DocumentCode
2165551
Title
Is it better to assimilate the Doppler radar radial velocity directly than retrieved winds with Ensemble Kalman Filter?
Author
Yang, Yi ; Zhang, Xuanze ; Wen, Deyao ; Wang, Zhenghu ; Shao, Aimei
Author_Institution
Key Laboratory for Semi-Arid Climate Change of the Ministry of Education, College of Atmospheric Sciences, Lanzhou University, China
fYear
2010
fDate
4-6 Dec. 2010
Firstpage
3801
Lastpage
3804
Abstract
The comparison of two methods of assimilating Doppler radar wind data with Ensemble Kalman Filter (EnKF) based WRF model is presented. One is to assimilate simulated radar radial velocity observations directly. The other is to assimilate the horizontal winds retrieved from Doppler radar Data. Result shows that the second method which assimilated retrieved winds with small retrieval error gives better analysis than the first method does.
Keywords
Data assimilation; Data models; Doppler radar; Kalman filters; Mathematical model; Predictive models; Assimilation; Doppler radar; Ensemble Kalman Filter (EnKF); Radial Velocity; Retrieve;
fLanguage
English
Publisher
ieee
Conference_Titel
Information Science and Engineering (ICISE), 2010 2nd International Conference on
Conference_Location
Hangzhou, China
Print_ISBN
978-1-4244-7616-9
Type
conf
DOI
10.1109/ICISE.2010.5691924
Filename
5691924
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