Ground-Based Remote Sensing of Temperature Profiles by a Combination of Microwave Radiometry and Radar

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Abstract
This paper describes the results of a three-week experiment in which ground-based microwave radiometricmeasurements were combined with VHF radar measurements of tropopause height to yield vertical temperature profiles. Several algorithms to derive tropopause height are presented and their results are comparedwith radiosondes. The best of the algorithms yields radar versus radiosonde rms differences of 0.65 km.By the use of the combined radar-radiometric method, improvements were obtained in rms temperatureaccuracy of as much as 2.0 K rms over the pure radiometric technique.