Sentences with phrase «ice data suggest»

Qualitatively, the June and early July sea ice data suggest a «bimodal» Outlook.

«The combined sea ice data suggest that the seasonal Arctic sea ice cover was strongly reduced during most of the early Holocene and there appear to have been periods of ice free summers in the central Arctic Ocean.»

«The combined sea ice data suggest that the seasonal Arctic sea ice cover was strongly reduced during most of the early Holocene and there appear to have been periods of ice free summers in the central Arctic Ocean.

Not exact matches

Ice deformation data from NASA's ICEsat, which indicates subglacial water movement, suggest that the lake has completely filled and drained twice since data - taking began in 2003.

The iconic Arctic animals can't reduce their energy output enough to compensate when summer ice melt diminishes their food supply, new data suggest.

«They suggest that even if the ice declined a large amount in one year, it should bounce back,» says Walt Meier of the US National Snow and Ice Data Center in Boulder, Coloraice declined a large amount in one year, it should bounce back,» says Walt Meier of the US National Snow and Ice Data Center in Boulder, ColoraIce Data Center in Boulder, Colorado.

Their field - based data also suggest that during major climate cool - downs in the past several million years, the ice sheet expanded into previously ice - free areas, «showing that the ice sheet in East Greenland responds to and tracks global climate change,» Bierman says.

In 2006, satellite data suggested the ice sheet was disappearing three times faster than previously thought.

The findings back up a body of data suggesting that «the effects of global [warming] will be seen first, and will be most pronounced, in the arctic region,» says Mark Serreze, an arctic climatologist at the National Snow and Ice Data Center in Boulder, Colordata suggesting that «the effects of global [warming] will be seen first, and will be most pronounced, in the arctic region,» says Mark Serreze, an arctic climatologist at the National Snow and Ice Data Center in Boulder, ColorData Center in Boulder, Colorado.

After astronomers analyzed seven years» worth of Enceladus data from NASA's Cassini probe, they detected a slight rocking motion in the moon's rotation, suggesting an outer shell of ice.

Analyzing the data from 1979 to 2014, the researchers found the solar heat input through open water surfaces correlated well with ice melt volume, suggesting heat input is a major causative factor of melting ice.

Data collected by ship and model simulations suggest that increased Pacific Winter Water (PWW), driven by circulation patterns and retreating sea ice in the summer season, is primarily responsible for this OA expansion, according to Di Qi, the paper's lead author and a doctoral student of Liqi Chen, the lead PI in China.

Data suggest that although the ice - rich rings have only 15 % of Chariklo's surface area, they reflect almost three times as much light on an area - to - area comparison.

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.

Ambrose also cites Greenland ice core data that suggest sulfur stuck around in the atmosphere longer than just a few years and that Earth had already entered a cold snap.

Data suggest a web of lake organisms might thrive deep under ice; scientists struggle to make sense of the new report

The authors of a new study reviewing the volume data, detailed on Monday in the journal Nature Geoscience, are quick to caution, though, that one single year of rebound doesn't suggest any sea ice recovery, as the overall trend is still downward.

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

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.

The data (back to 1979) suggest that snow cover has not been declining at the rate of sea ice and this study could be an explanation of that.

There are also plenty of examples where models have correctly suggested that different data sets were inconsistent (satellite vs. surface in the 1990s, tropical ice age ocean temperatures vs. land temperatures in the 1980s etc.) which were resolved in favor of the models.

Which is not surprising, given that the ice core data suggest that this feedback only sets in with a delay of hundreds of years after the warming starts.

The age data also suggest that the old ice is closer to shore along the Alaskan coast than last year and also extends further into the Chukchi Sea.

The GRACE observations over Antarctica suggest a near - zero change due to combined ice and solid earth mass redistribution; the magnitude of our GIA correction is substantially smaller than previous models have suggested and hence we produce a systematically lower estimate of ice mass change from GRACE data: we estimate that Antarctica has lost 69 ± 18 Gigatonnes per year (Gt / yr) into the oceans over 2002 - 2010 — equivalent to +0.19 mm / yr globally - averaged sea level change, or about 6 % of the sea - level change during that period.

Ice core data suggest that the Greenland Summit region was ice - covered during this period, but reductions in the ice sheet extent are indicated in parts of southern GreenlaIce core data suggest that the Greenland Summit region was ice - covered during this period, but reductions in the ice sheet extent are indicated in parts of southern Greenlaice - covered during this period, but reductions in the ice sheet extent are indicated in parts of southern Greenlaice sheet extent are indicated in parts of southern Greenland.

