Sentences with phrase «of global sea ice extent»

Despite the reservations previously expressed by Walt Meier, NASA have now produced an animated GIF of global sea ice extent:

Not exact matches

We have much better — and more conclusive — evidence for climate change from more boring sources like global temperature averages, or the extent of global sea ice, or thousands of years» worth of C02 levels stored frozen in ice cores.

The extent of global sea ice coverage reached its smallest area ever recorded in 2016, new data show.

As of January 17, for instance, the global extent (area) of sea ice is at its smallest point in potentially thousands of years.

The global mean temperature rise of less than 1 degree C in the past century does not seem like much, but it is associated with a winter temperature rise of 3 to 4 degrees C over most of the Arctic in the past 20 years, unprecedented loss of ice from all the tropical glaciers, a decrease of 15 to 20 % in late summer sea ice extent, rising sealevel, and a host of other measured signs of anomalous and rapid climate change.

I think these are simply features of global climate that are embedded and as predictable as other large features like hurricane patterns, the gulf stream, the jet stream, sea ice extent and mass, global glacial conditions, sea level etc..

Global climate model projections (in CMIP3 at least) appear to underestimate sea ice extent losses with respect to observations, though this is not universally true for all models and some of them actually have ensemble spreads that are compatible with PIOMAS ice volume estimates and satellite observations of sea ice extent.

The first web page also has a link to global sea ice extent, and that shows that it is at a record low for the this day of the year, and has been very low for most of the year.

AGW «science» predicted that Antarctic continental ice would increase because of more precipitaion due to global warming, not sea ice extent.

«The very low summer extent of Arctic sea ice that has been observed in recent years is often casually interpreted as an early - warning sign of anthropogenic global warming.

There are certainly better indicators of global warming trends — ice sheet volume, sea ice extent and sea surface temperatures all come to mind — but hurricanes get people's attention.

Figure 3: National Snow and Ice Data Center (NSIDC) Antarctic, Arctic, and global (sum of the two) sea ice extents with linear trenIce Data Center (NSIDC) Antarctic, Arctic, and global (sum of the two) sea ice extents with linear trenice extents with linear trends.

The influence of anthropogenic forcing has also been detected in various physical systems over the last 50 years, including increases in global oceanic heat content, increases in sea level, shrinking of alpine glaciers, reductions in Arctic sea ice extent, and reductions in spring snow cover (Hegerl et al., 2007).

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.

Currently, we are in a period of global cooling and «Arctic sea ice extent... for April 2010 was the largest for that month in the past decade.»

Given the apparent importance of the MDCs in determining the seasonal and interannual variations in sea ice extent, it is very difficult to discriminate a global warming signal from the data because of the short data record.

Two key climate change indicators — global surface temperatures and Arctic sea ice extent — have broken numerous records through the first half of 2016.

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.

«Unusually cold winters, a slowing in upward global temperatures, or an increase in Arctic sea ice extent are often falsely cast as here - and - now disconfirmation of the scientific consensus on climate change.

The aim of the C - SIDE working group is to reconstruct changes in sea - ice extent in the Southern Ocean for the past 130,000 years, reconstruct how sea - ice cover responded to global cooling as the Earth entered a glacial cycle, and to better understand how sea - ice cover may have influenced nutrient cycling, ocean productivity, air - sea gas exchange, and circulation dynamics.

The global climate models used in the 2007 IPCC report also failed to acount for the extent of Arctic sea ice loss (Figure 9).

Go ahead and show us on any of the following: Arctic Sea Ice Extent Antarctic Sea Ice Extent OHC Sea level Rise Rate Global Temperature Drought Incidence Hurricane Activity Tornado Activity Glacial Melting Like my mother use to tell me «Do something useful»

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.

Previous research has shown that global warming will cause changes in ocean temperatures, sea ice extent, salinity, and oxygen levels, among other impacts, that are likely to lead to significant shifts in the distribution range and productivity of marine species, the study notes.

Now, since 2007, at the height of the global warming scare tactics about arctic sea ice, the antarctic sea ice extents anomaly CONTINUOUSLY exceeds 1.25 Mkm ^ 2 for 3 years straight now, and is larger than 1.5 Mkm ^ 2 so often for such long times that it is not even newsworthy on a skeptic site.

