Comparison of Cloud Top Height Observation between FY2F Satellite and MillimeterWave Cloud Radar
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Abstract:
The FY2 geostationary satellite spectral data consist of several detection channels, including visible, water vapor, mediumlong wavelength infrared and multichannel. Among these channels, the multichannel data can provide satellite cloud top temperature data. This paper, based on FY2F satellite cloud top temperature data, combined with the local realtime ratiosonde data, retrieves the cloud top height from the satellite data of clouds over the southern suburbs of Beijing and makes comparison with the groundbased millimeterwave cloud radar detection of cloud top height to analyze the cloud top height observation results under the three kinds of cloud thickness. The results indicate that the match degree of two sorts of measurements is affected by the geometric cloud thickness, and the coincidence degree shows the best for thick clouds and the worst for thin clouds.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.