Sentences with phrase «for sea ice volume»

PS: for Sea Ice Volume history from 1948 to 2004 clearly showing the 60 - year Cycle, see http://psc.apl.washington.edu/zhang/IDAO/retro.html#NAO [ignore the mid-1960's Ice peak — it is from 3 volcanos]

The maximum for sea ice volume was reached during April.

Right now, the trend for sea ice volume is down.

Not exact matches

«The autumn volume of the sea ice (as opposed to the extent) is still close to its minimum record,» Robert Meisner, spokesman for European Space Agency, said yesterday.

The melting of a rather small ice volume on East Antarctica's shore could trigger a persistent ice discharge into the ocean, resulting in unstoppable sea - level rise for thousands of years to come.

In a study published in the actual volume of Nature Communications, geo - and climate researchers at the Alfred - Wegener Institute, Helmholtz Centre for Polar - and Marine Research (AWI) show that, in the course of our planet's history, summertime sea ice was to be found in the central Arctic in periods characterised by higher global temperatures — but less CO2 — than today.

But the large volumes of data on Arctic sea and land ice that IceBridge has collected during its nine years of operations there have also enabled scientific discoveries ranging from the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed to improvements in snowfall accumulation models for all of Greenlaice that IceBridge has collected during its nine years of operations there have also enabled scientific discoveries ranging from the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed to improvements in snowfall accumulation models for all of GreenlaIce Sheet are thawed to improvements in snowfall accumulation models for all of Greenland.

To understand sea - level change means understanding not only the transfer of land ice into the ocean, but also, for example, how the gravitational field of the Earth changes as inconceivably large water volumes shift around the planet.

Anderson, J.B., Shipp, S.S., Bartek, L.R., and Reid, D.E., 1992, Evidence for a grounded ice sheet on the Ross Sea continental shelf during the late Pleistocene and preliminary paleodrainage reconstruction: in Elliot, D.H. ed., Contributions to Antarctic Research III, Antarctic Research Series, Volume 57, American Geophysical Union, Washington, D.C., p. 39 - 62.

According to the latest Piomas data, a combination of the smallest sea ice extent and the second - thinnest ice cover on record puts total volume of sea ice in November 2016 at a record low for this time of year.

The volume of sea ice left at the end of the summer melt season seems to vary more from year to year than had perhaps been previously appreciated; after declining for several years, sea ice volume shot up after the unusually cool summer of 2013, the data revealed.

Writing in Nature Climate Change, two scientists from the Potsdam Institute for Climate Impact Research (PIK) say the melting of quite a small volume of ice on the East Antarctic shore could ultimately trigger a discharge of ice into the ocean which would result in unstoppable sea - level rise for thousands of years ahead.

Global warming induced by increasing CO2 will cause ice to melt and hence sea level to rise as the global volume of ice moves toward the quasi-equilibrium amount that exists for a given global temperature [53].

Meanwhile, in the Arctic, sea ice volume is at a record low for the time of year according to PIOMAS.

So does it make sense to extrapolate sea ice volume for prediction?

And, the post looked at possibilities for future sea ice area and volume, but not for extent.

With error bars provided, we can use the PIOMAS ice volume time series as a proxy record for reality and compare it against sea - ice simulations in global climate models.

Since the volume of ice at risk under BAU is within a factor of two of the volume of ice at risk during a deglaciation under orbital forcing, while the forcing is much more rapidly applied under BAU, looking at sea level rise rates in the paleo - record might actually be considered a search for lower limits on what to expect if reticence did not run so strongly in our approach.

Whether or not this is the case for sea ice extent or volume is an open question.

Global climate model projections (in CMIP3 at least) appear to underestimate sea ice extent losses with respect to observations, though this is not universally true for all models and some of them actually have ensemble spreads that are compatible with PIOMAS ice volume estimates and satellite observations of sea ice extent.

