Cloud cover analysis over Tibet by meteosat data

Yonghua Fang; Stephan Bakan

doi:10.1117/12.467324

9 April 2003 Cloud cover analysis over Tibet by Meteosat data

Yonghua Fang, Stephan Bakan

Proceedings Volume 4891, Optical Remote Sensing of the Atmosphere and Clouds III; (2003) https://doi.org/10.1117/12.467324
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

The Tibet Plateau plays an important role in the general atmospheric circulation as a cold and heat source. In summer, the plateau is covered by active cumulus convection. So it is very important to understand the distribution of cloud over Tibet. In this paper, Meteosat image data is used to analyze the cloud cover over Tibet. The statistical method is used to perform cloud classification: first step, a two-dimensional frequency histogram is constructed from two channels images (VIS and IR); second step, dynamic clustering technique is used to automatically classify this two-dimensional histogram; third step, each pixel in original image is assigned to a cloud class. The classification results show clearly the distribution of cloud classes.

Citation Download Citation

Yonghua Fang and Stephan Bakan "Cloud cover analysis over Tibet by Meteosat data", Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); https://doi.org/10.1117/12.467324

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