Sentences with phrase «ice extent as»

Again it is important to remember that the Outlook values are for the mean arctic September sea ice extent as provided by the National Snow and Ice Data Center (NSIDC).

Daily sea ice extent as of the beginning of July 2011.

In addition, we define ice extent as any 25 by 25 kilometer grid cell with with an average of?

Stroeve said that sea ice volume, which incorporates measurements of ice extent as well as thickness, is a more important metric than sea ice extent alone.

She will speak with advancing ice extent as this warm periods ends as the Roman and Medieval Warm Periods ended when sea level dropped and ice extent increased.

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

The graph above shows Arctic sea ice extent as of August 1, 2016, along with daily ice extent data for four previous years.

Arctic sea - ice extent as depicted by Al Gore in An Inconvenient Truth.

Prof. Curry, perhaps you would be kind enough to reconcile the claim in your written testimony that increasing Antarctic sea ice extent as reported in the AR5 WGI report weakens the case for attributing most of the warming to human influences can be reconciled with your 2010 PNAS paper, Accelerated warming of the Southern Ocean and its impacts on the hydrological cycle and sea ice the abstract of which reads:

Prof. Curry, perhaps you would be kind enough to reconcile the claim in your written testimony that increasing Antarctic sea ice extent as reported in the AR5 WGI report weakens the case for attributing most of the warming to human influences....

The modeled evolution of Arctic sea ice volume appears to be much stronger correlated with changes in ice thickness than with ice extent as it shows a similar negative trend beginning around the mid-1990s.

A comparison of Arctic sea ice extent as of Sept. 12 and daily ice - extent data for four other lowest - extent years on record: 2015, 2012, 2011 and 2007.

Daily sea ice extent as of 9 July 2013.

What methods are used to determine the Arctic ice extent as far back as the Bronze Age?

It should be recalled that we are comparing these Outlook values to the September average sea ice extent as provided by the National Snow and Ice Data Center (NSIDC).

The following maps show the probability of encountering September sea ice at concentrations greater than 15 % (corresponding to ice extent as commonly defined) in a particular grid cell.

Again, we are comparing these Outlook values to the September average sea ice extent as provided by NSIDC.

So that's what we can expect: big losses in sea ice area, and perhaps in sea ice extent as well (with a lag).

The graph above shows Arctic sea ice extent as of November 1, 2016, along with daily ice extent data for four previous years.

Climate models suggest periods of stability (with variations around a stationary summer mean extent) with intermittent years of rapid reductions in ice extent as the Arctic warms (see Serreze, Mark C. 2011.

This graph shows Arctic sea ice extent as of May 31, along with daily ice extent data for previous years.

Daily sea ice extent as of 10 June 2013.

The graph above shows Arctic sea ice extent as of September 5, 2016, along with daily ice extent data for four previous years.

In an analysis, the National Snow and Ice Data Center said the sea ice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the center.

With the exception of the Bering Sea, none of the areas have seen sea ice extents as low as in the past decade.

It is clear from all the contributions submitted this summer that, as in recent years, neither a return to September ice extents as seen in the 1980s and 1990s nor a return to the linear trend line are expected this year.

Not exact matches

Whilst remaining (2006) the market leader in the UK for individual hand - held products such as Cornetto and Magnum, and value - added multi-portion products designed to be eaten at home, such as Viennetta, the Wall's brand faces severe competition from the major supermarket brands and to a lesser extent from Nestle and Mars spin - off ice cream products.

«The autumn volume of the sea ice (as opposed to the extent) is still close to its minimum record,» Robert Meisner, spokesman for European Space Agency, said yesterday.

The mass media (to the limited extent they covered the issue) were confused, sometimes predicting a balmy globe with coastal areas flooded as the ice caps melted, sometimes warning of the prospect of a catastrophic new ice age.

Since then, its ten instruments have supplied data on environmental factors such as air quality, the extent of Arctic sea ice and oil spills.

«We found that in years when the sea ice extent departed strongly from the trend, such as in 2012 and 2013, predictions failed regardless of the method used to forecast the September sea ice extent,» said Julienne Stroeve, a senior scientist at NSIDC and professor at University of College London.

Scientists consider Arctic sea ice as a sensitive climate indicator and track this minimum extent every year to see if any trends emerge.

As the Arctic sea - ice reaches its summer minimum extent, it is clear that it has yet again shrunk to one of the smallest areas in recent decades, 10 % above the record minimum set last year.

«This year is the fourth lowest, and yet we haven't seen any major weather event or persistent weather pattern in the Arctic this summer that helped push the extent lower as often happens,» said Walt Meier, a sea ice scientist with NASA's Goddard Space Flight Center in Greenbelt, Maryland.

NSIDC scientists said there was a lot of thin ice at the beginning of the melt season, because thinner ice does not take as much energy to melt away, this may have also contributed to this year's low minimum extent.

Satellites show the extent of Arctic sea ice on Sept. 16, 2012 as compared to the average minimum from the past 30 years (yellow line).

The study marks the first time that human influence on the climate has been demonstrated in the water cycle, and outside the bounds of typical physical responses such as warming deep ocean and sea surface temperatures or diminishing sea ice and snow cover extent.

The extent of Arctic sea ice, which melts to its low each September, has steadily declined over the past three decades, as the chart below illustrates.

September is the month that usually sees the highest extent of Antarctic sea ice as the Southern Hemisphere winter ends, and Arctic ice reaches its all - time low as it says goodbye to the dog days of summer.

Today the only place we have massive ice sheets is in the East Antarctic and to a lesser extent the West Antarctic, but now the world is twice as hot.

The continued reduction in the extent of sea ice in the Arctic is expected to lead to increased photosynthetic primary production and POC flux there (Jones et al., 2014), which could benefit fauna whose energetic demands increase as a result of ocean acidification (e.g., calcifying taxa).

Devastating floods occurred with the Mississippi River in 2011, and this marked the start of a record - breaking year of droughts and heat waves in the United States that stretched into the fall of 2012, as well as the lowest level of ice extent in the Arctic.

As of January 17, for instance, the global extent (area) of sea ice is at its smallest point in potentially thousands of years.

This report describes simulations of future sea - ice extent using the NCAR CCSM3, which point to the possible complete loss of sea - ice at the end of the melt season as soon as 2040.

Terrestrial glacial geologists (such as ourselves) can gain information of past glacial behaviour from mapping and dating former ice sheet extents, and determining the rates at which they receded and thinned, [e.g., 16, 17 - 19].

Sea ice extent has dropped precipitously as has the amount of old ice, which is less prone to breakup.

Since IPCC (2001) the cryosphere has undergone significant changes, such as the substantial retreat of arctic sea ice, especially in summer; the continued shrinking of mountain glaciers; the decrease in the extent of snow cover and seasonally frozen ground, particularly in spring; the earlier breakup of river and lake ice; and widespread thinning of antarctic ice shelves along the Amundsen Sea coast, indicating increased basal melting due to increased ocean heat fluxes in the cavities below the ice shelves.

Naturally many factors influence polar sea ice extent, such as weather patterns, winds,

It is important to regard the LGM studies as just one set of points in the cloud yielded by other climate sensitivity estimates, but the LGM has been a frequent target because it was a period for which there is a lot of data from varied sources, climate was significantly different from today, and we have considerable information about the important drivers — like CO2, CH4, ice sheet extent, vegetation changes etc..

Earlier this week, scientists confirmed the area of Arctic Ocean covered by sea ice — known as sea ice extent — reached a record low in November.