Sentences with phrase «of ice thickness»

It is considered the first large - scale assessment of ice thickness in the area.

This represents a net loss of ice thickness exceeding 14 m or 20 - 40 % of their total volume since 1984 due to negative mass balances.

Computer models of ice thickness, and maps of sea ice age both indicated a much thinner ice pack at the end of winter.

The DM model has been validated using independent estimates of ice type from QuikSCAT (e.g., Nghiem et al. 2007) and in situ observations of ice thickness from submarines, electromagnetic sensors, etc. (e.g., Haas et al. 2008; Rigor 2005).

Scientists from the University of Erlangen - Nuremberg Institute of Geography and from the Laboratoire de Glaciologie et Gophysique de l'Environnement in Grenoble, France, used radar data from satellites such as ESA's Envisat and observations of ice thickness from airborne surveys in a complex model to demonstrate, for the first time, how the buttressing role of the ice shelves is being compromised as the shelves decline.

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.

Antarctica's ice shelves are shrinking at an accelerating rate, one of the longest satellite records of ice thickness reveals.

Johannes Fürst, a researcher at the University of Erlangen - Nuremberg's Institute of Geography in Germany, and colleagues report in Nature Climate Change that they analysed years of ice thickness data from European Space Agency satellites and airborne measurements.

A loss of 4.2 meters of ice thickness on glaciers with an estimated mean thickness of 30 - 50 meters (Post et al., 1971) is significant.

Ten to twenty centimeters of SLR will have the same effect on the grounding line as one to two meters of ice thickness reduction.

Published in Geophysical Research Letters, the results of research conducted at University College London found that: Some places Experienced 49 cm of Ice Thickness Loss

• Improve the atmospheric forcing of our advanced coupled ice - ocean model and the critically important estimates of the snow depth on sea ice through the use of the new NASA reanalysis data set MERRA and create a retrospective simulation of the ice thickness for 1979 to the present.

The melting is most pronounced for small glaciers at altitudes below 17,000 feet, he said, which have lost an average of 4.4 feet of ice thickness per year.

The campaign of 17 flights this season — wrapping up by the end of November — will cost $ 7 million but will offer one advantage over space - based observations: detailed measurements of ice thickness via radar.

Funded by the same European grant as the UK RAID and SUBGLACIOR drills, this radar survey will give a more comprehensive view of the ice thickness.

While bristling over the personal nature of Greenberg's attack, he insists that he is far from dogmatic on the issue of ice thickness.

«The observed glaciers currently lose between half a metre and one metre [1.6 feet and 3.2 feet] of its ice thickness every year — this is two to three times more than the corresponding average of the 20th century,» Michael Zemp, director of the University of Zurich's World Glacier Monitoring Service and lead author of the study, said, in a statement.

«Radar studies of ice thickness and surface features at the mouths of ice streams D and E, Antarctica,» Antarctic Journal of the United States, XXVII (5) p. 47 - 49.

The large uncertainties reflect the difficulties in estimating the global ice mass and its variability, because global monitoring of ice thickness is impossible (even the total area of glaciers is not exactly known) and extrapolation from local measurements is therefore necessary.

The military (the Navy) also played a key role in showing that global warming was real, by keeping nuclear submarine records of ice thickness under the Arctic Sea for decades (released in 1999).

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.

I got in touch with Notz over the weekend and he provided some added insights on other Arctic trends, including his assessment of the significance of ice thickness (which has also seen big declines in recent years) and the factors pointing to the influence of human - driven warming:

Further investigation of ice thickness and free ice drift conditions, in addition to persistence of SLP maxima, will provide further insight as to whether convergence (divergence) of sea ice associated with SLP highs (lows) will give rise to increased ice retreat in the Arctic and the Beaufort Sea region in particular.

That gives you a profile of ice thickness, and it is straightforward in principle to use it to calculate the ice volume — though in practice it remains an awful lot of numbers to crunch.

[2] Labe, Z.M., Y. Peings, and G. Magnusdottir (2018), Contributions of ice thickness to the atmospheric response from projected Arctic sea ice loss, accepted to GRL [Code][Plain Language Summary]

The new satellite altimeter systems such as ICESAT and CRYOSAT offer the possibility of ice thickness measurement from space.

The study uses reconstructions of ice accumulation, satellite and aircraft readings of ice thickness, and changes in elevation and ice velocity to determine how fast ice shelves melt and compare the mass lost with the amount released by the calving, or splitting, of icebergs.

By comparing measurements of ice thickness between 1958 and 1976 with data from 1993 and 1997, he determined that the thickness had decreased from 10.2 feet in the early period to 5.9 feet in the 1990's.

(To me it smells like a fraction of the ice thickness, but that is as far as my intuition takes me.)

The importance of the ice thickness field in controlling summer ice evolution has been well established, including by contributions to the Sea Ice Outlook in past years from ensemble simulations with coupled ice ocean models (Kauker et al., Zhang et al.).

Map of ice thickness based on airborne electromagnetic measurements from 31 March to 28 April 2011 by Alfred Wegener Institute and collaborators (top, PAMARCMIP data binned into 20 km cells).

May 2010 had less ice than May 2006, but similar distribution ratios of ice thickness - so the prediction was that the 2010 minimum would be lower than 2006 and higher than 2009.

(a) Ensemble prediction of September 2010 sea ice thickness; (b) ensemble standard deviation of ice thickness.

Our method uses estimates of ice thickness from a coupled ice - ocean model as predictors for a statistical forecast of the minimum ice extent in September.

One of the studies utilizing this data set has just been published: Lindsay, R., C. Haas, S. Hendricks, P. Hunkeler, N. Kurtz, J. Paden, B. Panzer, J. Sonntag, J. Yungel, and J. Zhang (2012), Seasonal forecasts of Arctic sea ice initialized with observations of ice thickness, Geophys.