Sentences with phrase «ice area data»

However, I want to call your attention to the underlying structure of the the ice area data.

[3] An implementation of the diff - of - gaussian filter is presented here: https://climategrog.wordpress.com/2016/09/18/diff-of-gaussian-filter/ [4] The sea - ice area data used in the decadal trend analysis are provided by Cryosphere Today team at U. Illinois.

Not exact matches

«The fact that now a large, ice - free area can be observed in the Weddell Sea confirms our theory and gives us another data point for further model studies,» says Dr. Martin.

Overland recently co-authored a study predicting an ice - free Arctic summer in the first half of this century and said he will soon be releasing additional data projecting that an area 100 miles north of Alaska will witness open water five months out of the year by 2030, as opposed to the current two months.

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.

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.

«We analysed the satellite data to determine how far the ice in that particular area has travelled,» says AWI biologist and co-author of the study, Hauke Flores.

An image of an area of the Arctic sea ice pack well north of Alaska, captured by the MODIS instrument on NASA's Aqua satellite on Sept. 13, 2013, the day before the National Snow and Ice Data Center estimated Arctic sea ice to have reached its minimum extent for the yeice pack well north of Alaska, captured by the MODIS instrument on NASA's Aqua satellite on Sept. 13, 2013, the day before the National Snow and Ice Data Center estimated Arctic sea ice to have reached its minimum extent for the yeIce Data Center estimated Arctic sea ice to have reached its minimum extent for the yeice to have reached its minimum extent for the year.

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 trends revealed by the data were clear: The average albedo in the northern area of the Arctic Ocean, including open water and sea ice, is declining in all summer months (May - August).

Satellite data show that the annual minimum for Arctic sea ice area fell 7 percent per decade between 1980 and 2000 — but since 2000 it has fallen 14 percent per decade.

The problem with those measurements, Morlighem said, is that they were scattered, and the data were limited to areas where there were flights over the ice sheet.

Previous research estimated that it covered much of western Canada as late as 12,500 years ago, but new data shows that large areas in the region were ice - free as early as 1,500 years earlier.

New data indicate that substantial areas throughout westernmost Canada were ice free prior to 12.5 ka and some as early as 14.0 ka, with implications for climate dynamics and the timing of meltwater discharge to the Pacific and Arctic oceans.

The extent of global sea ice coverage reached its smallest area ever recorded in 2016, new data show.

For example, few data are available for the polar winter, and it is not known whether aragonite - undersaturated areas decrease in size with the seasonal freezing of sea ice.

Conservative tracer studies using stable oxygen isotopic data from 307 sites show that while the entire surface of this area receives abundant freshwater from meteoric sources, freshwater from sea ice melt is most closely linked to the areas of carbonate mineral undersaturation.

In addition to gaining an intimate understanding of life formerly under the ice, the data will serve as a baseline to see how the area changes as sunlight and open water alters the chemistry and new species migrate in.

The data presented here indicate that the area of undersaturation presently extends to approximately 20 % of the Canadian Basin in the late summer months, when sea ice is near its minimum extent.

These data link the Arctic Ocean's largest area of aragonite undersaturation to sea ice melt and atmospheric CO2 absorption in areas of low buffering capacity.

Although you really can't check this assertion since the data is not really available anywhere — the Cryosphere has some charts of sea ice area but where are the numbers — where are the sea ice extent numbers.

What makes the ice - out data a good metric is that it arguably has less bias with respect to urban areas that temperature stations.

I know many people are touting the PIOMAS data, but the sea ice minimum area is still more than half what it was 30 years ago.

Instead, a rather casual article in the Independent showed the latest thickness data and that quoted Mark Serreze as saying that the area around the North Pole had 50/50 odds of being completely ice free this summer, has taken off across the media.

``... sea ice concentration (SIC) data * of AMSR - E standard products are used for area calculation.

Remote sensing data shows that the area covered by ice lakes within the Qomolangma National Nature Reserve in Tibet increased to 114 square kilometres in 2013, up from 100 square kilometres in 1990.

