Sentences with phrase «polar ice recorded»

James Taylor of the Heartland Institute wrote in Forbes that the 1979 baseline on polar ice recorded a figure with that was unusually high, so when some melted we didn't really need to panic.

The 800 - year lag between the beginnings of temperature increase and CO2 rise in the polar ice record is because the initial warming that provoked the end of the ice ages was caused by changes in the Earth's alignment and orbit around the sun; not anthropogenic CO2.

Not exact matches

But when tree rings, pollen counts in polar ice, and temperature records from multiple places around the world all point in the same direction, we become increasingly confident that global warming is a reality.

The case of this one polar bear and the failure of her offspring to survive in the new environmental conditions of the Arctic doesn't bode well for the future of the species, especially as Arctic sea ice continues to retreat at a record pace.

They then used the satellite record of Arctic sea ice extent to calculate the rates of sea ice loss and then projected those rates into the future, to estimate how much more the sea ice cover may shrink in approximately three polar bear generations, or 35 years.

The research is timely given the extreme winter of 2017 - 2018, including record warm Arctic and low sea ice, record - breaking polar vortex disruption, record - breaking cold and disruptive snowfalls in the United States and Europe, severe «bomb cyclones» and costly nor'easter s, said Judah Cohen, director of seasonal forecasting at AER and lead author of the study.

The polar vortex that swirls around the South Pole is not just stronger than it was when satellite records began in the 1970s, it has more convergence, meaning it shoves the sea ice together to cause ridging.

Reconstructions of past Hothouse climates had shown that temperatures had been around six degrees higher on average, and higher still in polar regions, with no polar ice - caps and a temperate to subtropical fauna and flora, as evidenced by the fossil record in these areas.

Assessment of diffusive isotopic fractionation in polar firn, and application to ice core trace gas records.

Although it was not a true ice age, the term was introduced It is not uncommon to read that ice cores from the polar regions contain records of climatic change from the distant past.

Instead of melting ice caps and imperiled polar bears, AHN / VHS» quiet, small works show — which features drawings, prints, video and mixed media — focuses on the daily weather data recorded at Long Island City's artist - run SP Weather Station....»

The lake sediment record presented here corroborates numerous recent cosmogenic exposure dating studies indicating complex patterns of erosion beneath polar ice sheets.

Although a recent downward trend in coverage is clearly visible by naked eye inspection, Goddard invites us to believe there has ``... been no net gain or loss of polar sea ice since records began.»

Current concentrations of atmospheric carbon dioxide and methane far exceed pre-industrial values found in polar ice core records of atmospheric composition dating back 650,000 years.

The north polar ice pack has reformed, and records were set for snowfall, ice coverage, etc. all over the globe.

Over the last 35 years, our research team has recovered ice - core records of climatic and environmental variations from the polar regions and from low - latitude high - elevation ice fields from 16 countries.

Unusually low temperatures in the stratosphere, even cold records, are at fault — creating conditions whereby ice crystals form in so called polar stratospheric clouds.

Tagged annual summer minimum, arctic sea ice, Beaufort Sea, body condition, Cherry, Chukchi, declining sea ice, Eastern Beaufort, good news, heavy sea ice, Hudson Bay, ice - free Arctic, litter size, loss of summer ice, Pilfold, polar bear, record low, Regehr, ringed seals, Rode, sea ice extent, Southern Beaufort, Stirling, summer ice minimum, summer sea ice, thick spring ice

Yet, Polar Bears International («Save Our Sea Ice»)-- who were surely in and around Churchill in 2010 and 2006 watching polar bears — just posted an alarming statement about local conditions, implying that slow freeze - up of Hudson Bay this year is a reflection of the fact that «sea ice is at a record low across the Arctic.&raqIce»)-- who were surely in and around Churchill in 2010 and 2006 watching polar bears — just posted an alarming statement about local conditions, implying that slow freeze - up of Hudson Bay this year is a reflection of the fact that «sea ice is at a record low across the Arctic.&raqice is at a record low across the Arctic.»

Tagged adaptation, declining sea ice, early breakup, evolution, historical sea ice record, indivdual variation, late freeze - up, natural selection, NSIDC, polar bear, resilience, sea ice minimum, sea ice variability, Stirling, Stroeve, survival, western hudson bay

Still, Southern Hudson Bay polar bears had extended hunting opportunities in July this year (whether or not they hunted successfully) and for this date, Hudson Bay had more ice remaining than any year on record.

At the same time that record heat is occurring in the polar regions and elsewhere, snow is forecasted (scheduled) to fall as far south as Chihuahua, Mexico (2017 also saw record low ice at BOTH poles).

Currently we have mixed signals including a very warm N.Pacific, fizzling El Nino, record polar ice, solar activity heading for the basement, and Canada bracing for another polar vortex winter.

Keeling's record of data from Mauna Loa is considered one of the best and most consistent climate records anywhere, though scientists also use other sources for atmospheric data, including samples of air trapped in polar ice, to analyze CO2 levels in past millennia.

And yet the seas have kept on rising, and the polar ice hs kept on melting, and planetary heat - records keep on breaking

The Greenland ice sheet is poised for another record melt this year, and is approaching a «tipping point» into a new and more dangerous melt regime in which the summer melt area covers the entire land mass, according to new findings from polar researchers.

These are all good signs — but, set against the rapid disintegration of polar ice caps and the record global temperatures each of the last three years, they still amount to too little.

