Sentences with phrase «extent of the ice»

The animation of satellite data shows the physical extent of the ice cover for each of those minimum dates, ending with the record low.

Louis Agassiz identified the existence and extent of the ice sheets in Europe as early as 1837, but it wasn't generally accepted until the 1860s.

The yellow line shows the average extent of the ice pack (credit: NASA)

The rates and geographic extent of ice loss are «very surprising,» says radar altimetry expert Curt Davis of the University of Missouri, Kansas City.

However, if you were to update the graphic showing extent of ice, would it be possible to provide more geographical indications, for those of us who are not used to seeing the world from the poles.

To understand a puzzle that has been confounding scientists in recent years, researchers need to know not only the spatial extent of the ice, but also how thick it is, which is tricky to estimate from satellite data alone or from scant point measurements taken by drilling into ice floes.

The mean extent of the ice has been decreasing since 1980 from the average winter value of 15,600,000 km2 (6,023,200 sq mi) at a rate of 3 % per decade.

The orange line marks the median extent of the ice from 1979 to 2000 as measured on September 9 of each of those years.

Last Glacial Maximum (LGM)- The Last Glacial Maximum refers to the time of maximum extent of the ice sheets during the last glaciation, approximately 21 ka.

9), although sensitivity to these is limited by theoretical and topographical constraints on the rate and extent of ice loss.

Climate deniers trumpeted how the maximum extent of ice this year was close to the 1979 to 2000 average, yet the major trend in ice extent and volume is ever downwards.

Since there are many techniques to measure the MPP, we can keep using its drift to gauge the extent of ice - sheet melting — even in between the end of the ageing GRACE mission and the launch of the next generation of gravity - measuring satellites, says Chen.

The greatest difference compared with other comparable services is that traditionally they only tell about the extent of the ice or snow situation.

«The extent of the ice was so high, the body was pressed against the logs on the ceiling and smashed,» Schultz says.

Ola Johannessen and his colleagues at the Nansen Environmental and Remote Sensing Centre in Bergen base their claims on an analysis of two consecutive series of data on the extent of the ice packs which have previously been impossible to compare.

According to the AWI scientists, the extent of the ice loss will be great enough to undo all growth recorded over the relatively cold winters of 2013 and 2014.

Since the MPP can be accurately measured using multiple independent techniques, its position and drift can be used to gauge the extent of ice sheet melting, especially in between the end of the ageing GRACE mission and the launch of the next generation of gravity - field - measuring satellites, says Chen.

The extent of the ice in the Arctic has always been very uncertain but, through this work, we show how the sea ice in the Arctic Ocean developed before all the land - based ice masses in the Northern Hemisphere were established,» Jochen Knies explains.

«The computer simulations suggest that we could see a 10 - year period of stable ice or even an increase in the extent of the ice.»

Depending on the extent of the ice pack, females may need to travel some 50 miles (80 kilometers) just to reach the open ocean, where they will feed on fish, squid, and krill.

The computer simulations suggest that we could see a 10 - year period of stable ice or even a slight increase in the extent of the ice.

Still, the scientists, at the National Snow and Ice Data Center in Boulder, Colo., said that the extent of the ice in the Arctic this summer was 33 percent smaller than the average extent tracked since satellites started monitoring the region in 1979, and that the long - term trend is toward an ice - free summer in the Arctic Ocean within a few decades.

The blue on the left map shows the extent of the ice, which was greater in area than Antarctica and 3000 m (10,000 feet) deep in the dark blue region centered on Hudson Bay.

In summary, both historical and modern observations reveal real change in the extent of the ice shelf that moves at tidal, seasonal, and interannual time scales in response to both local and remote forcing at these times scales.

If the extent of this ice continues to shrink over both key seasons, the critically endangered animals may disappear from the wild even sooner than the bleak projections that already exist indicate.

«Over the last week or so, we've seen a fairly dramatic increase in the extent of ice across the central Bering Sea,» he said.

Rennie, 4.1 (± 0.2), Heuristic This estimate is primarily based on the distribution of the April PIOMAS sea ice volume estimate taking into account the extent of ice represented by various thicknesses.

I believe it was colder then than now because of what i have read about the extent of ice and glaciers then, as well as historical accounts of conditions in Europe.

Satellite images taken since 1979 show that the extent of ice mass over the other 90 % has increased.

As near as I can tell, the evidence that you trust as solid relates to «extent of ice and glaciers then, as well as historical accounts of conditions in Europe.»

«The computer simulations suggest that we could see a 10 - year period of stable ice or even an increase in the extent of the ice.»

The extent of the ice in the Arctic has always been very uncertain but, through this work, we show how the sea ice in the Arctic Ocean developed before all the land - based ice masses in the Northern Hemisphere were established,» Jochen Knies explains.

Coastal erosion reveals the extent of ice - rich permafrost on the Arctic Coastal Plain in the Teshekpuk Lake Special Area of the National Petroleum Reserve.

According to the most recent Arctic Report Card, the extent of ice older than four years declined from 981,000 square miles in March 1985 to just 50,000 square miles by March 2017.

He states that this graph «depicts the extent of ice coverage in the Arctic waters north of Canada».