In May 2007, a team of scientists from NASA and the University of Colorado reported satellite data showing widespread snow - melt on the interior of the Antarctic ice sheet over an area the size of California.

Is anyone collecting real time data in the area where the ice cores were taken?

We need further field data from key areas of East Antarctica to reject some of the ice model scenarios — although there are fewer rock outcrops to sample geologically and geodetically in this region there are still large regions where outcrops exist but no, or few, data have been collected and / or results have been published.

The next year, Rignot and Mouginot published another comprehensive, high - resolution map of Greenland based in radar interferometry data from 2008 and 2009 showing that Greenland's 100 fastest glaciers drain 66 percent of the ice sheet area, and marine - terminating glaciers drain 88 percent of the ice sheet area (Rignot and Mouginot 2012).

The European Space Agency's CryoSat - 2 mission has enhanced Antarctic ice sheet monitoring by including areas closer to the poles than earlier satellites, and by acquiring better data in moderately sloping areas, including ice sheet margins where most of the ice loss occurs.

It's easy to get daily up - to - date data on arctic ice extent from JAXA, and on arctic ice area from cryosphere today.

The plan was to make ground observations that could link to the satellite data showing unexpectedly pronounced ice loss from the area.

As reported on Cryosphere Today based on NSIDC data, sea ice area today is 2.92 million square kilometres.

Historically, NSIDC scientists have handled the data gap over the North Pole by assuming it was ice - filled, and adding that area to the extent observed outside the data gap.

The product covers the sea and ice areas polewards of latitudes 50N and 50S with 3 - minute data segments in Level 2, with data processed and archived continuously throughout the day, as they become available (approximately 110 3 - minute segments per day per hemisphere).

Can you provide data about ice volume versus area?

Canada said that in the Arctic it faced the challenge of collecting data in areas that are ice - covered, difficult to access and that, in some instances, had not previously been surveyed.

The Canadian Hydrographic Service and the Geological Survey of Canada have collected a great deal of data in areas that are ice - covered, difficult to access, and that in some instances had not previously been surveyed.

They applied a new method that fills in missing temperatures over sea ice by combining satellite data for missing areas with a method known as «kriging,» which calculates missing data by checking nearby temperature station readings.

To my readers, Anthony Watts received a comment from our friend Tamino on the ice data I used for the area analysis.

The difference is due to University of Bremen's analysis of data from the newer AMSR - E sensor, which has a higher resolution and shows areas of open water that are classified as ice - covered by the lower - resolution sensor that NSIDC relies on.

Werner's observation follows the announcement in September by the National Snow and Ice Data Center that the surface area of Arctic sea ice had reached a new low in 2012, breaking a previous record reached in 20Ice Data Center that the surface area of Arctic sea ice had reached a new low in 2012, breaking a previous record reached in 20ice had reached a new low in 2012, breaking a previous record reached in 2007.

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.

In September 2008, the sea ice area minimum was less than 5 % larger than the September 2007 sea ice area minimum as derived from AMSR - E 89 GHz data.

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.

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).

The area of the Arctic Ocean covered by some sea ice was at a record low for the month of October, according to data from the National Snow and Ice Data Center (NSIDice was at a record low for the month of October, according to data from the National Snow and Ice Data Center (NSIdata from the National Snow and Ice Data Center (NSIDIce Data Center (NSIData Center (NSIDC).

Science: satellite data showing Arctic sea ice between 1979 and The white area shows a moving average of Arctic sea ice between 2003 and The darker blue surrounding the white area is the moving average for the sea ice between 1979 and Between 1979 and 2005, average Arctic sea ice dropped 20 % — a loss in area about the size of the U.S. state of Texas.

Monthly anomalies of Southern Hemisphere sea ice extent (left panel) and area (right panel) derived using the newly enhanced SB2 data (black) of Comiso et al. and the older SBA data (red) prior to the enhancements made by Comiso et al..