Sentences with phrase «total ice extent»

Near - real - time updates (which are preliminary) indicate that at this year's minimum, only 106,000 square kilometers (41,000 square miles) of 4 + year old ice remained, or 3.1 percent of the total ice extent.

The study looked at arctic - wide changes in ice age as well as regional changes and noted that the fraction of total ice extent made up of multiyear ice in March decreased from 75 % in the mid 1980s to 45 % in 2011.

The fresh - water theory fits this idea neatly; it provides a physical mechanism whereby deglaciation can be triggered only when total ice extent is sufficiently large.

With these earlier data records, the ice concentrations would not be as reliable as the total ice extent, which is why most folks only show the extent.

«Arctic sea ice extent declined quite slowly in April; as a result, total ice extent is now close to the mean extent for the reference period (1979 to 2000).»

As the September ice extent and ice thickness decrease, they will be more subject to variable and unpredictable wind patterns earlier in the season, making the total ice extent more difficult to predict.

The main preconditioning considered in our outlook is the area of robust multiyear ice in spring (April - May), the thickness of the FY ice as determined by the number of freezing degree days during winter / spring and the spring / summer total ice extent at the time of issue of the outlook.

Although July data indicated that the sea ice might be on track for a slight recovery from 2007 (though still well below «normal» climatological conditions), new sea ice data and weather forecasts show that total ice extent in early August declined at about twice the rate of any other time this summer.

Total ice extent over the Arctic Ocean also remains low and consists of a record - high amount of first - year ice.

Total ice extent loss in August was 2.34 million square kilometers (904,000 square miles).

Interesting you cut - off total ice extents at 2012, especially since the total extent of Arctic sea ice has actually increased since then, and in fact the Antarctic ice extents are at a RECORD MAXIMUM — so things aren't always what they appear to be in a very complex system known as global climate.

Not exact matches

Complementary analyses of the surface mass balance of Greenland (Tedesco et al, 2011) also show that 2010 was a record year for melt area extent... Extrapolating these melt rates forward to 2050, «the cumulative loss could raise sea level by 15 cm by 2050 ″ for a total of 32 cm (adding in 8 cm from glacial ice caps and 9 cm from thermal expansion)- a number very close to the best estimate of Vermeer & Rahmstorf (2009), derived by linking the observed rate of sea level rise to the observed warming.

This week, Arctic sea ice extent - that is, the total ocean area in which the ice concentration is at least 15 percent - was at 1.96 million square miles.

According to the latest Piomas data, a combination of the smallest sea ice extent and the second - thinnest ice cover on record puts total volume of sea ice in November 2016 at a record low for this time of year.

Overall, sea ice extent declined at a slightly slower rate than normal (relative to the 1981 - 2010 average rate) during June (Figure 6), losing a total of 1.6 million km2 as noted in NSIDC's Arctic Sea Ice News and Analysis repoice extent declined at a slightly slower rate than normal (relative to the 1981 - 2010 average rate) during June (Figure 6), losing a total of 1.6 million km2 as noted in NSIDC's Arctic Sea Ice News and Analysis repoIce News and Analysis report.

Zhang, 5.1 (+ / - 0.6), Modeling The seasonal prediction focuses not only on the total Arctic sea ice extent, but also on sea ice thickness field and ice edge location.

I think Dr. Curry made it clear above that all she expects is a partial (all other things equal) negative correlation between artic sea ice extent and NH snowfall totals.

However, since August 26, total sea ice extent is already lower than at the same time in 2007 and is currently tracking as the second lowest daily extent on record.

The paper actually talks about total snowfall, not extent and it does point out that it is autumn sea ice extent that is the important factor, whereas Willis has looked at total annual sea ice area and snow extent as opposed to total fall.

If you measure the latitude of the ice margin at just one point, you can make a very reasonable estimate of the total extent.

This work concerns only sea ice extent without considerations of the age, thickness, and total volume of sea ice.

The region's sea ice extent — defined by NSIDC as the total area covered by at least 15 percent of ice — varies from year to year because of changeable weather conditions.

I have to add that another graph has been making the rounds, showing the total global sea ice extent.

Annual Antarctic sea ice extent (total area of at least 15 % ice concentration) for selected years since 1979.

Total sea ice extent for the previous three months was near or below the level of 2007, the year with the lowest minimum summer ice extent during the satellite record.

Will an excess of 2.0 Mkm ^ 2 in September be «trivial» compared to a total of 20.0 Mkm ^ 2 sea ice extents?

NSIDC reported that the 2010 seasonal sea ice maximum was quite late (31 March compared to the climatological date of 26 February) and the total maximum ice extent approached the climatological mean.

Perhaps with all that is known now, someone will propose a well - defined multivariate test entailing all relevant global data (including Antarctic ice extent and total Antarctic ice mass, mean and extremal rainfall everywhere, mean and extremal cyclonic storms everywhere.)

Extent here is defined as the total area of ice with concentration (over an area of at least 100 square kilometers) greater than 15 %.

The total extent of the Arctic sea ice reached 5.59 million square miles, which is about 450,000 square miles less than the average and 20,000 square miles more than 2017.

All such areas are then totalled together, and that is the ice extent.

Zhang and Lindsay, 5.1 (± 0.4), Modeling Our seasonal prediction focuses not only on the total Arctic sea ice extent and ice concentration field, but also on ice thickness field and ice edge location.

In combination with the low Arctic sea ice extent for November, this produced a remarkably low global sea ice total.

While total extent and the general distribution of the ice cover is similar to last year, the atmospheric patterns are quite different.

With 19 total responses, 14 provided a value for the arctic sea ice minimum extent for September 2008; 6 provided regional outlooks.

All individual Outlook estimates (20 groups total contributed) in the June and July reports were higher than the observed September arctic sea ice extent.

See lower figure 5.7 total heat flux is essentially zero higher than 80 north and very little down to 70 north outside winter sea ice extent.

Earlier studies have predominately focused on the loss of sea ice concentration (fraction of ice within an area) and therefore the total sea ice extent (Fig. 1).

Even if the total albedo remained the same (highly unlikely) they are allowing heat to be absorbed north of the southern ice extent.

Extent is defined as the total area in which the ice concentration is at least 15 percent.

The researchers used satellite photos to analyze the extent of the ice in about a quarter of the total range — about 2,167 square miles (5,615 square kilometers).

Kaleschke, 4.6 (± 0.9), Statistical I provide a simple statistical estimate for the September sea ice extent based on the total sea ice extent measured on July 11: 4.6 ± 0.9.

And though 500,000 square kilometers is not an insignificant figure, it bears repeating that the total Arctic sea ice extent for the month of February was 14.8 million square kilometers.

Zhang and Lindsay, 4.60 (4.00 - 5.20), Modeling Our seasonal prediction focuses not only on the total Arctic sea ice extent, but also on sea ice thickness field and ice edge location.

Arctic sea ice melted to a lesser extent than in 2012, although the total sea ice extent was still lower than in any year before 2007.

The PIOMAS sea ice volume estimates, based on a model constrained by satellite extent observations, indicate a total volume through May in line with recent years, though not at a record low (Figure 7).

The time series of total Arctic ice extent shows a statistically significant positive trend and correlates negatively with recent high - latitude temperature fluctuations.

Across the Arctic, there has been only a marginal decline in total sea ice extent (Fig. 6) between March and June, the critical spring feeding period when polar bears require the ice as a hunting platform for gorging on young, fat seals.