«Ice cores are really cool because we have the best record of what the climate has been in the past,» says Taylor, a research professor at the Desert Research Institute in Reno, Nev., who did his first polar fieldwork as a graduate student in the early 1980s.

By far the best match was to the record of atmospheric carbon dioxide, measured from atmospheric samples and air trapped in polar ice.

The polar vortex that swirls around the South Pole is not just stronger than it was when satellite records began in the 1970s, it has more convergence, meaning it shoves the sea ice together to cause ridging.

Is polar sea ice at a record low this winter of 2017/18?

Santa's elves got fed up freezing their asses off in slavish servitude to the jolly elf, and so they all went out and bought heaters, fired»em up, and started the polar ice melting,... which scared the crap out of the reindeer — LITERALLY, more crap, which caused more greenhouse gases to enter the atmosphere, which caused more polar warming, which caused more ice to melt, which caused wind patterns to change, thus, driving the wee cloud - warming fairies out of their warm clouds, creating colder temperatures, transferred by the changing wind patterns, intercepted by all Northern Hemisphere unicorns that inhaled it and exhaled it about the continent to produce record cold temperatures.

This method allowed them to see further back than the precision records preserved in cores of polar ice, which go back only 800,000 years.

Page 2 of 23 Duncan Steel: Perihelion precession, polar ice and global warming Introduction Record melting of Arctic sea ice over the past year (Schiermeier 2012) has been widely presumed to be a consequence of anthropogenic global warming (AGW), and yet a natural mechanism exists that may be responsible, at least in part.

He says that if the baseline is 1973, when the polar - orbiting satellites began recording the data, there is not much difference between today's ice extent and then.

Record polar ice cap melt dick heads... absolute correlation between Co2 and temperature rise... Deal with it....

The following are more of interest: — «Winter Sampling of Shallow Firn Air at the South Pole to Understand Processes Affecting Firn Atmospheric Histories and Ice Core Gas Records» by Severinghaus (2000), — «Thermal fractionation of air in polar firn by seasonal temperature gradients» by Severinghaus, Grachev & Battle (2001), — «Severinghaus et al. «Fractionation of gases in polar ice during bubble close - off: New constraints from firn air Ne, Kr and Xe observations» by Severinghaus & Battle (2006), but all follow the same line of reasoniIce Core Gas Records» by Severinghaus (2000), — «Thermal fractionation of air in polar firn by seasonal temperature gradients» by Severinghaus, Grachev & Battle (2001), — «Severinghaus et al. «Fractionation of gases in polar ice during bubble close - off: New constraints from firn air Ne, Kr and Xe observations» by Severinghaus & Battle (2006), but all follow the same line of reasoniice during bubble close - off: New constraints from firn air Ne, Kr and Xe observations» by Severinghaus & Battle (2006), but all follow the same line of reasoning.

What is significant about this paper is that GHG forcing that is supposedly causing exponential, run - away warming, collapse of the polar ice sheets, retreat of the worlds glaciers, etc since around 1960 is not visible at all in the sea level record.

«Globally, sea ice is at record lows as the polar regions warm faster than the rest of the planet.

The most significant changes in the new D - series cloud datasets are: 1) revised radiance calibrations to remove spurious changes in the long - term record, 2) increased cirrus detection sensitivity over land, 3) increased low - level cloud detection sensitivity in polar regions, 4) reduced biases in cirrus cloud properties using an ice crystal microphysics model in place of a liquid droplet microphysics model, and 5) increased detail about the variations of cloud properties.

After all, at the same time the Arctic was melting, the Antarctic Ice Cap at the South Pole was setting a record for the greatest extent of polar ice in observed history and at the same time South America and much of the Southern Hemisphere was experiencing the coldest and longest winter in at least 50 yeaIce Cap at the South Pole was setting a record for the greatest extent of polar ice in observed history and at the same time South America and much of the Southern Hemisphere was experiencing the coldest and longest winter in at least 50 yeaice in observed history and at the same time South America and much of the Southern Hemisphere was experiencing the coldest and longest winter in at least 50 years.

Glacial / interglacial changes in mineral dust and sea - salt records in polar ice cores: Sources, transport, and deposition

A point to note from the geological record is that polar ice caps appeared about 3.5 million years ago when atmospheric CO2 had decreased to about 450 ppm (it is about 400 ppm right now).

The melting and cooling of the polar ice caps are considered the main culprit in global sea level changes seen in the geologic record.

The gradual but systematic rise of 1.5 degrees C is best explained by the record of atmospheric carbon dioxide, measured from atmospheric samples and air trapped in polar ice.

But so far Fox News remains silent not only on Monnett's case but also on the record arctic sea ice loss this summer that portends danger for polar bears.

Hi iceman, Sorry for the tardy reply, that pesky real life thing again...:) The reason there is so little excitement about the record high sea ice extent in the antarctic (aside from it having no appealing potential victims, like polar bears) versus the record low arctic sea ice is probably because the southern record is only a matter of 2 % anamoly, whereas in the north we are now looking at levels over 40 % below average.

• As far as is known, the record low extent of sea ice in March 2017 had no impact on polar bear health or survival.

Maybe Al Gore, whose credibility is on very thin ice, can explain how polar bears survived the 1817 conditions or any of the other variations of weather and ice in the historic record.

https://judithcurry.com/2017/01/09/skin-in-the-game/#comment-834593 When polar sea ice has record low extents, there is more snow and cold that follows.