Sentences with phrase «gravity data»

Using gravity data to assess changes in ice mass is not new.

The discovery is the result of an analysis of gravity data from airborne NASA Operation IceBridge missions from 2009 to 2014 combined with ice motion measurements made by researchers at the University of California, Irvine (UCI), UCI's own mass conservation algorithm, and existing bed topography and ice thickness information.

The first such map, from just 89 days of in - flight testing, is 10 times better than 3 decades of gravity data from all other sources combined, says aerospace engineer Byron Tapley of the University of Texas, Austin, leader of the U.S. GRACE team.

Evidence of three new basins comes from gravity data collected by NASA's GRAIL mission in 2012 (new basins circled in black, redder colors indicate a greater gravitational tug).

Indeed, satellite gravity data and radar altimetry reveal that the Totten Glacier of East Antarctica, which fronts a large ice mass grounded below sea level, is now losing mass [90].

Gravity data sets show baselines — where gravity is not changing — and the areas where gravity is weakening.

Maps of the moon generated from gravity data gathered by the GRAIL spacecraft include three previously undiscovered lunar basins, Bartels - Voskresenskiy, Copernicus - H and Asperitatis.

In this study, researchers of the Royal Observatory of Belgium show gravity data from recent Cassini flybys can be explained if Dione's crust floats on an ocean located 100 kilometers below the surface.

This new research into GOCE's gravity data revealing ice loss over time is being carried out through ESA's Earth Observation Support to Science Element.

In mid-December, Dawn will begin taking observations from this orbit, including images at a resolution of 120 feet (35 meters) per pixel, infrared, gamma ray and neutron spectra, and high - resolution gravity data.

W.M.F., M.P. and D.D. carried out the analysis of the Juno gravity data.

This data has now been declassified because gravity data from civilian missions (e.g. ESA's ERS - 1) made the continued classification of it pointless.

However, gravity data collected during the spacecraft's several close passes over the south polar region lent support to the possibility the sea might be global.

Virendra Tiwari from the National Geophysical Research Institute in Hyderabad, India, and colleagues used gravity data from the GRACE satellite to monitor the loss of continental mass around the world since 2002.

Indeed, satellite gravity data and radar altimetry reveal that the Totten Glacier of East Antarctica, which fronts a large ice mass grounded below sea level, is now losing mass [90].

Gravity data sets are new.

The discovery is thanks to gravity data from a flyby by NASA's Cassini spacecraft, which also discovered the subsurface oceans of two others of Saturn's moons, Titan and Enceladus.

The subsurface - sea idea is just the simplest possible interpretation of the gravity data, cautions William McKinnon at Washington University in St Louis, who was not involved in the work.

The key feature in the gravity data was a so - called negative mass anomaly at Enceladus's south pole.

On a future flyby, Juno will try to use gravity data to detect the storm at depths of thousands of kilometers.

Gravity data and seismic soundings revealed a ring surrounding the central dome, traits similar to Mexico's Chicxulub crater.

Further support for a scum layer inside Mercury could come as MESSENGER gathers more gravity data and team members use the accumulating gravity data as an independent check on the radar orbital data.

It's possible that it is a global ocean, but it's definitely at least a regional sea, based on the gravity data, the authors said.

From the gravity data we received from the Voyager flybys in 1986 (Uranus) and 1989 (Neptune), and from watching how the Uranian rings move, it appears that the planets are not simple, three - layer objects, with the densest rock in the center, surrounded by ocean with a hydrogen / helium atmosphere above it all.

D.D. and M.P. carried out the gravity data analysis.

At this point, however, most of the evidence indicates some mass loss from the Antarctic continent, Zwally et al is inconsistent with both the GRACE gravity data and estimates of the sea level rise budget, and we need to be careful not to fall prey to «single - study syndrome».

Using a combination of GRACE gravity data that measured changes in ocean mass, altimetry data that measured changes in ocean volume and Argo data that measured heat content, Cazenave (2008) used 2 different methods and both estimated the contribution from increased ocean heat to be about 0.3 to 0.37 mm / year.

Additionally, unadjusted GRACE gravity data has suggested no lost ice mass and all estimates of ice gains or loss depend on which Glacial Isostatic Adjustments modelers choose to use.

Scientists from Australia, China, the US and France report in the journal Nature that they examined optical, thermal, microwave and gravity data collected by orbiting sensors between 2000 and 2012.