Sentences with phrase «sea ice record back»

... We've used a range of new data sources to fill gaps and extend the Arctic sea ice record back to 1850.

Not exact matches

The commercial whaling boats recorded sea ice and weather data in more than 400 logbooks from voyages dating as far back as the 1840s, with most taking place from the mid-1800s to the early 1900s.

The area of the Arctic Ocean covered by sea ice in September, when the annual minimum occurs, was the sixth lowest extent in the satellite record, going back to 1979.

Fetterer — who recently wrote a guest article for Carbon Brief on piecing together a record of Arctic sea ice back to 1850 — also says the study highlights how important it is to find and preserve old observations:

More climate stories ripped out of the back pages of the news: NASA says the record low Arctic sea ice levels in the last few years are the new normal.

At close to 8,000 cubic kilometres (cubic km), total sea ice volume in November stood at just 48 % of the long - term average and the smallest of any November in the satellite record stretching back to 1979.

Sea ice extent has tracked below 2007 for 100 days, but yesterday it came back above the 2007 daily record.

So I had to back up the story of my trip to Alaska with satellite data on sea ice, and I had to justify my pictures of disappearing glaciers in the Andes with long - term records of mass balance of mountain glaciers.

Back then, what she and a colleague found was not only groundbreaking, it pretty accurately predicted what is happening now in the Arctic, as sea ice levels break record low after record low.

-- Arctic sea ice didn't set a record for the annual minimum, but in October and November when sea ice normally starts growing back, it didn't.

And scientists can sample ice cores, permafrost records, and tree rings to make some assumptions about the sea ice extent going back 1,500 years.

Going back even farther, I. V. Polyakov and others examined Russian historical records of Arctic sea ice extent and thickness starting from the year 1900.

Antarctic ice is at a record high, Arctic sea ice is back to normal, and at current rates Greenland would not melt for 13,000 years.

Back then, Palin was the governor of a state where «coastal erosion, thawing permafrost, retreating sea ice, record forest fires, and other changes are affecting, and will continue to affect, the lifestyles and livelihoods of Alaskans,» as she wrote (in a 2007 administrative order creating the state's Climate Change Sub-Cabinet).

With records dating back to the 1970s, remote sensing observations have established a baseline for tracking the rapid loss of sea ice in the Arctic.

OTOH Willard Tony protects his tiny flock by censoring Eli and many others, Now there is all sorts of fanciful at both dens of denial, unicorns and such, but it occurred to Eli that there must at least be proxy records way back into the past for Arctic Sea Ice extent, and, indeed there is, from Reconstructed changes in Arctic sea ice over thepast 1,450 years by Christophe Kinnard, Christian M. Zdanowicz, David A. Fisher, Elisabeth Isaksson, Anne de Vernal and Lonnie G. Thompson, Nature 479 (2011) 5Sea Ice extent, and, indeed there is, from Reconstructed changes in Arctic sea ice over thepast 1,450 years by Christophe Kinnard, Christian M. Zdanowicz, David A. Fisher, Elisabeth Isaksson, Anne de Vernal and Lonnie G. Thompson, Nature 479 (2011) 5Ice extent, and, indeed there is, from Reconstructed changes in Arctic sea ice over thepast 1,450 years by Christophe Kinnard, Christian M. Zdanowicz, David A. Fisher, Elisabeth Isaksson, Anne de Vernal and Lonnie G. Thompson, Nature 479 (2011) 5sea ice over thepast 1,450 years by Christophe Kinnard, Christian M. Zdanowicz, David A. Fisher, Elisabeth Isaksson, Anne de Vernal and Lonnie G. Thompson, Nature 479 (2011) 5ice over thepast 1,450 years by Christophe Kinnard, Christian M. Zdanowicz, David A. Fisher, Elisabeth Isaksson, Anne de Vernal and Lonnie G. Thompson, Nature 479 (2011) 510.

When someone brings up sea ice extent as proof that Arctic sea ice is back to normal, I politely remind them that sea ice exists in 3 dimensions, not two — and that sea ice volume has been at record low levels in the last few years: http://www.skepticalscience.com/Has-Arctic-sea-ice-returned-to-normal.html

I don't see this in the sea ice records that date that far back (i.e. Chapman and Walsh), but that's in large part because the ice cover has observational gaps and has been filled in with climatology.

The passive microwave sea ice record dates back to 1979, one of the longest environmental data sets we know of.

Records of historic fluctuations of Arctic sea ice go back only to the first satellite images in 1979.

«That particular cyclone, which lasted several days and raised temperatures in the region close to the melting point, hindered sea ice growth while its associated strong winds pushed the sea ice edge back, leading to a record low spring sea ice pack in 2016,» Petty and Boisvert explained.

Typically, sea ice models are based on the historical records dating back to 1979, the beginning of the satellite era.