Ice cloud microphysical property retrieval using airborne two-frequency radars

Zhien Wang; Gerald M. Heymsfield; Lihua Li; Andrew J. Heymsfield

doi:10.1117/12.578793

22 December 2004 Ice cloud microphysical property retrieval using airborne two-frequency radars

Zhien Wang, Gerald M. Heymsfield, Lihua Li, Andrew J. Heymsfield

Proceedings Volume 5654, Microwave Remote Sensing of the Atmosphere and Environment IV; (2004) https://doi.org/10.1117/12.578793
Event: Fourth International Asia-Pacific Environmental Remote Sensing Symposium 2004: Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2004, Honolulu, Hawai'i, United States

Abstract

An algorithm to retrieve the optically thick ice cloud microphysical property profiles is developed by using the GSFC 9.6 GHz ER-2 Doppler Radar (EDOP) and the 94 GHz Cloud Radar System (CRS) measurements aboard the high-altitude ER-2 aircraft. In situ size distribution and total water content data from the CRYSTAL-FACE field campaign are used for algorithm development. To reduce uncertainty in calculated radar reflectivity factors (Ze) at these wavelengths, coincident radar measurements and size distribution data are used to guide the selection of mass-length relationship and to deal with the density and non-spherical effects of ice crystals on Ze. The algorithm is able to retrieve microphysical property profiles of optically thick ice clouds, such as, deep convective and anvil clouds, which are very challenge for single frequency radar and lidar. An example of retrieved microphysical properties of a deep convective cloud is presented.

Citation Download Citation

Zhien Wang, Gerald M. Heymsfield, Lihua Li, and Andrew J. Heymsfield "Ice cloud microphysical property retrieval using airborne two-frequency radars", Proc. SPIE 5654, Microwave Remote Sensing of the Atmosphere and Environment IV, (22 December 2004); https://doi.org/10.1117/12.578793

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