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18 August 1998 Comparison of passive microwave sounding data with numerical weather prediction profiles
Stephen J. English, Jeff K. Ridley, Richard J. Renshaw, Paul C. Dibben, Brian R. Barwell, Andrew J. Smith, Peter Joseph Rayer, John R. Eyre
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Proceedings Volume 3501, Optical Remote Sensing of the Atmosphere and Clouds; (1998) https://doi.org/10.1117/12.317771
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China
Abstract
The Advanced Microwave Sounding Unit (AMSU), launched on May 13, 1998, is a twenty-channel passive microwave radiometer designed to provide information on atmospheric temperature and humidity structure in clear and cloudy conditions, complementing existing infra-red radiometers which provide information only in clear areas. AMSU has some channels similar to those flown on existing missions and others which are new. Observed radiances from the Special Sensor Microwave Imager (SSM/I) and the Microwave Sounding Unit (MSU) are compared with radiances calculated from numerical weather prediction (NWP) model profiles, and the differences discussed. A processing method for ATOVS radiances is described, and differences from previous techniques are highlighted. An initial evaluation of AMSU data is given. Finally the impact of passive microwave observations on the skill of numerical weather forecasts is discussed.
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Stephen J. English, Jeff K. Ridley, Richard J. Renshaw, Paul C. Dibben, Brian R. Barwell, Andrew J. Smith, Peter Joseph Rayer, and John R. Eyre "Comparison of passive microwave sounding data with numerical weather prediction profiles", Proc. SPIE 3501, Optical Remote Sensing of the Atmosphere and Clouds, (18 August 1998); https://doi.org/10.1117/12.317771
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KEYWORDS
Microwave radiation
Radiometry
Atmospheric modeling
Humidity
Image sensors
Imaging systems
Sensors
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