Sentences with phrase «data about ice»

Except that all models anticipate an increase in the rate of sea level rise, and there's new data about ice melt that wasn't included in the IPCC models.

Can you provide data about ice volume versus area?

Nowadays, a common check is to see how the models check with historical records: ice core samples have given us enough data about the ice ages to be able to run the models in «ice age mode» — and they seem to agree very well with the data.

Now the trend may be going in the other direction with new data about ice sheets, although a lot more research is needed, he said.

Not exact matches

Lastly, FRED also includes a huge amount of archival data, including U.S. Ice cream production, which the Economist recently wrote about, and compared with industrial production.

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.

Security group calls U.S. unprepared for Arctic changes The analysis from the National Snow and Ice Data Center comes on the heels of several scientific and policy papers in the past week warning about the consequences of Arctic ice loIce Data Center comes on the heels of several scientific and policy papers in the past week warning about the consequences of Arctic ice loice loss.

So far, the Ohio State team has finished processing images from about one quarter of the Greenland Ice Sheet, representing a tiny portion of the data already stored at Minnesota, and about one year's worth of work and computing for the research team.

The first decade showed little change, but starting around 1996, the data show that due to darkening, the ice began absorbing about 2 percent more solar radiation per decade.

These data were used to quantify changes in the ice cover's composition, revealing a substantial reduction of about 14 percent in the area of multiyear ice in winter during the period from 1978 to 1998.

While Arrhenius appears to have been wrong about the temperature effect on the Antarctic, scientists today have found strong evidence for what they now call Arctic amplification in the North Pole, said Mark Serreze, the director of the National Snow and Ice Data Center at the University of Colorado, Boulder.

Satellites from NASA and other agencies have been tracking sea ice changes since 1979, and the data show that Arctic sea ice has been shrinking at an average rate of about 20,500 square miles (53,100 square kilometers) per year over the 1979 - 2015 period.

The scientists made this projection after evaluating current satellite data about the thickness of the ice cover.

Director of the National Snow and Ice Data Center at the University of Colorado at Boulder, Serreze spoke to DISCOVER about the future of the place he loves.

The more data scientists can gather about Antarctic sea ice, the more they can unpick why climate models struggle to accurately predict its extent.

The present data suggest that the ice is in the form of small crystals, comprising about 0.3 percent to 1 percent of the moon's rocky soil.

Patrick Crill, an American biogeochemist at Stockholm University, says ice core data from the past 800,000 years, covering about eight glacial and interglacial cycles, show atmospheric methane concentrations between 350 and 800 parts per billion in glacial and interglacial periods, respectively.

«Radar data from NASA's Operation Ice Bridge program has told us a lot about the shape of Thwaites Glacier, but it's very difficult to see how water is moving.

Despite being trumpeted in certain circles as meaning that there's really nothing to worry about regarding the Greenland ice sheet, the authors made a point of noting (although not in this press release) that an additional source of mass loss needs to be identified in order to reconcile their results with the GRACE data (which do not show a reduction in mass loss for the same period).

From at least Lorius et al (1991)-- when we first had reasonable estimates of the greenhouse gases from the ice cores, to an upcoming paper by Schneider von Deimling et al, where they test a multi-model ensemble (1000 members) against LGM data to conclude that models with sensitivities greater than about 4.3 ºC can't match the data.

The warmth made daily sea ice extents average about 232,000 square miles smaller than during any May in the 38 years scientists have been gathering data using satellites.

Thus, Thompson's observation about the retreat of the Quelccaya ice cap would be interesting, but not that important, if it was the only data point we had.

As part of my PhD dissertation, I'm going to use POLENET data in order to infer details about the crust and mantle below the ice in West Antarctica.

It is important to regard the LGM studies as just one set of points in the cloud yielded by other climate sensitivity estimates, but the LGM has been a frequent target because it was a period for which there is a lot of data from varied sources, climate was significantly different from today, and we have considerable information about the important drivers — like CO2, CH4, ice sheet extent, vegetation changes etc..

The endeavor becomes more scientifically challenging in light of the large variety of information sources about past climate, including tree rings, coral, glacier ice, and marine and lake sediments, not to mention the complicated array of data that are used to establish the timelines that underlie the paleoclimate records.

The ice core data suggest that Svalbard's climate was about as mild in the 1300s as it is today.

