Ground-Based Microwave Radiometer Profiler Observations before a Heavy Rainfall

Abstract:

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Ground-based 12-channel microwave radiometer profiler TP/WVP-3000 can provide temperature and vapor density profile per minute up to 10 km height. The observations feature apparent change before heavy rainfall obtained by TP/WVP-3000 is presented in this paper. It demonstrates the detailed thermodynamic features that the atmosphere becomes colder and drier above height 3-4 km about 9 hours before the rain, the integrated water vapor gradually increases from 5 cm to 9 cm, the integrated cloud water change from near zero to 15 mm and the vapor density also increases rapidly about half an hour before the rain, which can be concluded that the radiometer profiler is able to improve the understanding of mesoscale weather in this case due to the profiler significantly improves the temporal resolution of atmospheric thermodynamic observations.

Info:

Periodical:

Edited by:

Robert Zhu

Pages:

312-315

DOI:

10.4028/www.scientific.net/AMM.137.312

Citation:

W. J. Xu and H. Y. Liu, "Ground-Based Microwave Radiometer Profiler Observations before a Heavy Rainfall", Applied Mechanics and Materials, Vol. 137, pp. 312-315, 2012

Online since:

October 2011

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Price:

$35.00

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