Sentences with phrase «recent ice data»
The most recent ice data, 10 June 2013, from a SAMS ice mass balance buoy installed in the fast ice in Inglefieldbukta (N 77 ° 54», E 18 ° 17») reported an ice thickness of about 88 cm and snow depth 20 cm.
https://www.searcharcticscience.org/ Not exact matches
This lottery has inadvertently accumulated almost a century of data on the river's thaw, and a recent analysis of town records shows that the ice cracks about 5 days earlier than it used to.
The data, collected by aerial survey missions flown in the Southern Hemisphere in the summer of 2014 - 2015, provide detailed topography of the perpetually ice - free region, where surprising landscape changes, such as rapid erosion along some streams, have been observed in recent years.
At the other end of the world, the recent satellite data show that the rate of melting of Arctic sea ice has accelerated from 2.5 per cent per decade, as shown by the Nimbus data, to 4.3 per cent per decade.
Recent ecological, genetic and archaeological data support the notion of human habitation in Beringia during the latest ice age.
The researchers combined data gathered from the buoys between 2002 and 2015 with satellite estimates of ice thickness in this region to better understand changes affecting the Arctic Ocean in recent years.
The most recent data showed that an average of 186 gigatons of ice was lost during 2003 - 10, which is only a seven - year period.
Comiso and other climate scientists reject the suggestion that his data set may overestimate the recent trend in Antarctic sea - ice growth — by as much as two - thirds, according to Eisenman's analysis.
The result gives a qualitatively good match to the most recent four ice age cycles, according to the 1990s data that they used.
Scientists have long suspected that the network of cracks in Europa's ice sheet could indicate a large volume of water underneath, and recent analysis of magnetic field data from the Galileo probe seems to confirm there is a salty ocean down there.
They then incorporated the recent satellite data to estimate how the ice sheet has changed through the 20th century.
In conclusion, the data presented here collectively suggest that recent decreases in western Arctic Ocean Ωa can be predominantly attributed to recent melting of multiyear sea ice and the associated seawater freshening and uptake of atmospheric CO2; biogeochemical processes exert an additional influence.
Along with a bump to Ice Cream Sandwich, the update will also bring HTC Sense 3.6 UI goodies, You will also get the Recent Apps menu, revised menu structures, new fonts, face recognition (i.e., Face Unlock), re-sizeable widgets, Home Screen Folders, new app dock, multi-tasking menu, Data Usage control, improved text input and and some nice performance improvements.
It is difficult to compare pre-satellite sea ice data with recent levels.
There are also some technical reasons for that (for instance, for some proxies, such as lake sediments or ice cores, it is harder to retrieve the most recent data).
The work by Vinther and colleagues in Southern Greenland is therefore key to helping calibrate the Greenland ice core records, and impressively, the correlations to the older data are as good as to the recent record, allowing us to have a little more confidence in the even longer term proxy data for this region.
I did the Minnesota ice - out date analysis a few years ago and had an interactive chart that would take the most recent data from the Minnesota DNR and plot that.
You'll find some links to sea ice thickness data on my blog's most recent «Miscellanea» post.
Second point: In a post in another recent thread, I stated that some of the data in the NASA «Eyes on the Earth» Website was quite out of date (especially Greenland ice melt.
The most recent NASA data I could find on the Antarctic 1981 - 2007 in an article on the Wilkins Ice Shelf disintegration looks much worse: it shows most of the continent as warming.
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.
I just tested this by trying to recall some details about recent improvements in understanding the data from the ice cores.
Comiso and other climate scientists reject the suggestion that his data set may overestimate the recent trend in Antarctic sea - ice growth — by as much as two - thirds, according to Eisenman's analysis.
Updated, July 23, 1:40 p.m. A new study of methods used to track Antarctic sea ice trends has raised important questions about whether recent increases in ice there are, to a significant extent, an illusion created by flawed analysis of data collected by a series of satellites.
Florence Fetterer of the National Snow and Ice Data Center referred me to the results of a recent symposium on sea ice (pdf), described in the Bulletin of the American Meteorological SocieIce Data Center referred me to the results of a recent symposium on sea ice (pdf), described in the Bulletin of the American Meteorological Socieice (pdf), described in the Bulletin of the American Meteorological Society:
In recent years, Greenland's ice has been melting more and flowing faster into the sea — a record amount of ice melted from the frozen mass this summer, according to recently released data — and Earth's rising temperatures are suspected to be the main culprit.
