Sentences with phrase «ice extent near»

Is the Arctic sea ice extent near maximum?

The result is a global sea ice extent near low - record levels.

The 2012 melt season started off hopefully, with April sea ice extent near the 1979 - 2000 average.

At minimum sea ice extents near the equinox, the sun is below the horizon for 12 hours each day, and rises only a little bit (less than 10 degrees) above the horizon for a few minutes each day at solar local noon.

Not exact matches

Arctic sea ice coverage is still below average and the previously stable Antarctic sea ice extent was at or near a record low, the statement adds.

Least unexpected observations: (Joint winners) 2008 near - record minima in Arctic sea ice extent, last decade of record warmth, long term increases in ocean heat content, record increases in CO2 emissions.

Visitors and residents of the region used the wide ice extent to visit ice caves near the Apostle Islands.

The data presented here indicate that the area of undersaturation presently extends to approximately 20 % of the Canadian Basin in the late summer months, when sea ice is near its minimum extent.

Least unexpected observations: (Joint winners) 2006 near - record minima in Arctic sea ice extent, near - record maxima in Northern Hemisphere temperatures, resumed increase in ocean heat content, record increases in CO2 emissions

... June sea ice extents in 2008 and 2007 are essentially identical, and near the lowest values for June ever recorded by satellite for the Arctic....»

The Barnett Ice Severity (BIS) index provides a measure of the extent of open water and the duration of the shipping season as defined by the presence of ice near Barrow, Alaska and onward to Prudhoe BIce Severity (BIS) index provides a measure of the extent of open water and the duration of the shipping season as defined by the presence of ice near Barrow, Alaska and onward to Prudhoe Bice near Barrow, Alaska and onward to Prudhoe Bay.

The forecast suggests reductions in ice extent along the Eurasian coast, but cooler near - surface air temperatures over the Canadian Archipelago.

Canadian Ice Service, 3.8, Heuristic Arctic Ocean September sea ice extents (while expected to be well below the 1979 ‐ 2013 average of 6.4 million square kilometres, and while expected to continue to be near or below 4.0 million square kilometres) are therefore expected to experience a slight recovery, preventing a repeat of last year's recoIce Service, 3.8, Heuristic Arctic Ocean September sea ice extents (while expected to be well below the 1979 ‐ 2013 average of 6.4 million square kilometres, and while expected to continue to be near or below 4.0 million square kilometres) are therefore expected to experience a slight recovery, preventing a repeat of last year's recoice extents (while expected to be well below the 1979 ‐ 2013 average of 6.4 million square kilometres, and while expected to continue to be near or below 4.0 million square kilometres) are therefore expected to experience a slight recovery, preventing a repeat of last year's record.

In the Antarctic, ice extent remained near average.

Global mean temperatures in 2011 did not reach the record - setting levels of 2010, but were still the highest observed in a La Niña year, and Arctic sea - ice extent fell to near - record - low levels.

Clearly the extent of Arctic sea ice during 1938 - 43 was nowhere near as low as current levels, based on these data.

Much has been made of the fact that the April 2010 sea ice extent data released by the National Snow and Ice Data Center (NSIDC) were near the long - term climatological average (Figure ice extent data released by the National Snow and Ice Data Center (NSIDC) were near the long - term climatological average (Figure Ice Data Center (NSIDC) were near the long - term climatological average (Figure 4).

Ice extent remains below normal everywhere in the Arctic (Figure 4), with open water developing along the coasts of northwest Canada, Alaska, and Siberia and within the ice pack in the Beaufort Sea and near the North Pole (Figure Ice extent remains below normal everywhere in the Arctic (Figure 4), with open water developing along the coasts of northwest Canada, Alaska, and Siberia and within the ice pack in the Beaufort Sea and near the North Pole (Figure ice pack in the Beaufort Sea and near the North Pole (Figure 5).

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.

However, a number of models that have fairly thick Arctic sea ice produce a slower near - term decrease in sea ice extent compared to observations (Stroeve et al., 2007).

Though most of the CMIP5 models project a nearly ice - free Arctic (sea ice extent less than 1 × 106 km2 for at least 5 consecutive years) at the end of summer by 2100 in the RCP8.5 scenario (see Section 12.4.6.1), some show large changes in the near term as well.

The Barnett Ice Severity (BIS) Index provides a measure of the extent of open water and the duration of the shipping season as defined by the presence of ice near Barrow, Alaska and onward to Prudhoe BIce Severity (BIS) Index provides a measure of the extent of open water and the duration of the shipping season as defined by the presence of ice near Barrow, Alaska and onward to Prudhoe Bice near Barrow, Alaska and onward to Prudhoe Bay.

Antarctic sea ice has been at or near record extent during the past few summers and is now expanding.

Arbetter et al. (North American Ice Service / National Ice Center); 4.9 Million Square Kilometers; Statistical / Heuristic Despite the reasonably large current extent (14.665 million km2) and compact concentration (12.461 million km2) in late April, the projected extent for mid-September is another near - record low (4.852 million km2).

