Sentences with phrase «average thickness»

A spokesperson claimed that between 630 - 6,300 gallons of oil leaked; our conservative estimate, based on the size of the slick and an assumed average thickness of 1 micron, show this to be at least 6,843 gallons.

There also appears to be a strong correlation between the area of multiyear ice and the spatially averaged thickness of the perennial ice pack, which suggests that the satellite - derived areal decreases represent substantial rather than only peripheral changes.

TEXTURE: The sheet mask on the Mediheal W.H.P White Hydrating Black Mask Ex is not as thin as the Tea Tree sheet mask above, it's just average thickness.

The minimum average thickness loss over the past three years is 2.00 meters.

Most real estate files average thicknesses from one to three inches of paper.

The extinction at the end of the Permian is thought to have been caused by volcanic eruptions in Siberia over hundreds of thousands if not a million years that produced what are known today as the Siberian Traps: lava fields covering much of northern Russia and originally encompassing nearly 3 million square miles with an average thickness of about 1,000 feet.

• From 1976 to 1999 the average thickness of ice in the Arctic Ocean had dropped 43 percent.

Ozone concentrations are measured in Dobson Units (DU); the average thickness of the ozone layer is about 300 DU, or some 3 millimeters (the height of two pennies stacked together).

The first results from the GRAIL gravity - mapping mission suggest that the crust's average thickness is only 30 kilometers, not twice that as Apollo seismometers estimated

With a volume of more than 700,000 cubic miles and an average thickness of 4,000 feet, the West Antarctic Ice Sheet (WAIS) holds enough water to raise sea levels by 15 to 20 feet — and it is already sweating off 130 billion tons of ice per year.

The presence of this rock at a site indicates either that material has pushed up through Earth's crust from the mantle (a silicate rocky shell between the crust and the core with an average thickness of 2,886 km and depths ranging from 30 km to almost 3,000 km below the crust) or that a celestial body (a comet, meteor or meteorite) fell there.

Rising polar temperatures caused the average thickness of winter Arctic sea ice to decrease from about 12 feet to 6 feet between 1978 and 2008, and thinner ice melts more readily.

Results showed that the film had an average thickness of 90 nanometers.

With an average thickness of 625 feet, the iceberg will contain 277 cubic miles of ice.

We dig deep to learn more — at least a tenth of an inch (average thickness).

The average thickness of the sea ice over the entire north polar ice cap is only a few meters!

Still more striking, and significant, has been a severe decline in the average thickness of the ice pack, and thus of its volume (graph).

The average thickness of the several points is taken to be the accumulation layer thickness at that location.

The resulting 4.2 m loss in water equivalant thickness is significant, since North Cascade glaciers have an average thickness of 30 - 50 m.

So what's a tiny bit of floating ice against the amount of ice the size of South America at an average thickness of 8,000 ′?

Additionally, the ozone layer is blocking more cancer - causing radiation than any time in a decade because its average thickness has increased, according to a 2006 United Nations report.

Now, with JAXA sea ice extent being quite low for the time of year, and PIOMAS sea ice volume stalling a bit, average thickness will inevitably go up (which you get if you divide PIOMAS volume by JAXA extent, resulting in PIJAMAS):

[Gallery: Vanishing Glaciers] «The average thickness of the Arctic sea ice cover is declining because it is rapidly losing its thick component, the multi-year ice.

Urban areas, for example, cover 3.7 million square kilometres, to an average thickness of two metres, with a mass of more than 11 trillion tonnes.

The time constants of albedo feedback from melting N America snow cover are shorter than the albedo feedback from melting Arctic sea ice, and the sea ice is changing response as its average thickness decreases, and the ratios of 1, 2, 3, 4, 5 year ice area changes.

The research, reported in Geophysical Research Letters, showed that last winter the average thickness of sea ice over the whole Arctic fell by 26 cm (10 %) compared with the average thickness of the previous five winters, but sea ice in the western Arctic lost around 49 cm of thickness.

Last winter the average thickness of sea ice over the whole Arctic fell by 26 cm (10 %) compared with the average thickness of the previous five winters, but sea ice in the western Arctic lost around 49 cm of thickness.