Ice volume, the product of sea ice area and thickness, is a measure for the total loss in sea ice and the total amount of energy involved in melting the iIce volume, the product of sea ice area and thickness, is a measure for the total loss in sea ice and the total amount of energy involved in melting the iice area and thickness, is a measure for the total loss in sea ice and the total amount of energy involved in melting the iice and the total amount of energy involved in melting the iceice.

Hence, in summary, I find that volume and extent both matter for the healthiness of the sea ice.

Either the OP is FOS, or we're likely in for a HUGE increase in sea ice volume for September.

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.

The main issue is that sea ice is fresher than sea water (has less salt), and since salty water is more dense (1028 kg / m3) than fresher water (1004 kg / m3 for 5 psu), the volume of sea water displaced by the ice is slightly less than the volume of the ice if it melted.

For instance, when the first working group's volume was released in 2007, researchers criticized it for failing to include in its sea - level projections the contributions from melting ice sheets in West Antarctica and GreenlaFor instance, when the first working group's volume was released in 2007, researchers criticized it for failing to include in its sea - level projections the contributions from melting ice sheets in West Antarctica and Greenlafor failing to include in its sea - level projections the contributions from melting ice sheets in West Antarctica and Greenland.

There has been a lot of discussion over the past few years on the use of sea ice volume as a better index than sea ice extent for use in Outlooks.

Klazes (Public), 3.6 (95 % confidence interval of + / - 0.9), Statistical September extent is predicted using an estimated minimum value of the PIOMAS arctic sea ice volume and a simple model for volume - extent relationship.

Using new data from CryoSat - 2 validated with in situ data, they generate estimates of ice volume for the winters of 2010/11 and 2011/12 and compare these data with current estimates from the University of Washington team of sea ice hindcasts (PIOMAS) and earlier (2003 — 8) estimates from the ICESat mission.

For example, let's say that evidence convinced me (in a way that I wasn't convinced previously) that all recent changes in land surface temperatures and sea surface temperatures and atmospheric temperatures and deep sea temperatures and sea ice extent and sea ice volume and sea ice density and moisture content in the air and cloud coverage and rainfall and measures of extreme weather were all directly tied to internal natural variability, and that I can now see that as the result of a statistical modeling of the trends as associated with natural phenomena.

They found that 2017 tied 2012 for the lowest measured Arctic sea ice volume on record, though 2012 remains the year with the lowest summer minimum volume.

- What percentage of Arctic sea ice loss / ice volume loss is attributable to warm currents entering, apparently for the first time, a decade or so ago into the Arctic?

Arctic sea ice volume, area, and extent have been in long - term decline for decades, and this decline has accelerated over the past 5 years.

7 December 2016... Carbon Brief (Contributed): Record low volume highlights exceptional year for Arctic sea ice

280 Though I can not find any literature on equatorial warming triggering reorganization for the D - O events, there are reports, for the glacial - interglacial transition, that Pacific sea surface temperatures warmed 3,000 years before changes in ice volumes.

The mean ice concentration anomaly for June 2013 is 0.9 x 106 square kilometers greater than June 2012, however Arctic sea ice thicknesses and volumes continue to remain the lowest on record.

«In fact, the September sea ice volume is already down 75 % with a trend to zero by September 2016, suggests that the Arctic is heading for complete meltdown, which would be a planetary catastrophe,» Ibid.

For example Arctic Sea Ice volume and extent has not dramatically declined this year as compared to the last few more recent years.

The PIOMAS Arctic sea ice volume numbers for January 2017 have just been published.

For everyone who did not monitor the Polar sat pictures, the regular Mid-April clouding over of most of the Arctic Ocean has happened, that was and is good news, it is a slow starter, but from a second lowest maximum volume, sea ice needs all the good news it can get, which will likely not come until mid June onwards, for a little whiFor everyone who did not monitor the Polar sat pictures, the regular Mid-April clouding over of most of the Arctic Ocean has happened, that was and is good news, it is a slow starter, but from a second lowest maximum volume, sea ice needs all the good news it can get, which will likely not come until mid June onwards, for a little whifor a little while.

