Profiling Atmospheric Water Vapor by Microwave Radiometry

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  • a NASA/Goddard Space Flight Center, Greenbelt, MD 20771
  • | b Computer Sciences Corporation, Silver Spring, MD 20910
  • | c Systems and Applied Sciences Corporation, Riverdale, MD 20840
  • | d Georgia Institute of Technology, Atlanta 30332
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Abstract

High-altitude microwave radiometric observations at frequencies near 92 and 183.3 GHz were used to study the potential of retrieving atmospheric water vapor profiles over both land and water. An algorithm based on an extended Kaiman-Bucy filter was implemented and applied for the water vapor retrieval. The results show great promise in atmospheric water vapor profiling by microwave radiometry heretofore not attainable at lower frequencies.

Abstract

High-altitude microwave radiometric observations at frequencies near 92 and 183.3 GHz were used to study the potential of retrieving atmospheric water vapor profiles over both land and water. An algorithm based on an extended Kaiman-Bucy filter was implemented and applied for the water vapor retrieval. The results show great promise in atmospheric water vapor profiling by microwave radiometry heretofore not attainable at lower frequencies.

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