In this study, scientists from Georgia Tech, the Chinese Academy of Sciences and Columbia University expanded on previous research by combining observational data and model simulations to explore the link between unusually large snowfall amounts in the Northern Hemisphere in recent winters and diminishing Arctic sea ice.
Dr. Ringot, an Antarctic and Greenland specialist and coauthor on Hansen's recent paper on sea level rise, claimed that their data indicated that the West Antarctic Ice Sheet alone would melt in decades to centuries with a sea level rise of at least 10 feet.
Chip — As far as I can tell from Recent NSIDC Data, the models appear to have overestimated rather than underestimated sea ice decline, since recent September value exceed 4 million square kilomRecent NSIDC Data, the models appear to have overestimated rather than underestimated sea ice decline, since recent September value exceed 4 million square kilomrecent September value exceed 4 million square kilometers.
You are right in writing that the most recent years (since 2007) show a net gain in Arctic sea ice, using end - August data, 2007 - 2011.
When sceptics look at statistical data, whether it is recent ice melt, deep sea temperatures, current trend in global surface temperatures, troposphere temperatures, ice core records etc. they look at the data as it is without any pre-conceptions and describe what it says.
«Recent indirect data and direct measurements from ice cores point towards a lsquopre - industrialrsquo CO2 level of around 260 — 270 ppmv, considerably below the commonly assumed value of 290 ppmv.
All that is required is to take, as a working hypothesis the fairly small and reasonable step of accepting that the recent peak was also a peak in the 1000 year cycle This periodicity seen in seen in the temperature proxy and ice core data data in Figs 3 and 4 in the last post at http://climatesense-norpag.blogspot.com This post also contains a forecast of the timing and extent of the coming cooling.
A wealth of historical imagery exists for Greenland, and scientists could use this data to develop even more detailed histories of the ice sheet, and to determine whether the Greenland Ice Sheet was at equilibrium — not losing or gaining mass — in recent timice sheet, and to determine whether the Greenland Ice Sheet was at equilibrium — not losing or gaining mass — in recent timIce Sheet was at equilibrium — not losing or gaining mass — in recent times.
There are, however, caveats: (1) multidecadal fluctuations in Arctic — subarctic climate and sea ice appear most pronounced in the Atlantic sector, such that the pan-Arctic signal may be substantially smaller [e.g., Polyakov et al., 2003; Mahajan et al., 2011]; (2) the sea - ice records synthesized here represent primarily the cold season (winter — spring), whereas the satellite record clearly shows losses primarily in summer, suggesting that other processes and feedback are important; (3) observations show that while recent sea - ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice appear most pronounced in the Atlantic sector, such that the pan-Arctic signal may be substantially smaller [e.g., Polyakov et al., 2003; Mahajan et al., 2011]; (2) the sea - ice records synthesized here represent primarily the cold season (winter — spring), whereas the satellite record clearly shows losses primarily in summer, suggesting that other processes and feedback are important; (3) observations show that while recent sea - ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice records synthesized here represent primarily the cold season (winter — spring), whereas the satellite record clearly shows losses primarily in summer, suggesting that other processes and feedback are important; (3) observations show that while recent sea - ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice losses in winter are most pronounced in the Greenland and Barents Seas, the largest reductions in summer are remote from the Atlantic, e.g., Beaufort, Chukchi, and Siberian seas (National Snow and Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200Ice Data Center, 2012, http://nsidc.org/Arcticseaicenews/); and (4) the recent reductions in sea ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 200ice should not be considered merely the latest in a sequence of AMOrelated multidecadal fluctuations but rather the first one to be superposed upon an anthropogenic GHG warming background signal that is emerging strongly in the Arctic [Kaufmann et al., 2009; Serreze et al., 2009].
As far as the correlation between GHGs and temperature goes, recent history already passes his r2 > 0.5 test with flying colours - the Mauna Loa CO2 data vs GISTEMP from 1961 - 2004 gets r2 = 0.76, and I'm sure that the Vostok ice core data must be in the same ballpark over ~ 400,000 years or more (a quick google finds multiple references to the strong correlation but no hard numbers and I can't be bothered doing it myself).
