Sentences with phrase «september sea ice minimum»

Although there is general consensus in the September Outlook for either persistent conditions or a slight increase over the 2008 sea ice extent, Outlook contributions which provide probabilistic assessments indicate about a 20 % chance of reaching a new September sea ice minimum in 2009.

A key question to be addressed was: How important were initial conditions of the sea ice at the end of spring versus anomalous summer meteorological forcing in driving the second sequential major September sea ice minimum?

The spread of Outlook contributions suggests about a 29 % chance of reaching a new September sea ice minimum in 2010 and only an 18 % chance of an extent greater than the 2009 minimum (or a return to the long - term trend for summer sea ice loss).

I see a whole string of summers with very negative NAO conditions from 2015 - 2024, so I think we will see some very low September sea ice minima again.

They collectively conclude that recent September sea ice minima are more related to longer term shifts in thermal forcing and ice melt and thus persistence, and in most years, month - to - month meteorological variability over the summer months tends to cancel out extremes in atmospheric forcing.

Not exact matches

AWI researchers observed a considerable decrease in the thickness of the sea ice as early as the late summer of 2015, even though the overall ice covered area of the September minimum ultimately exceeded the record low of 2012 by approximately one million square kilometres.

Together, the meager maximum extent and thin ice could spell trouble for this year's minimum sea ice extent, expected during September.

Each year, the Arctic sea ice reaches its minimum extent in September.

The ring of sea ice around the Antarctic continent behaves in a similar manner, with the calendar flipped: it usually reaches its maximum in September and its minimum in February.

The 2007 minimum occurred on September 18 of that year, when Arctic sea ice extent stood at 4.15 million square kilometers (1.60 million square miles).

The record - low winter maximum doesn't necessarily herald a record low end - of - summer minimum come September, as summer weather patterns have a large effect on sea ice area.

«Thanks to the relatively cold summer, the sea ice managed to bounce back somewhat, but this year's September minimum is by no means a good sign,» stresses Lars Kaleschke from Universität Hamburg's Center for Earth System Research and Sustainability.

Extent of Arctic sea ice in September 2016 versus the 1981 - 2010 average minimum extent (gold line).

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.

Since at least 1979, Arctic sea ice has generally been on a downward slope, trending 4.5 percent lower per decade overall and 13.7 percent lower per decade during the September summer minimum.

Sea ice changes this year were again very dramatic, with the Arctic September minimum destroying the previous records in all the data products.

Geoff Beacon # 19: To answer your question, if you mean you expect the NSIDC to announce a September arctic sea ice minimum below, say 1M sq km, by 2015, I would bet against, but not a huge amount, because of uncertainty.

On September 10, Arctic sea ice reached its annual minimum extent at 1.60 million square miles, statistically tying 2007 as the second smallest extent in the 1979 — 2016 satellite record, according to the National Snow and Ice Data Centice reached its annual minimum extent at 1.60 million square miles, statistically tying 2007 as the second smallest extent in the 1979 — 2016 satellite record, according to the National Snow and Ice Data CentIce Data Center.

Geoff Beacon # 19: To answer your question, if you mean you expect the NSIDC to announce a September arctic sea ice minimum below, say 1M sq km, by 2015, I would bet against, but not a huge amount, because of uncertainty.

Topics of potential interest: The successful OCO - 2 launch, continuing likelihood of an El Niño event this fall, predictions of the September Arctic sea ice minimum, Antarctic sea ice excursions, stochastic elements in climate models etc..

Last september some scientists, even before the full results were known, announced that the Arctic sea ice had reached a new minimum.

-- The Minimum Sea Ice Extent in the arctic was lower in 1990 than in 2006 — ie the arctic ice summer (September) minimum has been more - or-less stable for 16Minimum Sea Ice Extent in the arctic was lower in 1990 than in 2006 — ie the arctic ice summer (September) minimum has been more - or-less stable for 16 yeaIce Extent in the arctic was lower in 1990 than in 2006 — ie the arctic ice summer (September) minimum has been more - or-less stable for 16 yeaice summer (September) minimum has been more - or-less stable for 16minimum has been more - or-less stable for 16 years.

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.

Jin (IARC), 5.06, Modeling (same as June) A coupled ice - ocean model forecast of the September sea ice extent minimum.

The US National Snow and Ice Data Center, which monitors Arctic ice, said last week: «It is unlikely that Arctic sea ice extent this September will fall below the record minimum set in 2012.&raqIce Data Center, which monitors Arctic ice, said last week: «It is unlikely that Arctic sea ice extent this September will fall below the record minimum set in 2012.&raqice, said last week: «It is unlikely that Arctic sea ice extent this September will fall below the record minimum set in 2012.&raqice extent this September will fall below the record minimum set in 2012.»

