Radar Altimetry


Radar altimetry is a remote sensing technique used to measure the distance between a satellite and the Earth's surface. It works by emitting a radar pulse towards the ground and measuring the time it takes for the pulse to bounce back to the satellite. This information is then used to calculate the altitude of the satellite above the Earth's surface. Radar altimetry is used in a variety of applications, including oceanography, hydrology, and geodesy. In oceanography, radar altimetry is used to measure sea surface height, which can be used to study ocean currents, tides, and sea level rise. In hydrology, radar altimetry is used to measure the height of rivers and lakes, which can be used to monitor water resources. In geodesy, radar altimetry is used to measure the height of mountains and other topographic features, which can be used to study the Earth's crustal deformation.


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