The first half of 2017 has seen record low sea ice extents at both poles and near - record global average temperatures — despite the absence of a...

After mid-October, ice growth returned to near - average rates, but extent remained at record low levels through late October.

Is 2009 simply part of such an extended pause, as it will take another near - perfect synchrony of summer weather conditions to provide another major drop in sea ice extent (Overland)?

However, the increase in sea ice extent for 2009 does not exceed past interannual variability in a near - continuous, 30 - year downward trend in summer sea ice extent.

However, the pace of decline returned to near - average rates by July, and the end - of - summer minimum sea ice extent, recorded on September 10, eventually tied for second lowest with 2007 (2012 remains the lowest in the satellite time series by more than 600,000 square kilometers or 232,000 square miles).

In the Southern Hemisphere, overall sea ice extent shifted from near - average over the first half of the year to sharply below average in mid-August.

As near as I can tell, the evidence that you trust as solid relates to «extent of ice and glaciers then, as well as historical accounts of conditions in Europe.»

Is it possible that there is a lower practical bound to ice extent, based on the very short melt season and low angle of the sun near the North Pole?

Behavior of the sea ice over the past winter and the spring and the large positive temperature anomalies in the Arctic (as high as 20 degrees C over large regions in the past winter) suggest that an extent near that of the 2012 minimum may occur again if there is large export of sea ice out to the Atlantic Ocean via the Fram Strait.

this seems to be the third time that we have warmer months near a conference although it might have been on different data sets.the sea ice extent was headed back to median a couple of years ago and then was conveniently hijacked.

About 3 million years ago, during the mid-Pliocene warm period, global temperatures were 2 ° — 3 ° warmer than present, and polar ice extents were about one third smaller, making this period interesting as a comparison to the near future.

In late August, sea ice extent was way below average for that time of year, and it was predicted we were headed for at least a near - record low this year.

Many methods have been used to predict the timing of near ice - free September conditions, here defined as an Arctic with less than 1 million km2 of ice extent for the

The Statement also highlighted that long - term indicators of climate change such as increasing carbon dioxide concentrations, sea level rise and ocean acidification continue «unabated», with Arctic sea ice coverage remaining below average and the previously stable Antarctic sea ice extent at or near a record low.

In the Greenland Sea and Fram Strait area, the June 2012 ice extent is larger in the south, less in the north near Svalbard, but otherwise comparable to the decadal means (Figure 4).

This is not because there was not thicker winter sea ice near Iceland (there was), but because that was more than compensated by sea ice losses in less accessible areas so that overall sea ice extent declined in that period (albeit, slowly):

Regardless of specific emissivities, temperature alone lets us state that ice - covered Arctic waters near the equinox at times of minimum Arctic sea ice extent will radiate more energy losses than ocean - covered sea waters at the same latitude and time of year!

Minimum sea ice extents occur each FALL very near the equinox in mid-September.

«Dr. Amstrup, however, said that according to the National Snow and Ice Data Center, the average September sea ice extent for the years 2007 to 2017 was 4.5 million square kilometers, «nowhere near the low levels projected it would be by the middle of the century.&raqIce Data Center, the average September sea ice extent for the years 2007 to 2017 was 4.5 million square kilometers, «nowhere near the low levels projected it would be by the middle of the century.&raqice extent for the years 2007 to 2017 was 4.5 million square kilometers, «nowhere near the low levels projected it would be by the middle of the century.»

Right now it seems that: It's more likely that Summer Arctic Sea Ice extent will disappear before 2025 It's more likely that 2 C will occur nearer to 2033 than 2040 It's more likely that 4 C will occur closer to 2050 than 2100 It's more likely that more people will die from heat stress, disease, or severe clean water and food shortages than extreme weather events.

The trend towards stronger circumpolar winds has also caused a sea ice extent decline near the Antarctic Peninsula.

One reason that ice extent images may have errors is that the satellite derived images in our Daily Image Update are near - real time and have not yet undergone rigorous quality control to correct for conflicting information that is especially likely along coastlines.

That study showed sea ice extent crashing by two thirds by the 2030s and then collapsing to near - zero shortly thereafter — unless we cut global GHG emissions about 60 % to 70 % almost immediately and have further cuts after that, an implausible assumption the authors never spelled out clearly (as I explain here).

Current sea ice extent and meteorological conditions suggest a record low is unlikely, as surface temperature over the central Arctic has been near normal in the last two months and forecasts of atmospheric temperatures for the next few weeks indicate average surface temperatures.

The ice extent started the year with near - record lows, but surprised everybody in March with an unexpected growth surge that brought it back almost to the historical mean — statistical territory unseen for a long, long time.

Last year's minimum areal extent was a bit higher than the record set in 2007, but I have read that this was probably offset to some degree by the thinning of the ice, so that the volume was a minimum, or near minimum, record.