and East Siberian Seas.

Not exact matches

They then compared each year's loss with that calculated from readings by the GRACE satellite, which «weighs» the ice sheet by measuring its gravity.
Dirk Notz and Julienne Stroeve have now compared corresponding model calculations with data from satellite measurements, and discovered that the climate models underestimate the loss of Arctic sea ice.
«At the same time, the mass loss on the ice sheet is not very large compared to how much mass they store.»
The team also compared the ice loss up until the mid-1980s to that observed by satellites over roughly the last decade and found that today the rate of ice loss is twice the 20th century average, mostly because of increased water runoff from the ice sheet's surface.
Emissions reductions should increase significantly compared to current mitigation scenarios that do not include Arctic sea - ice loss.
Just thinking out loud (and I only know enough to be dangerous;), but with IR radiation mapping during winter, one might be able to infer a sub-surface temperature profile and compare that with mass loss and ice sheet thickness.
Scientists now know there was a substantial jump in ice loss from 2002 through 2004 compared to previous years.»
jetfuel, setting aside the different effects of ice in different locations outlined by scaddenp... you are also comparing the antarctic annual volume loss rate to (vague generalizations of) the Canadian annual volume maximum.
Anyhow, the Antarctic sea ice up is statistically significant - but insignificant compared to the Arctic loss.
Although that's really all that needs be said, I should add that jetfuel is trying to compare cumulative year - over-year land ice mass loss in Antarctica with (cyclical) seasonal river / lake ice volume gain in Canada - and ignoring the inevitable melt - away of the latter.
In case of achieving the 450 Scenario, that for instance requires all industrialised nations to reduce their GHG emissions by 25 - 40 percent between 1990 and 2020, Arctic summer sea ice would recover from around 2035 - quite sharply - and establish a new equilibrium state at around 2.5 million square kilometres of ice, still a loss of almost 2 million compared to the current situation.
In any case, any changes in average volume over the course of the year have been minimal compared to the Antarctic ice loss.
As far as am I serious, I was comparing to the seasonal N.A. lake ice because 81 out of 26.45 million gigatonnes isn't an appreciative amount of loss.
The twenty year cumulative 1620 GT loss of Antarctic Land Ice, when compared to the 26450000 GT on Antarctica is.00006 or.000003 per year on avg.
However, record loss in 2012 compared to 2007 depended more on preconditioning with thinner and more mobile sea ice field (Parkinson and Comiso 2013, Zhang et al. 2013).
Sea ice covered a smaller area in 2009 compared to 2008 until August, at which point ice loss in 2008 surpassed 2009.
«Compared to the Arctic, global warming causes only weak Antarctic sea ice loss, which is why the IPO can have such a striking effect in the Antarctic,» explained study's co-author Cecilia Bitz from University of Washington in a statement.
The rate of ice mass loss in the Russian Arctic has nearly doubled over the last decade when compared to records from the previous 60 years, a new study shows.
We are seeing an increase in the recent speed of ice loss, when compared to the long - term ice - loss rate,» says lead researcher Whyjay Zheng, a doctoral student in geophysics at Cornell University.
Compared with the median ice cover from 1981 - 2010, 2013's Arctic sea ice loss comes out to approximately 1.74 times the land area of Texas.
The remaining estimates fall into «high» and «low» extent groupings: the low extent group with a range of 4.2 to 4.7 million square kilometers, representing a continued loss of sea ice extent compared to 2008/2009, and the high extent group of 5.4 to 5.7 million square kilometers, suggesting a return to the long - term trend for summer sea ice loss.
Looking at AR5, these seem to be the take away messages: «Comparing trends from the CCSM4 ensemble to observed trends suggests that internal variability could account for approximately half of the observed 1979 — 2005 September Arctic sea ice extent loss
This work showed that the rate of ice loss in Antarctica has doubled since 2010, when compared to the period from 2005 to 2010.
Further, it only took one month of persistent wind conditions to slow the rate of sea ice loss, resulting in an increase in 2009 sea ice extent compared to 2007 and 2008.
Compared to last year, the sea - ice extent is similar, but the ice age data indicates that the ice pack is more vulnerable to loss this year.
Overall, we conduct five different experiments using WACCM4 to compare the atmosphere responses to loss of sea ice concentration (SIC), loss of sea ice thickness (SIT), and their combined effect (NET).
As we approach the time when increase / decrease in Arctic ice is reported, it will be interesting to see if this year has achieved any gain or loss compared to records.
Satellite images — comparing average ice loss from 2003 to 2007 with the 2003 - 2009 average — show rapid loss around the perimeter of the ice sheet, reflecting the melting of outlet glaciers.10
The tiny 5 - 7 % loss of Arctic sea ice is very small to the earth's radiation heat balance compared to that.
Compared to the decade previous, this summer's Arctic summer ice loss of 4.1 mKm2 sea ice plus ~ 1.5 m km2 of land ice melting, on Greenland and other Arctic islands, considerably exceeds 1 % of the area of the Earth
He compared the study's conclusions and methods about ice loss to trying to predict stock market growth for the next few centuries from one decade of data.
In 2002, the Larsen B ice shelf collapsed; in 2003, the World Glacial Monitoring Service reported that «The recent increase in the rates of ice loss over reduced glacier surface areas as compared with earlier losses related to larger surface areas (cf. the thorough revision of available data by Dyurgerov, 2002) becomes even more pronounced and leaves no doubt about the accelerating change in climatic conditions.»
By comparing changes in ice thickness taken in 1999 to measurements made earlier in the decade, they concluded that the continent is giving up nearly 50 gigatons — that s 50 billion tons — of water per year, with greatest losses coming from the eastern coast.
In 2007, scientists observed a nearly 50 percent loss of summer ice as compared to 1980.
On May 19 of last year, another study showed that the rate of ice loss in Antarctica has doubled since 2010, when compared to the period from 2005 to 2010.
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