Sentences with phrase «satellite radar altimeter»
The slope in sea level across the Gulf Stream has been measured by satellite radar altimeter to be one metre over a horizontal distance of 100 km (62 miles), which is sufficient to cause a surface geostrophic current of one metre per second at 43 ° N.
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Employing gravimeters, laser altimeters, even radar, the plane will attempt to get a handle on the rapid thinning of the Antarctic ice sheet — as well as fill in for the aging ICESat 1 satellite that is soon to be defunct.
In the early 1990s the TOPEX (Topography Experiment for Ocean Circulation) / Poseidon satellite, a joint American - French mission, shot into orbit armed with radar altimeters to measure the height of the sea surface.
Coastal altimetry, which provides detailed wave and sea level data in the coastal zone captured by specialist instruments called radar altimeters on board satellites, is at the heart of the project and scientists from NOC have been at the cutting - edge of this technique.
Microwave radars of the European Remote - Sensing Satellites (ERS), radiometers of the Defense Meteorological Satellite Program (DMSP) and the dual - frequency altimeter TOPEX - POSEIDON have shown their ability to improve the description and location of storms, especially in the case of tropical cyclones for which very few traditional observations exist.
The two satellites are in a polar orbit with an inclination of about 82 degrees and operates 3 distinct instruments: a radar altimeter; an imaging spectrometer; and an infrared radiometer.