Sentences with phrase «kilometers of ice per»

Ice sheet mass decreased at 152 ± 80 cubic kilometers of ice per year, equal to 0.4 ± 0.2 millimeters of sea level rise per year.

In 2008 a satellite study based on rates of snowfall and ice movement estimated a loss of 210 cubic kilometers of ice per year — a 59 percent increase in the past decade.

Not exact matches

From 1994 to 2003, the overall loss of ice shelf volume across the continent was negligible: about 25 cubic kilometers per year (plus or minus 64).

The new images, at resolutions of about 80 meters per pixel, show a striking shoreline, where smooth plains of nitrogen ice from Pluto's «heart» rub up against water ice mountains several kilometers high.

Satellites from NASA and other agencies have been tracking sea ice changes since 1979, and the data show that Arctic sea ice has been shrinking at an average rate of about 20,500 square miles (53,100 square kilometers) per year over the 1979 - 2015 period.

But measurements from the Gravity Recovery and Climate Experiment (GRACE) satellites, which weigh ice by measuring its gravitational tug from space, suggest that West Antarctica as a whole is losing ice — together with the Antarctic Peninsula, about 150 cubic kilometers per year as of 2005.

But during the 6 weeks the researchers spent on the Gould documenting the interaction between humpbacks and krill in Wilhelmina Bay and nearby waters, they counted 306 humpbacks parked on the huge krill swarm, and a total of 500 throughout the unusually ice - free bay at the record - setting density of 5.1 whales per square kilometer.

But despite earlier pollen analysis that pegged the movement of some tree species (that is, average advancement via seed dispersal) at about a kilometer per year after the last ice age, genetic studies have reduced that estimate to a pace closer to a tenth of a kilometer per year, Loarie says.

Between April 2002 and April 2006, GRACE data uncovered ice mass loss in Greenland of 248 ± 36 cubic kilometers per year, an amount equivalent to a global sea rise of 0.5 ± 0.1 millimeters per year.

During December 2009, ice extent grew at an average of 68,000 square kilometers (26,000 square miles) per day.

This is a decrease from the average rate of ice loss for June 2010 of -85,210 square kilometers per day, and is slower than climatology (average of -84,050 square kilometers per day for 1979 - 2000).

The slope of the red line is plus 6341 km ^ 2 per year indicating that the earth in 28 years has added 177,000 sq kilometers of ice with a mean ice level of 20.42 million Km ^ 2.

From July 1 - July 20, the rate of ice loss averaged -79,810 square kilometers per day.

The rate of ice growth for December was 90,000 square kilometers (34,700 square miles) per day.

The ice mass itself moves at about four kilometers per year into the ocean, a dramatic acceleration of the glacier's natural role as an outlet channel for the Antarctic ice sheet.

The September rate of sea ice decline since 1979 is now approximately 10 percent per decade, or 72,000 square kilometers (28,000 square miles) per year (see Figure 3).

By 2003, this glacier — already among the world's fastest - moving — reached speeds of more than 7.8 miles (12.6 kilometers) per year.2 In just one day — between July 6 and 7, 2010 — satellite images showed that Jakobshavn Isbrae lost approximately 2.7 square miles (7 square kilometers) of ice area.6

The rate of ice loss during July 2016 was slightly below average at 83,800 square kilometers (32,400 square miles) per day.

Global mass balance data are transformed to sea - level equivalent by first multiplying the ice thickness (meters) lost to melting by the density of ice (about 900 kilograms per cubic meter), to obtain a water equivalent thickness, and then multiplying by the surface area of these «small» glaciers (about 760,000 square kilometers).

Given that Greenland's glaciers are not presently moving anywhere close to that pace — Kangerdlugssuaq Glacier, the fastest, reached speeds above nine miles (14 kilometers) per year in 2005 — the researchers also looked at ice that could contribute from the rest of the world.