Sentences with phrase «which sea ice extent»

The well - predicted years turn out to be those in which sea ice extent lies close to its long - term downward trend.

Yes, after an autumn in which the sea ice extent curve has tracked pretty closely with 2007 — which ended up with a record - low minimum — we have had a sharp increase in extent over the last few weeks.

The degree to which this estimate is wrong is a measure of the degree to which the sea ice extent is not following a linear trend.

Not exact matches

Now, a new study led by Colorado State University provides important details on the extent of sea ice, which can protect ice shelves from the impacts of ocean storms, in the Antarctic Peninsula.

For decades beforehand, researchers had debated the extent to which ice shelves buttress glaciers on land — acting like corks that slow the land ice's inevitable march to the sea.

In the last three years, the sea ice's extent - the ocean area in which a defined minimum of sea ice can be found — was at its lowest in the 30 - year satellite record.

In Antarctica, this year's record low annual sea ice minimum of 815,000 square miles (2.11 million square kilometers) was 71,000 square miles (184,000 square kilometers) below the previous lowest minimum extent in the satellite record, which occurred in 1997.

It's unclear whether this year's strong El Niño event, which is a naturally occurring phenomenon that typically occurs every two to seven years where the surface water of the eastern equatorial Pacific Ocean warms, has had any impact on the Arctic sea ice minimum extent.

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 197Ice 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 197ice 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 197ice around the continent since satellite measurements began in the late 1970s.

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.

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).

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.

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.

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

Current ice extent is well below levels at the same point in 2012, which went on to set the current record for the lowest sea ice minimum extent:

The major areas of anomalous warmth were around the Arctic, which also saw record low sea ice extent during January and February.

The motivation for this time series is to visualize the fact that the long term Arctic - wide loss of sea ice is not only happening in extent, which is well measured by satellites, but also in thickness, which isn't.

We have just passed the annual maximum in Arctic sea ice extent which always occurs sometime in March.

As you are probably aware, the Barents Sea and to a somewhat lesser extent the Kara Sea had quite late icing up this year (as opposed to other NH basins which more or less froze up on queue).

That a connection between solar cycle length and sea ice extent * could exist * — which is about what I take them to have shown — is not absurd, and might be worth examining.

Dr. Brigham said that to a large extent, it is Russian bureaucracy more than sea ice or icebergs that is impeding international use of the Arctic route along its coast, which has in theory been open to such transit since 1987.

I have predicted that artic sea ice extent this summer will increase greatly because sea ice extent is greatly affected by past land temperatures, which have been unusally low since November (My 279, and responses 279 & 280).

As expected from my 2002 paper, the low A.O. conditions of late have sequestered quite a bit of sea ice the Arctic, which should foster a more moderate retreat of sea ice extent this coming spring, summer and fall.

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.

The median July Outlook for September 2015 Arctic sea ice extent is 5.0 million square kilometers (km2), which is the same as the June Outlook median.

Canadian Ice Service, 4.7, Multiple Methods As with CIS contributions in June 2009, 2010, and 2011, the 2012 forecast was derived using a combination of three methods: 1) a qualitative heuristic method based on observed end - of - winter arctic ice thicknesses and extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictoIce Service, 4.7, Multiple Methods As with CIS contributions in June 2009, 2010, and 2011, the 2012 forecast was derived using a combination of three methods: 1) a qualitative heuristic method based on observed end - of - winter arctic ice thicknesses and extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictoice thicknesses and extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictoSea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictoIce Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictosea ice predictoice predictors.

The extent to which this will happen in the future depends, crucially, on how warm the sea - water lying under the ice - shelves is.

The predicted September monthly average sea ice extent is 5.48 (4.97 - 5.98) million km2 which is same to the result of June Report.

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.»

Already the sea ice extent is tracking below this time in 2007, which remains the record year for the lowest sea ice extent.

Sea ice extent is defined by the area in which ice concentration exceeds 15 percent.

Bob, you write «Jim, there is a negative correlation between sea ice extent and CO2 which you have done nothing to dispel.»

Provided that ocean and atmospheric conditions favor rapid melting in June and July, which we feel are still likely, it is therefore hypothesized that the 2013 fall sea ice extent will achieve values comparable to those of 2012, with regional losses governed by local wind and ice conditions and dynamics.

This will happen regardless of the extent of late - summer sea ice (which is what all the «hoopla» is about now).

In both the Arctic and the Antarctic «natural causes» (the seasons) are responsible for the seasonal decrease / increase in sea ice extent, which are, of course, much larger than the average annual change.

For example, the events of summer 2012 suggest that spring sea ice extent is probably not the best variable on which to base summer Outlooks.

Using satellites we can estimate both sea ice area, which is the area of the sea which is ice - covered, and ice extent, which is the area of ocean which has 15 % or more ice cover.

They used all the scientific papers they could find that investigated both polar bears and sea ice, which added up to 92, and scored their positions on sea ice extent and whether it is decreasing significantly and the threat of extinction versus adaptability of polar bears.

Sea ice extent, thickness and volume are all normal, yet the Flat Earth Society of climate scientists drones on endlessly about an ice - free Arctic — which they will never live to see.

On the text on the extent of Arctic sea ice, the UK asked about changes in Arctic sea ice thickness and the US about summer sea ice extent, to which the CLAs replied that this information is discussed in detail in the underlying assessment.

For the month of November, the Arctic sea ice extent averaged 9.08 million square kilometers, which is 1.95 million square kilometers below the recorded 1981 to 2010 long - term average for the said month.

The rapid warming and increased solar radiation absorption have combined to result in younger, thinner Arctic sea ice, which therefore melts more easily, making record low extents more likely to occur.

However, neither of these papers involve reconstructions of Arctic sea ice extent; rather, they deal with reconstructing Greenland temperatures, which are not necessarily representative of Arctic temperature as a whole - after all, the continent is covered in a large ice sheet, and the reconstructions are from the summit of the Greenland ice cap, not at sea level.

«Direct observational data on surface air temperature are sparse for the Antarctic, but none of the datasets examined provides evidence of net warming south of 60 ° S since 1979, a period during which sea - ice extent increased a little.»

Thus if we look back far enough in the past, we can certainly find a period during which the Arctic was hotter and Arctic sea ice extent was lower.

Stroeve et al. (2011) noted that in 2009 - 2010, the AO was in a state which should have resulted in a large sea ice extent; the fact that 2010 was a year of relatively low sea ice extent is indicative long - term human - caused sea ice decline.

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.

Thus, the concept of increasing CO2 is causing increasing sea level rise from polar ice melt embodies two assumptions that need to be established with physical evidence: 1) the extent to which increased CO2 will cause increased temperatures, assumptions or models do not suffice; and 2) the extent to which increased temperatures will cause Antarctic ice melt.

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.

I'm still staring at the AMSR - E sea Ice extent graph, which right on cue with Al Gore's proclamation that the Artic ice would be gone in five years (so give Al money noIce extent graph, which right on cue with Al Gore's proclamation that the Artic ice would be gone in five years (so give Al money noice would be gone in five years (so give Al money now!)