Sentences with phrase «used airborne radar»
They used airborne radar soundings and satellite data to show that beneath the glacial ice were valleys so deeply incised that some of them were hundreds of metres below sea level, at distances tens of kilometres from the sea.
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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.
Using airborne radar and satellite imaging, researchers have located more than 400 of these so - called subglacial lakes beneath the Antarctic ice sheet over the past 50 years.
Not exact matches
Scientists using ice - penetrating radar data collected by NASA's Operation IceBridge and earlier airborne campaigns have built the first comprehensive map of layers deep inside the Greenland Ice Sheet, opening a window on past climate conditions and the ice sheet's potentially perilous future.
Detailed elevation map of ice stream C using satellite imagery and airborne radar, Annals of Glaciology, Vol.
Scientists from the University of Erlangen - Nuremberg Institute of Geography and from the Laboratoire de Glaciologie et Gophysique de l'Environnement in Grenoble, France, used radar data from satellites such as ESA's Envisat and observations of ice thickness from airborne surveys in a complex model to demonstrate, for the first time, how the buttressing role of the ice shelves is being compromised as the shelves decline.
«New remote sensing approaches using light detection and ranging (Lidar) and radio detection and ranging (radar) from airborne sensors have been successful in providing high - resolution estimates of forest carbon density for small areas,» he wrote in a paper published in May by the Proceedings of the National Academy of Sciences of the United States.
They use ground - penetrating radar, electrical resistance tomography, electromagnetic data, and LiDAR airborne measurements.
ISDAC flight 16 was flown in a pattern that included spirals over the ARM Climate Research Facility North Slope site at Barrow, thereby allowing us to use the surface - based millimeter wavelength cloud radar (MMCR) in addition to the airborne X-band radar that flew on the Convair - 580.