All of these characteristics (except for the ocean temperature) have been used in SAR and TAR IPCC (Houghton et al. 1996; 2001) reports for model - data inter-comparison: we considered as tolerable the following intervals for the annual means of the following climate characteristics which encompass corresponding empirical estimates: global SAT 13.1 — 14.1 °C (Jones et al. 1999); area of sea ice in the Northern Hemisphere 6 — 14 mil km2 and in the Southern Hemisphere 6 — 18 mil km2 (Cavalieri et al. 2003); total precipitation rate 2.45 — 3.05 mm / day (Legates 1995); maximum Atlantic northward heat transport 0.5 — 1.5 PW (Ganachaud and Wunsch 2003); maximum of North Atlantic meridional overturning stream function 15 — 25 Sv (Talley et al. 2003), volume averaged ocean temperature 3 — 5 °C (Levitus 1982).

Tied for fourth lowest sea ice extent, in a three - way tie for lowest sea ice volume, the fastest one month sea ice loss for the date, and unusual Arctic cyclone activity affecting the decayed ice of the polar regions, focus just on the lake too trivializes what's happening in a region the size of the Arctic Ocean.

Maslowski's recent, peer - reviewed work (Maslowski W., Clement Kinney J., Higgins M., Roberts A. (2012) «The Future of Arctic Sea Ice», The Annual Review of Earth and Planetary Sciences, 40: 625 - 654) emphasizes «the need for detailed analyses of changes in sea ice thickness and volume to determine the actual rate of melt of Arctic sea ice&raquSea Ice», The Annual Review of Earth and Planetary Sciences, 40: 625 - 654) emphasizes «the need for detailed analyses of changes in sea ice thickness and volume to determine the actual rate of melt of Arctic sea ice&raquIce», The Annual Review of Earth and Planetary Sciences, 40: 625 - 654) emphasizes «the need for detailed analyses of changes in sea ice thickness and volume to determine the actual rate of melt of Arctic sea ice&raqusea ice thickness and volume to determine the actual rate of melt of Arctic sea ice&raquice thickness and volume to determine the actual rate of melt of Arctic sea ice&raqusea ice&raquice».

Global warming induced by increasing CO2 will cause ice to melt and hence sea level to rise as the global volume of ice moves toward the quasi-equilibrium amount that exists for a given global temperature [53].

Poitou & Bréon do not explain why the ice pack volume would be relevant for the albedo; according to Haas (2005)[47] the changes of the thickness of the sea ice are small since they are correctly measured by an airborne radio apparatus, only over the Arctic.

You can download the data here and see for yourself that according to PIOMAS as of end of September 2015 sea ice volume is 1087 km3 lower than 2014, and just 289 km3 higher than 2013, after having been 1223 km3 higher at the end of June.

If these really are the first data relating to the volume of ice available to science, then it really is far too early for researchers to be claiming to be able to put a date on the demise of summer Arctic sea ice.

To say nothing of the warming trends also noticed in, for example: * ocean heat content * wasting glaciers * Greenland and West Antarctic ice sheet mass loss * sea level rise due to all of the above * sea surface temperatures * borehole temperatures * troposphere warming (with stratosphere cooling) * Arctic sea ice reductions in volume and extent * permafrost thawing * ecosystem shifts involving plants, animals and insects

Reynolds (Public), 4.06 (3.49 - 4.63), Statistical / Heuristic Because the decline in extent is due to increasing ease with which open water can be revealed by declining volume, a simple method is used to predict September sea ice extent based on May sea ice volume for the Arctic Ocean from the PIOMAS model.

For example Japanese skeptic blogger Kirye of KiryeNet tweeted here: «From the standpoint of Arctic sea ice volume, the melt season hasn't started yet.»