Sentences with phrase «radar measurements»

The team estimates that the ice sheets, confirmed by radar measurements, are at least 130 metres thick.

According to one of the studies, published in the journal Geophysical Research Letters, which used radar measurements from the European Space Agency's Sentinel - 1 satellite, Smith Glacier's «grounding line» — the boundary between the bedrock and the ocean — has been retreating at a rate of 1.24 miles per year since 1996.

Radar measurements of asteroid distances and velocities often enable computation of asteroid orbits much further into the future than would be possible otherwise.

Astronomers and space flight enthusiasts tracked Tiangong - 1's return to Earth with radar measurements and data from a satellite - tracking website run by the US Department of Defense.

Audi side assist uses radar measurements behind the car to ensure safe lane changes; Audi pre sense rear tensions the seat belts in the event of an impending collision from behind.

Matrosov S. Y., C. G. Schmitt, M. Maahn and G. de Boer (December 2017): Atmospheric Ice Particle Shape Estimates from Polarimetric Radar Measurements and In Situ Observations.

Interferometric synthetic - aperture radar measurements from other satellites had provided long - term averages of how quickly glaciers behind ice shelves like Scar Inlet were flowing into the sea, but the technique would not capture sudden events like glacier surges.

These core data provide a reference for radar measurements and provide a way to calculate how much ice from a given climate period exists across the ice sheet, something known as an age volume.

Clarke, T.S., C. Liu, N.E. Lord, and C.R. Bentley, Evidence for a recently abandoned shear margin adjacent to Ice Stream B2, Antarctica, from ice - penetrating radar measurements, Journal of Geophysical Research, Vol.

Satellite images show that Larsen C has been receding since the 1980s, and radar measurements suggest that its ice is also thinning, Rignot says.

The study, conducted at the Scott Polar Research Institute (SPRI) at the University of Cambridge, used airborne radar measurements to reveal the lakes underneath the ice sheet.

«By ultrasonic and building radar measurements, every centimeter of the viaduct was examined down to a depth of 50 to 70 cm and documented.

In 1965 radar measurements revealed Mercury's true two - thirds rotation pattern, a similar but less complete type of gravitational synchrony.

The researchers added information about Venus» topography from radar measurements taken by NASA's Magellan mission in the 1990s, and filled the lowlands with water, leaving the highlands exposed as Venusian continents.

Khazendar and his team, analyzing their direct radar measurements, found stunning rates of ice loss from the glaciers» undersides on the ocean sides of their grounding lines.

Scheuchl's team compared radar measurements from the European Space Agency's Sentinel - 1 mission and data from the earlier ERS - 1 and ERS - 2 satellites to identify changes in each glacier's grounding line — the boundary where it loses contact with bedrock and begins to float on the ocean.

The authors present the study as a test of Europe's earth observation satellite Sentinel - 1 and its ability to deliver radar measurements to accuracies of millimetres.

Stereo cloud - top heights obtained with the 11 µm and 1.6 µm channels of ATSR2 were compared with ground - based millimeter - wave cloud radar measurements at both sites.

Botta, G., K. Aydin, J. Verlinde, A.E. Avramov, A.S. Ackerman, A.M. Fridlind, G.M. McFarquhar, and M. Wolde, 2011: Millimeter wave scattering from ice crystal aggregates: Comparing cloud model simulations with X - and Ka - band radar measurements.

Matrosov S. Y., R. Cifelli, A. B. White and T. Coleman (April 2017): Snow - Level Estimates Using Operational Polarimetric Weather Radar Measurements.

Beginning with research flights in the 1960s that made radar measurements over West Antarctica, scientists began to understand that, inland of the ice sheet's edge, the bed slopes downward, precipitously, in some cases.

Radar measurements of the height of the ice over parts of the continent suggest that the huge East Antarctic ice sheet grew slightly between 1992 and 2003.

Stenoien, Mark D. and Charles R. Bentley, Pine Island Glacier, Antarctica: a study of the catchment using interferometric Synthetic Aperture Radar measurements and radar altimetry, J. Geophys.

Clarke, T. S., C. Liu, N. E. Lord, and C. R. Bentley, Evidence for a recently abandoned shear margin adjacent to Ice Stream B2, Antarctica, from ice - penetrating radar measurements, J. Geoph.

Palmer, D.J. Bodine, B.L.Cheong, C.J. Fulton and S.M. Torres, the center, and the OU Schools of Electrical and Computer Engineering and Meteorology, developed the simulator to provide comparisons for actual polarimetric radar measurements.

Radar measurements and models of Earthly glacial ice flows led researchers to conclude that the glaciers spotted on Mars from orbiters contain nearly 150 billion cubic meters of water.

[N. B. Karlsson, L. S. Schmidt and C. S. Hvidbert, Volume of Martian mid-latitude glaciers from radar observations and ice - flow modeling] The researchers paired a decade's worth of radar measurements with models of how glacial ice flows on Earth to calculate the approximate thickness and size of all the Martian glaciers.

Radar measurements and geochemical analyses unveiled a complex history of volcanic eruptions that could have happened as recently as 2 billion years ago1.

The Audi side assist included as standard in the 2.0 TFSI and TTS ensures safe lane changes with a radar measurement towards the rear, and the Audi active lane assist keeps the open top two seater in its lane with minor steering interventions.

The radar measurements in the Arctic tell the warming story in a way that will be hard for the global - warming skeptics to refute.

The Postdoc will be responsible for preparing long - term lidar and radar measurements for use with a newly developed ground - based lidar - radar simulator for ModelE3, running ModelE3 baseline and sensitivity test simulations, preparing comparisons of aerosol and meteorological conditions with existing reanalysis and satellite data sets, and contributing to model improvement efforts that will be guided by project results.