Sentences with phrase «recent decline in sea ice»

JC says «There are three main theories for the recent decline in sea ice extent and volume,» gives the three, but gives no program for testing which theory is true.

«So there's a definite recent decline in sea ice,» Jessica Blunden, a climatologist with ERT, Inc. at NCEI and the lead editor of the report, said.

Not exact matches

After a decade with nine of the lowest arctic sea - ice minima on record, including the historically low minimum in 2012, we synthesize recent developments in the study of ecological responses to sea - ice decline.

Although researchers have been generally successful at modelling the huge declines in Arctic sea ice, the extent of Antarctic sea ice has actually increased in recent years, contrary to the predictions of models.

However, the share of thermal expansion in global sea level rise has declined in recent decades as the shrinking of land ice has accelerated (Lombard et al 2005).

In contrast, the scenario in Fig. 5A, with global warming peaking just over 1 °C and then declining slowly, should allow summer sea ice to survive and then gradually increase to levels representative of recent decadeIn contrast, the scenario in Fig. 5A, with global warming peaking just over 1 °C and then declining slowly, should allow summer sea ice to survive and then gradually increase to levels representative of recent decadein Fig. 5A, with global warming peaking just over 1 °C and then declining slowly, should allow summer sea ice to survive and then gradually increase to levels representative of recent decades.

A recent paper by Francis & Hunter provides an interesting discussion about reasons for the recent decline in the Arctic sea - ice extent, based on new satellite observations.

The credible scientific studies I can find indicate that the observed Arctic sea ice decline has accellerated in recent years, which would make a linear interpolation a really lousey estimate with which to predict the future.

So, I was curious about your recent paper and whether there was any discussion of changes in the THC poleward of the GIS shelf vs the data from the RAPID program line located at 26.5 N. With the decline in minimum extent and volume of sea - ice, one might expect to see more THC sinking into the Arctic Ocean, with consequences for both climate and weather.

For example, recent results from the Met Office do show that there is a detectable human impact in the long - term decline in sea ice over the past 30 years, and all the evidence points to a complete loss of summer sea ice much later this century.

In fact, recent research has suggested that, perhaps unintuitively, the extreme cold spell experienced by Europe this winter was linked to the sea ice decline in the ArctiIn fact, recent research has suggested that, perhaps unintuitively, the extreme cold spell experienced by Europe this winter was linked to the sea ice decline in the Arctiin the Arctic.

«A number of recent climate change reports even failed to mention polar bears in their discussion of Arctic sea ice decline... Crockford, «Even Al Gore seems to have forgotten to include the plight of polar bears in his newest climate change movie.

Most interpretations of the recent decline in Arctic sea ice extent have focused on the role of anthropogenic greenhouse gas forcing, with some allowance for natural variability.

The dramatic decline in Arctic sea ice and snow is one of the most profound signs of global warming and has coincided with «a period of ostensibly more frequent events of extreme weather across the mid-latitudes, including extreme heat and rainfall events and recent severe winters,» according to the conference organizers, who are posting updates under the #arctic17 hashtag on Twitter.

It is arguably one of the most advanced of the seven in its impacts, with a 2011 GRL report putting its warming effect as equivalent to around 30 % of atmospheric anthro - CO2, and the recent report putting albedo loss from arctic sea - ice decline since»79 as providing a forcing equivalent on average to that from 25 % of the anthro - CO2 levels during the period.

The figure shows a clear and steady decline in Arctic sea ice since the late 1970s, with lighter darker colours (earlier years) at the top and lighter colors (more recent years) much lower.

There is ample evidence that the recent decline in Arctic Sea Ice is primarily driven by Wind and Atmospheric Oscillations, i.e.: https://wattsupwiththat.com/2012/06/16/the-economist-provides-readers-with-erroneous-information-about-arctic-sea-ice/

Depending on how the weather plays out over the next few weeks, that minimum is likely to fall somewhere between second and fifth place, they estimate — still a remarkably low level that shows how precipitously sea ice has declined in recent decades.

Recent trends in the decline of Arctic polar sea ice extent continued in 2016.

