Exact(4)
Detailed maps of ice thickness and subglacial topography have been produced.
"We can now say with confidence that CryoSat's maps of ice thickness are correct to within 10cm," Laxon added.
We present the first comprehensive maps of ice surface, ice thickness and subglacial topography around Lake Vostok.
"We can now say with good confidence that Cryosat's maps of ice thickness are correct to within 10-20cm," saiDrDr Seymour Laxon, from UCL's Centre for Polar Observation and Modelling (CPOM).
Similar(56)
The technique typically delivers maps of ice-sheet elevation and elevation change with 3 10 km spatial resolution and seasonal to monthly temporal resolution.
NASA researchers recently completed the first map of ice speed and direction in Antarctica.
Mouginot, J., Scheuchl, B. & Rignot, E. Mapping of ice motion in Antarctica using synthetic-aperture radar data.
The map of ice in motion, which traces parts of the eastern Antarctic region that have previously been hard to see, offers a new and powerful tool for the study of the dynamics of ice melting into the southern seas.
Ice melting rates were estimated from (1) growth of ice cauldrons as measured from the SAR images, (2) evolution of crevasse patterns and other subsidence structures around the ice cauldrons from photographs and the SAR images, and (3) mapping of ice surface with GPS in July 2010.
Our results are based on measurements of tephra thickness on land in Iceland, records of tephra fallout outside Iceland, reconstruction of plume dispersal from satellite images, monitoring and mapping of ice melting, eruption plume height, grain size analysis of tephra, tephra grain morphology and chemistry of the erupted products.
Further, the mapping of ice production is presented based on the ice thickness by these algorithms and near-surface atmospheric data from the ECMWF interim reanalysis dataset.
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