Sentences with phrase «highest extent of sea ice»

A: The National Snow and Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 1970s.

Not exact matches

The record follows a trend over the past three years of anomalously high winter ice extents, providing a stark contrast to the inexorable decline of Arctic sea ice

This year's record low happened just two years after several monthly record high sea ice extents in Antarctica and decades of moderate sea ice growth.

Note, the low Arctic sea - ice extent over the last summers are independent evidence of high Arctic temperatures.

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.

We emphasize that because of the significant influence of sea ice on the climate system, it seems that high priority should be given to developing ways for reconstructing high - resolution (in space and time) sea - ice extent for past climate - change events.

Antarctic sea ice extent increased rapidly through June and early July, and reached new daily record highs through most of this year.

Arctic sea ice extent continued a rapid retreat through the first two weeks of July as a high pressure cell moved over the central Arctic Ocean, bringing higher temperatures.

Note, the low Arctic sea - ice extent over the last summers are independent evidence of high Arctic temperatures.

The high anomalies up in the Arctic continue for a third month in GISTEMP and the question of the maximum Arctic Sea Ice Extent is surely now only by how much this freeze season will be below the record low set in 2017.

We emphasize that because of the significant influence of sea ice on the climate system, it seems that high priority should be given to developing ways for reconstructing high - resolution (in space and time) sea - ice extent for past climate - change events.

A smaller ice sheet extent might still respond with the observed high rate of sea level rise (5 m per century) if the warming is much more rapid than when ice sheets were more extensive.

You complain that there was no mention of Arctic Sea Ice Extent in the Guardian article reporting exceptional warm temperatures up in the high Arctic yet I contrasted that report of exceptional warmth with JAXA Arctic SIE values of recent days.

Just to return to one of the suggested topics, Arctic sea ice extent appears to have passed its minimum for this year with a value higher than has recently been the case.

In my briefings to the Association of Small Island States in Bali, the 41 Island Nations of the Caribbean, Pacific, and Indian Ocean (and later circulated to all member states), I pointed out that IPCC had seriously and systematically UNDERESTIMATED the extent of climate change, showing that the sensitivity of temperature and sea level to CO2 clearly shown by the past climate record in coral reefs, ice cores, and deep sea sediments is orders of magnitude higher than IPCC's models.

Yesterday the Arctic sea ice extent reached 6433281 sq km and achieved the highest seven day recovery rate of the last eleven years.

Based solely on how high the A.O. has been this winter, I would expect higher sea - ice extents, or less retreat across most of the Arctic seas.

The graph below (high - resolution copy) shows the range of the forecasts for early September, the point when the sea ice typically reaches its minimum extent, compared to recent years and the average over the period of precise satellite measurement.

This is 0.7 percent higher than the previous record high extent of 7.51 million square miles that occurred in 2012 and 8.6 percent higher than the record low maximum sea ice extent of 6.96 million square miles that occurred in 1986.

-- Antarctic sea ice extent reached record high for second year in a row; South Pole station set record high temperature: The Antarctic maximum sea ice extent reached a record high of 7.56 million square miles on October 1.

``... Figure 2 indicates that on a daily basis, sea ice extent appears slightly higher than 2007 for most of the month.

One popular denier claim is that Arctic sea ice extent is higher in recent years than it was in 1989, therefore claims of it melting away are false.

And meanwhile down south exactly the same thing happened as in the far north, although [due to the reversed situation of a central continent and surrounding seas — instead of a central ocean, surrounded by land masses] with exactly the opposite effect: the Antarctic sea ice reached its highest ever extent during the Southern Hemisphere winter.

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.

Whether it's a killer winter in South America, increased snow cover globally, record Arctic sea ice recovery, recovering glaciers in the Alps, record high sea ice extent in Antarctica, extreme cold in southeast Europe, or 5 consecutive colder than normal European winters, just to name a few, the ominous signs of global cooling are compounding rapidly.

The NOAA report dedicates a specific section of the report to discussing Antarctic sea ice extent, which has seen records of high extent broken for three years in a row.

While Greenland was setting records linked to melting, another was being set around the chilly mass of Antarctica, which saw a new highest daily sea ice extent.

Stroeve says a couple of powerful cyclones that churned around the high Arctic last month moved sea ice around and complicated efforts to measure its extent.

In 2012, Arctic sea ice hit its lowest point since satellite monitoring began in 1979, with recent ebb and flow in ice extent now known to be the result of giant storms, ocean currents and high pressure days.

The remaining estimates fall into «high» and «low» extent groupings: the low extent group with a range of 4.2 to 4.7 million square kilometers, representing a continued loss of sea ice extent compared to 2008/2009, and the high extent group of 5.4 to 5.7 million square kilometers, suggesting a return to the long - term trend for summer sea ice loss.

It could even go as low as 50 % FIRST the synchronized lunar and planet cycles will both be descending down to the driest part of their cycles in 2019/20 (this only occurs once every 297 years in Australia) SECOND Antarctic sea ice extent has been trending up to now be at record high levels for the last 34 years.

Thus, when sea ice is retreating or advancing at a high rate over the course of the month, as was the case for December 2016, the Sea Ice Index monthly average can yield a larger extent than from simply averaging daily extent valusea ice is retreating or advancing at a high rate over the course of the month, as was the case for December 2016, the Sea Ice Index monthly average can yield a larger extent than from simply averaging daily extent valuice is retreating or advancing at a high rate over the course of the month, as was the case for December 2016, the Sea Ice Index monthly average can yield a larger extent than from simply averaging daily extent valuSea Ice Index monthly average can yield a larger extent than from simply averaging daily extent valuIce Index monthly average can yield a larger extent than from simply averaging daily extent values.