Previous research has shown that global warming will cause changes in ocean temperatures, sea ice extent, salinity, and oxygen levels, among other impacts, that are likely to lead to shifts in the range and productivity of marine species.

For the AGW Warmers — a relatively short time ago — loss of sea ice extent was all the rage as an indicator of Catastrophic Global Warming... The artic was the proverbial Canary in the Global Warming Coal mine that was twittering warnings of the demise of the world.

There are no radical departures in this report from the previous assessment, published in 2007; just a great deal more evidence demonstrating the extent of global temperature rises, the melting of ice sheets and sea ice, the retreat of the glaciers, the rising and acidification of the oceans and the changes in weather patterns (3).

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...

This time series of daily global sea ice extent (Arctic plus Antarctic) shows global extent tracking below the 1981 to 2010 average.

The study also found that the Southern Ocean Circumpolar Current, which helps determine sea - ice extent, is steered by submerged ridges and canyons along the edge of the Antarctic continental shelf, rather than by global warming or other climatic conditions.

If the claim that the recent Arctic melting is unusual and due to man - made global warming were true, then this would mean that the sea ice extent in September 1979 was relatively low (September being the month of minimum sea ice in the Arctic).

Then, in the beginning days of February, the Arctic sea ice extent and area both broke records again, as the entire global sea ice area entered the second - lowest range ever to have been recorded.

«Arctic Ice in «Death Spiral» with additional heating due to global warming, the extent of sea ice cover has gotten smaller and smaller over the summers since the 198Ice in «Death Spiral» with additional heating due to global warming, the extent of sea ice cover has gotten smaller and smaller over the summers since the 198ice cover has gotten smaller and smaller over the summers since the 1980s.

They are assuming that a 2C rise in global temperatures will occur, sometime between 2015 and 2052, and this will affect particularly the sea ice extent, winds and the amount of open water on which these colonies depend.

The site writes that despite all the global warming and ice - melt fantasies circulating through the circles of climate alarmism, «Arctic sea ice extent in July 2015 increased strongly compared to a year earlier.»

The G refers to global, thus the MEAN global T must rise, the mean sea ice extent must decrease, global sea level trend must increase, global tornadoes must rise, global floods must increase, the rate of global sea riseust rise, and all the global change MUST be catastrophic, and clearly outside of recent past global flux.

For example, additional evidence of a warming trend can be found in the dramatic decrease in the extent of Arctic sea ice at its summer minimum (which occurs in September), decrease in spring snow cover in the Northern Hemisphere, increases in the global average upper ocean (upper 700 m or 2300 feet) heat content (shown relative to the 1955 — 2006 average), and in sea - level rise.

The report tracks patterns, changes, and trends of the global climate system, including: greenhouse gases; temperatures throughout the atmosphere, ocean, and land; cloud cover; sea level; ocean salinity; sea ice extent; and snow cover.

Indeed the last five years include the five lowest sea ice extents since records began in 1979, and much of that trend has been caused by global warming, says NASA Cryosphere Program manager Tom Wagner in his video interpretation of the 2011 sea ice record (43 MB MPEG - 4).

That's an oversight that I intend to rectify, starting with a dissection of Solomon's recent misrepresentation of the latest Arctic sea ice extent data, said to «augur» coming «global cooling».

Global temperature has declined despite increasing in CO2; sea ice extent has increased and understanding of the role of wind and currents in ice formation and movement have improved.

What's not debatable is that as Arctic Sea Ice extent is diminishing global average temperature of the lower troposphere is declining.

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.

Record droughts in many areas of the world, the loss of arctic sea ice — what you see is an increasing trend that is superimposed on annual variablity (no bets on what happens next year, but the five - to - ten year average in global temperatures, sea surface temperatures, ocean heat content — those will increase — and ice sheet volumes, tropical glacier volumes, sea ice extent will decrease.

That happens to coincide with the end of the 1945 — 1977 global cold period and the maximum extent of Arctic sea ice.

For instance, one can colour the extent of the loss of Arctic sea ice during the last few decades, or the projected loss of shoreline if sea levels rise, or how many football fields of global forest we are losing every minute.

Antarctic sea ice extent has been the last vestige of denial for those who still desperately cling to the «global warming is a hoax» fossil fuel industry false narrative.

Not subject to urban heat island effects, the trend in global sea ice extent is a primary indicator of climate change, or the lack thereof.