Science and Development Network
News, views and information about science, technology and the developing world
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Definitions
Below is a directory of terms used in discussions about remote sensing for natural disasters. Most of the terms have been reproduced from the Canada Centre for Remote Sensing and the UN Department of Humanitarian Affairs.
New technologies have the potential to accelerate a country's development, but a global technology gap remains.
R
Radio Detection and Ranging (RADAR)
A method, system or technique for using beamed, reflected, and timed electromagnetic radiation to detect or track objects and measure altitude and terrain.
Radiometer
An instrument for quantitatively measuring the intensity of electromagnetic radiation in some band of wavelengths in any part of the electromagnetic spectrum.
Recovery
The coordinated process of supporting disaster affected communities in reconstructing physical infrastructure and restoring social, economic and physical well-being.
Rehabilitation
The operations and decisions taken after a disaster with a view to restoring a stricken community to its former living conditions, whilst encouraging and facilitating the necessary adjustments to the changes caused by the disaster.
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