Now it's official: as of September 16, according to the National Snow and Ice Data Center, the sea ice covering the Arctic Ocean reached a record low minimum exteIce Data Center, the sea ice covering the Arctic Ocean reached a record low minimum exteice covering the Arctic Ocean reached a record low minimum extent.

Note that the sea ice extent is likely to be higher than the record September minimum in 2012 simply due to «regression to the mean», but it would not imply that there had been any «recovery».

On September 12, 2009, sea ice in the Arctic Ocean most likely reached its minimum extent for 2009, said the National Snow and Ice Data Centice in the Arctic Ocean most likely reached its minimum extent for 2009, said the National Snow and Ice Data CentIce Data Center.

Klazes (Public), 3.6 (95 % confidence interval of + / - 0.9), Statistical September extent is predicted using an estimated minimum value of the PIOMAS arctic sea ice volume and a simple model for volume - extent relationship.

After an unusually cool summer in the northernmost latitudes, Arctic sea ice appears to have reached its annual minimum extent on September 13, 2013.

Each year, the Arctic sea ice reaches its minimum extent in September.

UPDATE 27 AUGUST: Sunday's data confirms that the previous sea - ice extent minimum of 24 September 2007 was broken last Friday, 24 August 2012.

Arctic sea ice grows and shrinks seasonally, with an annual minimum in September.

Arctic sea ice is already beginning to melt and recede, setting the stage for a very low sea - ice minimum extent that the center will declare in September, he added.

Tagged Arctic, attacks, biggest threat, Churchill, facts, ice growth, last glacial maximum, minimum, polar bear, polar bear alert, population size, problem bears, Refuge, resilience, sea ice, September, summer, thick spring ice

Arctic sea ice behavior was unusual in 2010 in that the sea ice appeared to reach its minimum extent on September 10 and began growing again.

New University of Colorado at Boulder calculations indicate the record low minimum extent of sea ice across the Arctic last September has a three - in - five chance of being shattered again in 2008 because of continued warming temperatures and a preponderance of younger, thinner ice.

On September 19, Arctic sea ice reached its 2010 minimum, at 4.60 million square kilometers (1.78 million square miles).

In the summer of 2012, Arctic sea ice has broken the previous record for minimum extent (set in 2007), fallen below 4 million square kilometers, and, as of September 17, dropped below 3.5 million square kilometers in extent.

PAN-ARCTIC OUTLOOK Submitted by WUWT today, June 4th to Helen Wiggins of ARCUS, details here About the Sea Ice Outlook The SEARCH Sea Ice Outlook is an international effort to provide a community - wide summary of the expected September arctic sea ice minimSea Ice Outlook The SEARCH Sea Ice Outlook is an international effort to provide a community - wide summary of the expected September arctic sea ice minimIce Outlook The SEARCH Sea Ice Outlook is an international effort to provide a community - wide summary of the expected September arctic sea ice minimSea Ice Outlook is an international effort to provide a community - wide summary of the expected September arctic sea ice minimIce Outlook is an international effort to provide a community - wide summary of the expected September arctic sea ice minimsea ice minimice minimum.

[4] On September 10, 2016, Arctic sea ice extent stood at 1.60 million square miles, the second - lowest minimum sea ice extent on record, tied with 2007.

In September 2007 sea ice extent reached its lowest level since the satellite record began in 1979; the monthly extent, 4.28 × 106 square kilometers, surpassed the previous sea ice minimum record (set in 2005) by 1.28 × 106 square kilometers [Stroeve et al., 2008].

The problem, however, is NOT the decreasing Arctic sea ice extents at its September minimum of 3 — 4 Mkm ^ 2 at 80 north latitude, but the ever - increasing Antarctic sea ice extents at 59 south latitude.

They recently coauthored a paper entitled September Arctic sea - ice minimum predicted by spring melt - pond fraction.

Sea ice then hits its yearly minimum sometime in September or early October.

They found find that the Arctic sea - ice minimum can be accurately forecasted from melt - pond area in spring with a strong correlation between the spring pond fraction and September sea - ice extent.

Observed September minimum sea ice extent denoted by the red dashed line.

53 % of the Outlook contributions suggest the September minimum will remain below 5 million square kilometers, representing a continued trend of declining sea ice extent.

Gauthier et al. (Canadian Ice Service); 4.9 Million Square Kilometers; Heuristic / Empirical The Canadian Ice Service (CIS) is predicting the minimum arctic sea ice extent to be less than 5 million square kilometres in September 20Ice Service); 4.9 Million Square Kilometers; Heuristic / Empirical The Canadian Ice Service (CIS) is predicting the minimum arctic sea ice extent to be less than 5 million square kilometres in September 20Ice Service (CIS) is predicting the minimum arctic sea ice extent to be less than 5 million square kilometres in September 20ice extent to be less than 5 million square kilometres in September 2010.

For Antarctica, the lowest maximum extent, recorded on September 12, follows a record low minimum sea ice coverage recorded on March 1 after the summer thaw, he said.