Can't find a recent item on arctic sea ice but hoped it might be worth pointing out Peng et al Sensitivity Analysis of Arctic Sea Ice Extent Trends and Statistical Projections Using Satellite Data http://www.mdpi.com/2072-4292/10/2/230/htm «The most persistently probable curve - fit model from all the methods examined appears to be Gompertz, even if it is not the best of the subset for all analyzed perioice but hoped it might be worth pointing out Peng et al Sensitivity Analysis of Arctic Sea Ice Extent Trends and Statistical Projections Using Satellite Data http://www.mdpi.com/2072-4292/10/2/230/htm «The most persistently probable curve - fit model from all the methods examined appears to be Gompertz, even if it is not the best of the subset for all analyzed perioIce Extent Trends and Statistical Projections Using Satellite Data http://www.mdpi.com/2072-4292/10/2/230/htm «The most persistently probable curve - fit model from all the methods examined appears to be Gompertz, even if it is not the best of the subset for all analyzed periods.
The ensemble consists of seven members each of which uses a unique set of NCEP / NCAR atmospheric forcing fields from recent years, representing recent climate, such that ensemble member 1 uses 2005 NCEP / NCAR forcing, member 2 uses 2006 forcing..., and member 7 uses 2011 forcing... In addition, the recently available IceBridge and helicopter - based electromagnetic (HEM) ice thickness quicklook data are assimilated into the initial 12 - category sea ice thickness distribution fields in order to improve the initial conditions for the predictions.
* Comparing ice core carbon dioxide with recent atmospheric data (page 3).
We also show a recent «climatology» value calculated using mean daily sea ice concentrations for the period 2003 - 2012 from the National Snow and Ice Data Center (NSIDC), and the IFD values so far in 2014 (up to day 23ice concentrations for the period 2003 - 2012 from the National Snow and Ice Data Center (NSIDC), and the IFD values so far in 2014 (up to day 23Ice Data Center (NSIDC), and the IFD values so far in 2014 (up to day 231).
The «hiding the decline» refers neither to Little Ice Age (as the Spiked Online version says) nor the recent pause in the upward trend of temperatures, but rather the pasting of current temperature data onto some rather dubious proxy data to continue the hockey stick pattern through the 20th century.
An additional source of data for the first half of the 20th century is the recent digitization of the Norwegian Polar Institute's sea - ice charts by T. Vinje and R. Colony (Vinje, 1999).
Thus the data from 2012 and recent estimates of thinning sea ice appear to have an impact in lowering Outlook estimates.
The most recent data from ice mass balance buoys in Storfjroden, Svalbard and on iceberg - fast ice in Fram Strait show that the melt season has started.
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.
Apparently, since data such as the all time record HIGH Antarctic sea ice, advancing Arctic sea ice, slowing to non existent GMSL at less than 2 / mm annual (and negative in some recent years), flat to lower global temps for almost 2 decades, and all the myriads of other associated data... flatly, empirically, REFUTE this cadre of AGW grant leaching con artists pretending to do science with grossly false models....
Meanwhile, up in the Arctic, distressing new information from the US National Snow and Ice Data Center in Boulder, Colorado, shows that Arctic sea ice extent has settled to its fourth - lowest level ever measured at the end of the most recent melt seasIce Data Center in Boulder, Colorado, shows that Arctic sea ice extent has settled to its fourth - lowest level ever measured at the end of the most recent melt seasice extent has settled to its fourth - lowest level ever measured at the end of the most recent melt season.
«Second, in contrast to the previously reported slowing in the rate during the past two decades1, our corrected GMSL data set indicates an acceleration in sea - level rise (independent of the VLM used), which is of opposite sign to previous estimates and comparable to the accelerated loss of ice from Greenland and to recent projections, and larger than the twentieth - century acceleration.
Comparing ice core carbon dioxide with recent atmospheric data..».
Researchers have finally found an answer to a question they have been asking for years: Recent data and satellite information have indicated what has been driving the rapid loss of ice in Western Antarctica.