Data from the study found that 74 percent of single Americans believe small talk is worthwhile because it helps break the ice and provides basic information about a potential date.

When asked about the topic, Dr. David Dycus, a board - certified veterinary surgeon in Chattanooga, TN responded, «Interestingly, this (internet myth) has been circulating around since 2007... there is no published data in a veterinary journal with a large impact factor that shows that giving dogs ice or ice water causes muscles to cramp.

It may be that ice records are the only sources of paleoclimate data he knows about.

Amidst the continuous chatter in the blogosphere about the strengths and limitations about «multiproxy» studies, these studies may be a refreshing return to simpler methods relying on just one type of «proxy»: data from ice cores.

I guess I would say that the longest term extrapolation is about 30 years for the September sea ice behavior, about as long as the data set.

Less is known about southwest Greenland glaciers due to a lack of ice thickness data but the glaciers have accelerated there as well and are likely to be strongly out of balance despite thickening of the interior.

Mike's work, like that of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measurements).

An uncertainty in some ice core results is somehow «translated» into a statement about current CO2 emissions data in the 20th and 21st centuries (which can be measured precisely).

On July 23, I wrote about the rocky rollout, prior to peer review, of «Ice Melt, Sea Level Rise and Superstorms: Evidence from Paleoclimate Data, Climate Modeling, and Modern Observations that 2 °C Global Warming is Highly Dangerous.»

The National Snow and Ice Data Center has inaugurated a useful new Web feature, Icelights, that offers the public a two - way portal for addressing questions about the behavior of sea ice and ice sheets and their relationship to the world far from the polIce Data Center has inaugurated a useful new Web feature, Icelights, that offers the public a two - way portal for addressing questions about the behavior of sea ice and ice sheets and their relationship to the world far from the police and ice sheets and their relationship to the world far from the police sheets and their relationship to the world far from the poles.

I would also add that the «prediction» made by # 11 about what a D - O event would look like is based on the Greenland ice core records, and the picture of «abrupt warming / slow cooling» picture comes from the data on millennial timescales.

Thus, Thompson's observation about the retreat of the Quelccaya ice cap would be interesting, but not that important, if it was the only data point we had.

In our paper, based on data from Jason Box from the Geologic Survey of Denmark and Greenland, we estimated that the Greenland ice sheet has already come out of equilibrium since the beginning of the 20th century and has since added about 13,000 cubic kilometers of meltwater to the ocean.

An example is included in the materials presented by the so - called «Arctic Methane Emergency Group» [AMEG] who show extrapolations of PIOMAS data and warn about the potential of a seasonally ice - free Arctic ocean in just a few years.»

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.

Now I know this is a stupid argument anyway («a 30 % increase in human CO2 and a corresponding rise in temperature are not linked, because we don't know that it can't happen naturally») but I was wondering if he was at least right about the ice core data.

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.

If we do that, the increase in atmospheric CO2 from 320 to 390 parts per million since 1850 is only about half as much (22 %) as the cherry - picking IPCC has told us, based solely on ice - core data....

Abstract: «Comparison of sea - ice draft data acquired on submarine cruises between 1993 and 1997 with similar data acquired between 1958 and 1976 indicates that the mean ice draft at the end of the melt season has decreased by about 1.3 m in most of the deep water portion of the Arctic Ocean, from 3.1 m in 1958 — 1976 to 1.8 m in the 1990s...»

I differ with you about Greenand ice core data being a local proxy only.

Dr Hansen told CNN: «In the paleoclimate data, the Cenozoic data is the most alarming — burning all the fossil fuels clearly would send the planet back to the ice - free state with sea level about 250 feet higher.»

Sea ice maps from the National Snow and Ice Data Center (NSIDC) tell most of the story about what the media were, and were not, told about summer sea ice in the Southern Beaufort between 2001 and 20ice maps from the National Snow and Ice Data Center (NSIDC) tell most of the story about what the media were, and were not, told about summer sea ice in the Southern Beaufort between 2001 and 20Ice Data Center (NSIDC) tell most of the story about what the media were, and were not, told about summer sea ice in the Southern Beaufort between 2001 and 20ice in the Southern Beaufort between 2001 and 2013.

Marcott's data indicates that it took 4,000 years for the world to warm about 1.25 degrees from the end of the ice age to about 7,000 years ago.