For more on the terrestrial foods topic, see my detailed discussion in this previous post, and this recent (March 30) ScienceNews report on yet another, largely anecdotal «polar bears resort to bird eggs because of declining sea ice» story (see photo below, based on a new paper by Prop and colleagues), which was also covered March 31 at the DailyMail («Polar bears are forced to raid seabird nests as Arctic sea ice melts — eating more than 200 eggs in two hours,» with lots of hand - wringing and sea ice hype but little mention of the fact that there are many more bears now than there were in the early 1970s around Svalbard or that the variable, cyclical, AMO (not global warming) has had the largest impact on sea ice conditions in the Barents Sesea ice» story (see photo below, based on a new paper by Prop and colleagues), which was also covered March 31 at the DailyMail («Polar bears are forced to raid seabird nests as Arctic sea ice melts — eating more than 200 eggs in two hours,» with lots of hand - wringing and sea ice hype but little mention of the fact that there are many more bears now than there were in the early 1970s around Svalbard or that the variable, cyclical, AMO (not global warming) has had the largest impact on sea ice conditions in the Barents Sesea ice melts — eating more than 200 eggs in two hours,» with lots of hand - wringing and sea ice hype but little mention of the fact that there are many more bears now than there were in the early 1970s around Svalbard or that the variable, cyclical, AMO (not global warming) has had the largest impact on sea ice conditions in the Barents Sesea ice hype but little mention of the fact that there are many more bears now than there were in the early 1970s around Svalbard or that the variable, cyclical, AMO (not global warming) has had the largest impact on sea ice conditions in the Barents Sesea ice conditions in the Barents SeaSea).

To summarise, the recent decline in Arctic sea ice doesn't seem to be unusual, or related to human activity.

It is likely that there has been about a 40 percent decline in Arctic sea - ice thickness during late summer to early autumn in recent decades and a considerably slower decline in winter sea - ice thickness.

The area of Arctic sea ice was nearly 30 % greater in August than a year ago, according to recent satellite data, though projections based on longer - term trends suggest the sea ice will continue its decline over time.

If this is correct, then the fact that the sea ice extent has been «declining since records began» (in 1979) doesn't mean that recent trends are unusual.

In contrast, the scenario in Fig. 5A, with global warming peaking just over 1 °C and then declining slowly, should allow summer sea ice to survive and then gradually increase to levels representative of recent decadeIn contrast, the scenario in Fig. 5A, with global warming peaking just over 1 °C and then declining slowly, should allow summer sea ice to survive and then gradually increase to levels representative of recent decadein Fig. 5A, with global warming peaking just over 1 °C and then declining slowly, should allow summer sea ice to survive and then gradually increase to levels representative of recent decades.

While all the press is about the observed declines in Arctic sea ice extent in recent decades, little attention at all is paid to the fact that the sea ice extent in the Antarctic has been on the increase.

The magnitude and pace of the recent Arctic sea - ice decline and ocean warming is «unprecedented» in at least the past 1,500 years and likely much longer, according to a federal report released Tuesday by the National Oceanic and Atmospheric Administration.

Zhang, J., R. Lindsay, A. Schweiger, and I. Rigor, 2012: Recent changes in the dynamic properties of declining Arctic sea ice: A model study.

In recent years with sharp summer sea ice decline, the Arctic seems more sensitive to climate warming than elsewhere on Earth.

A series of extremely low September sea ice conditions during the last decade, including the unprecedented declines in 2007 and 2012, suggests a recent acceleration in the long - term Arctic sea ice loss (e.g., Stroeve et al., 2012b).

In their paper «Exploring recent trends in Northern Hemisphere blocking,» Barnes and colleagues used various meteorological definitions of «blocking» along with various datasets of atmospheric conditions to assess whether or not there have been any trends in the frequency of blocking events that could be tied to changes in global warming and / or the declines in Arctic sea icIn their paper «Exploring recent trends in Northern Hemisphere blocking,» Barnes and colleagues used various meteorological definitions of «blocking» along with various datasets of atmospheric conditions to assess whether or not there have been any trends in the frequency of blocking events that could be tied to changes in global warming and / or the declines in Arctic sea icin Northern Hemisphere blocking,» Barnes and colleagues used various meteorological definitions of «blocking» along with various datasets of atmospheric conditions to assess whether or not there have been any trends in the frequency of blocking events that could be tied to changes in global warming and / or the declines in Arctic sea icin the frequency of blocking events that could be tied to changes in global warming and / or the declines in Arctic sea icin global warming and / or the declines in Arctic sea icin Arctic sea ice.

The Heartland Institute was quick to republish the paper, putting the initially submitted manuscript online as early as April 30, 2017, pointing to it as proof that «The recent decline in Arctic sea ice is not unique.»

For example, while all of the global climate models participating in the most recent Intergovernmental Panel on Climate Change report show a decline in Arctic sea ice over the period of available observations, none of them match the severity of the trends we actually observe.