While the ensemble forecast indicates an absence of significant atmospheric circulation anomalies over the western Arctic, high pressure features over the Barents sea appear to be conducive to greater ice extent reductions along the Eurasian side.

Given the preconditioned ice cover, and short - term forecast for increased high pressure in the Arctic, it is still likely that the 2013 fall sea ice extent will achieve values comparable to those of 2007.

Now if you are wondering about Arctic Sea Ice and doubt anecdotal evidence, you could look at Greenland Snow Accumulation as a proxy of sea ice extent and find that around 1940 there was higher than normal accumulation, but not quite as high as 2012 or circa 17Sea Ice and doubt anecdotal evidence, you could look at Greenland Snow Accumulation as a proxy of sea ice extent and find that around 1940 there was higher than normal accumulation, but not quite as high as 2012 or circa 17Ice and doubt anecdotal evidence, you could look at Greenland Snow Accumulation as a proxy of sea ice extent and find that around 1940 there was higher than normal accumulation, but not quite as high as 2012 or circa 17sea ice extent and find that around 1940 there was higher than normal accumulation, but not quite as high as 2012 or circa 17ice extent and find that around 1940 there was higher than normal accumulation, but not quite as high as 2012 or circa 1750.

If the increasing number of sunspots would bring the Arctic index into «a positive phase» as well, then temperature isolation of the High North would in the winters months improve compared to recent years [which brought temperature records over Greenland and the Arctic Ocean — and a smallest ice extent last winter], perhaps allowing for some extra sea ice recovery.

But looking at the May 2016 melt pond fraction in our sea ice simulation, the pond fraction is higher in the Kara Sea, north of Svalbard and in the Fram Strait compared to May 2015 and with a lesser extent to May 2012, but lower in the East Siberian Sea and the Arctic Bassea ice simulation, the pond fraction is higher in the Kara Sea, north of Svalbard and in the Fram Strait compared to May 2015 and with a lesser extent to May 2012, but lower in the East Siberian Sea and the Arctic BasSea, north of Svalbard and in the Fram Strait compared to May 2015 and with a lesser extent to May 2012, but lower in the East Siberian Sea and the Arctic BasSea and the Arctic Basin.

To a large extent the probability forecasts in Figure 11 resemble the surface air temperature anomaly of the last two months in Figure 7 in the high latitudes, illustrating the persistence of weak climate anomalies over the sea ice and ocean covered regions throughout the summer months.

And, as you know, the year 1979 was one of the top 3 coldest and highest sea ice extent years in the Arctic.

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.

At the other end of the globe, the extent of Antarctic sea ice reached record - high levels in September.

For example, chapter ten, «Ice melts, sea level rises,» discusses the disappearance of tropical mountain glaciers, estimates of sea level rise in the present century, estimates of its costs — the EPA estimated in 1991 that a one - meter rise would cost the US alone between $ 270 billion and $ 475 billion — evidence of past oceanic high - water marks and glacial extents, the dynamics of ice sheet disintegration, the thermal expansion of seawater, icequakes and meltponds, ice mass loss and gain in Greenland and Antarctica, the ozone hole, and the existence and significance of «marine ice sheets.&raqIce melts, sea level rises,» discusses the disappearance of tropical mountain glaciers, estimates of sea level rise in the present century, estimates of its costs — the EPA estimated in 1991 that a one - meter rise would cost the US alone between $ 270 billion and $ 475 billion — evidence of past oceanic high - water marks and glacial extents, the dynamics of ice sheet disintegration, the thermal expansion of seawater, icequakes and meltponds, ice mass loss and gain in Greenland and Antarctica, the ozone hole, and the existence and significance of «marine ice sheets.&raqice sheet disintegration, the thermal expansion of seawater, icequakes and meltponds, ice mass loss and gain in Greenland and Antarctica, the ozone hole, and the existence and significance of «marine ice sheets.&raqice mass loss and gain in Greenland and Antarctica, the ozone hole, and the existence and significance of «marine ice sheets.&raqice sheets.»

This is largely because melting sea ice changes the albedo of high latitude oceans, and to a lesser extent because an inversion prevails at high latitudes, especially in winter, whereas at low latitudes the heating is convectively mixed througout the troposphere.

Arctic summer sea ice is in rapid decline [2nd lowest extent on record after 2007, and perhaps more importantly, the lowest volume of ice ever — this, along with the methane increase, could indicate a tipping element has been crossed that will kick climate change into a higher gear]

CO2 minima were reached approximately when the sea level was at a minimum, hence, the extent of the continental ice sheets were at a maximum, and the highest CO2 levels were found during interglacials during the high stands of the sea level.

The extent of the sea ice reached a record high for the second year in a row, of 7.56 million square miles on October 1 − 0.7 % higher than the previous record high of 7.51 million sq miles in 2012 and 8.6 % higher than the record low maximum of 6.96 million sq miles in 1986.

Further, global temperatures have remained high, but steady, for 16 years now, yet Arctic sea ice extents — almost none of which is older than 4 years old, continues to be lower each year.

There is very high confidence that CMIP5 models realistically simulate the annual cycle of Arctic sea - ice extent, and there is high confidence that they realistically simulate the trend in Arctic sea - ice extent over the past decades.

> «But just don't go and say «There is very high confidence that climate models realistically simulate the annual cycle of Arctic sea ice extent».

I think that the statement you highlight — «There is very high confidence that climate models realistically simulate the annual cycle of Arctic sea ice extent, and there is high confidence that they realistically simulate the trend in Arctic sea ice extent over the past decades» — is correct as stated.