Sentences with phrase «sea ice increased between»

Earlier data are scarce, but past research has suggested that Arctic sea ice increased between about 1950 and 1975.

Not exact matches

That half a degree is the difference between low - lying island states surviving, or Arctic ice remaining over the North Pole in summer, or increasing the risk of losing the Western Antarctic Ice Sheet or Greenland ice sheet (either one of which implies an eight - metre sea level risice remaining over the North Pole in summer, or increasing the risk of losing the Western Antarctic Ice Sheet or Greenland ice sheet (either one of which implies an eight - metre sea level risIce Sheet or Greenland ice sheet (either one of which implies an eight - metre sea level risice sheet (either one of which implies an eight - metre sea level rise.)

«This paper ties it all together and shows a very clear relationship between the disappearance of sea ice and increasing predation intensity on seabirds,» says Andrew Derocher, a polar bear specialist and Arctic ecologist at the University of Alberta in Edmonton, Canada.

In a computer simulation that includes detailed interactions between wind and sea, thick ice — more than 6 feet deep — increased by about 1 percent per year from 1979 to 2010, while the amount of thin ice stayed fairly constant.

While the Alps could lose anything between 75 percent and 90 percent of their glacial ice by the end of the century, Greenland's glaciers — which have the potential to raise global sea levels by up to 20 feet — are expected to melt faster as their exposure to warm ocean water increases.

That's because increasing clouds will cut the direct SW energy before it arrives at the surface, thus less energy will actually be trapped by the interactions between the sea - ice and the clouds above.

So, the positive feedback between melt and velocities implies that more melt leads to higher velocities, which bring in more ice from cold regions to warm regions which increases the melt and hence the velocity etc, with as a final result a rapid loss of ice and hence an enhanced increased sea level.

This warming is causing an extraordinary increase in the melting of glaciers and the Greenland Ice Sheet that led scientists earlier this year to project a sea level rise of between 0.9 and 1.6 meters by the end of the century.

«This warming is causing the swift increase in the melting of glaciers and the Greenland Ice Sheet that led scientists to project a sea level rise of between 0.9 and 1.6 meters by the end of the century.

The Royal Society report includes references to Clark et al, 2016 in Nature Climate Change, suggesting the final sea level rise on millennia timescale caused by anthropogenic climate change (partly depending on future emissions) lies in a range between 29 to 55 metres and to DeConto & Pollard, 2016 in Nature, a study suggesting hydro - fracturing and ice cliff collapse around Antarctic ice sheets increases high end projection for sea level rise by 2100 to ± 2 metres.

The end of the first half of the Holocene — between about 5 and 4 ka — was punctuated by rapid events at various latitudes, such as an abrupt increase in NH sea ice cover (Jennings et al., 2001); a decrease in Greenland deuterium excess, reflecting a change in the hydrological cycle (Masson - Delmotte et al., 2005b); abrupt cooling events in European climate (Seppa and Birks, 2001; Lauritzen, 2003); widespread North American drought for centuries (Booth et al., 2005); and changes in South American climate (Marchant and Hooghiemstra, 2004).

As the rate of ice loss has accelerated, its contribution to global sea level rise has increased from a little more than half of the total increase from 1993 - 2008 to 75 - 80 percent of the total increase between 2003 - 2007.

Arctic air temperatures are increasing at twice the rate of the rest of the world — a study by the U. S. Navy says that the Arctic could lose its summer sea ice by next year, eighty - four years ahead of the models — and evidence little more than a year old suggests the West Antarctic Ice Sheet is doomed, which will add between twenty and twenty - five feet to ocean leveice by next year, eighty - four years ahead of the models — and evidence little more than a year old suggests the West Antarctic Ice Sheet is doomed, which will add between twenty and twenty - five feet to ocean leveIce Sheet is doomed, which will add between twenty and twenty - five feet to ocean levels.

The IPCC Fifth Assessment Report (AR - 5) describes a strong relationship between carbon dioxide (CO2) and ice melt, with greater sea level rise based on increased atmospheric CO2.

According to the press release: «This trio of images shows changes between 1979 and 2007 in the average date of melt onset in the spring (left), the first autumn freeze (center), and the total average increase in the length of the Arctic sea ice melt season.

• Observations of Antarctic sea ice extent show a small but significant increase by 1.4 [1.2 to 1.6] % per decade between 1979 and 2011.

The amount of detrital petrological tracers transported by icebergs and deposited in the ice - rafted debris belt (an Atlantic region between 40 - 50 ° N) greatly increases during episodes of southward and eastward advection of cold surface waters and drift ice from the Nordic and Labrador seas (Bond et al., 2001; figure 48 A).

Thus, two - thirds of the 180 m sea - level change between the ice - free planet and the LGM occurred with formation of Northern Hemisphere ice (and probably some increased volume of Antarctic ice).

Curry's evidence to support that assertion boiled down to arguing of a supposed «lack of warming since 1998», discrepancies between models and observations during that time, a lower climate sensitivity range in the 2014 than the 2007 IPCC report, and the fact that Antarctic sea ice extent has increased.

The net loss of billions of tons of ice a year added about 11 millimeters — seven - sixteenths of an inch — to global average sea levels between 1992 and 2011, about 20 % of the increase during that time, those researchers reported.

B) Arctic sea ice maximums do have a near - physical limit: The Arctic Ocean shores limit sea ice once the region ices over, and any increase in maximum must occur in very, very small regions down the east and west shores of Greenland, in the narrow gap between Asia and North American continents, etc..

And in turn the link between both and melting ice on cap and glacier, sea level and acidity, changes in ecology of plants and animals, increases in record and extreme weather events.

So it seems quite clear that there is a potential connection, in a statistical sense, between human - caused global warming, declining Arctic sea ice, and the anomalous blocking pattern this winter that has added to other factors we know are tied to human - caused climate change (warmer temperatures and increased soil evaporation, and decreased winter snowpack and freshwater runoff) to produce the unprecedented drought this year in California.

Interestingly, in the Seasonally Ice - free Zone (SIZ, the band located between the winter and summer sea ice edge), this production is highly stimulated by increased iron availability due to the seasonal sea ice retreIce - free Zone (SIZ, the band located between the winter and summer sea ice edge), this production is highly stimulated by increased iron availability due to the seasonal sea ice retreice edge), this production is highly stimulated by increased iron availability due to the seasonal sea ice retreice retreat.