Abstract
The Microwave Radiometer (MWR) flying on the Aquarius/SAC-D mission is a Dicke radiometer operating at 23.8 and 36.5 GHz that is developed by the Argentina Space Agency CONAE. This instrument will complement Aquarius (NASA's L-band radiometer/scatterometer) by providing simultaneous spatially collocated environmental measurements such as oceanic wind speed and rain rate. This paper describes the development of the pre-launch MWR rain rate algorithm using simulated MWR brightness temperatures from actual WindSat radiometer observations. WindSat provides high spatial resolution brightness temperatures that are spatially averaged to simulate the resolution of MWR. Also WindSat provides retrieved environmental parameters (EDR's), which includes rain rate for developing the statistical regression algorithm. Examples of simulated MWR rain retrievals are presented.
Published Version
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