Data on greenhouse gas abundances going back beyond a million years, that is, beyond the reach of antarctic ice cores, are still rather uncertain, but analysis of geological samples suggests that the warm ice - free periods coincide with high atmospheric CO2 levels.

fhhaynie For the empirical ice core and proxy temperature data on which the 1000 year cycle is based see Figs 6 and 7 in the latest post at http://climatesense-norpag.blogspot.com Interestingly Fig 6 also suggests that if you believe (which I obviously don't) that CO2 is the main climate driver - its long term effect is to cool the earth.

«We have to be cautious until our data has been properly analysed as part of a climate model, but this does suggest that the Arctic might be ice - free in summer for a day at least by the end of the decade,» Laxon told BBC News.

Additionally, unadjusted GRACE gravity data has suggested no lost ice mass and all estimates of ice gains or loss depend on which Glacial Isostatic Adjustments modelers choose to use.

Given (1), the question is, is there any recorded data in these graphs that even suggest there is an excessive ice loss, whether man - made or natural, and the answer must be a resounding «NO»!

* An exponential fit hindcasts absurdly, namely to zero when the ice core data from Vostok etc. would suggest 280 - 290 as a more reasonable hindcasting target.

In its end of February report, the US National Snow and Ice Data Center (NSIDC) noted that Barents Sea ice was below average for this time of year (see Fig. 1 above, and Fig. 5 below) but suggested this was primarily due to natural variation driven by the Atlantic Multidecadal Oscillation (AMIce Data Center (NSIDC) noted that Barents Sea ice was below average for this time of year (see Fig. 1 above, and Fig. 5 below) but suggested this was primarily due to natural variation driven by the Atlantic Multidecadal Oscillation (AMice was below average for this time of year (see Fig. 1 above, and Fig. 5 below) but suggested this was primarily due to natural variation driven by the Atlantic Multidecadal Oscillation (AMO):

This is only suggested by ice - core paleoclimate data which is ultimately uncheckable by direct empirical observation.

The correlation between Greenland ice core data and solar flux, is also seen in Scandinavian tree ring data.15 Tree rings suggest the warmest decade in the past 2000 years, happened during the warm spike of the Roman Warm Period between 27 and 56 AD.

http://www.bbc.com/news/science-environment-25383373 Data from Europe's Cryosat spacecraft suggests there were almost 9,000 cu km of ice at the end of this year's melt season.

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].

Very few (1 - 2 points) of ice core C13 data (Francey tellus, 99) suggest that this drawdown was caused by additional terrestrial carbon storage (Joos et al, GRL, 99; Trudinger, Tellus, 99).

Data from ice core records strongly suggest that the prehistoric carbon dioxide changes were largely a response, not a cause, of temperature changes.

1) The attribution of Global Warming to CO2, is not through simple correlation with data from ice ages as suggested here.

In retrospect, most oceanographers and glaciologists find that estimate too low and say it fails to adequately take into account data suggesting that mountain glaciers and Greenland's continental ice will melt more quickly than initially predicted.....

Taken together, the data: 1) do not support the summer insolation hypothesis to explain Holocene glacier fluctuations in southernmost Patagonia; 2) confirm paleobotanical evidence for a warm, dry early Holocene; and 3) suggest that some glaciers in the region reached extents comparable to those of the Little Ice Age shortly before 5.29 e5.05 ka.

Arctic «sea ice extent has varied naturally over the decades with some Russian data suggesting similar or even greater ice loss in some local areas in the 1930s» — Analysis of Arctic ice: «Russian data shows that the [Arctic] ice was just as thin in 1940 as it is now.

Other in situ and satellite data suggest that even though the seasonal ice cover was formed later in the fall of 2007, the mean thickness of first year ice cover is comparable to that of the previous two seasons because of lower snow accumulation and lower air temperatures and thus, faster growth.

What the new data suggests, Werner said, is that the Arctic Ocean will likely be free of sea ice during summer in the next few decades, which may trigger significant changes in climate across the globe.

Ice cores from there in 1966, and others from the Dye 3 site in southern Greenland in 1981, suggested some abrupt changes but various objections were raised to parts of the data.

... Real world data suggest substantial ice sheet and sea level change in centuries, not millennia.

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.

Greenland ice core data suggest that the Greenland ice sheet response to Eemian warmth was limited [91], but the fifth IPCC assessment [14] concludes that Greenland very likely contributed between 1.4 and 4.3 m to the higher sea level of the Eemian.

This is a 1995 analysis by Shell International B.V. scientist Peter Langcake of whether climate change was in fact underway and if, as some scientists were suggesting, a «signal» had been detected showing human influence on climate from temperature, weather, polar ice melt and other data.

I spent a week listening to 80 paleoclimatoligists and climate modelers argue about the interpretation of the data from ice and sediment cores, how it eliminated some proposed explanations for what was driving the changes in temperature and rainfall, and how it suggested other possible explanations.