Variational assimilation in combination with a regularization method for sea level pressure retrieval from QuikSCAT scatterometer data II: simulation experiment and actual case study

doi:10.1088/1674-1056/20/12/129201

Abstract The sea level pressure field can be computed from sea surface winds retrieved from satellite microwave scatterometer measurements, based on variational assimilation in combination with a regularization method given in part I of this paper. First, the validity of the new method is proved with a simulation experiment. Then, a new processing procedure for the sea level pressure retrieval is built by combining the geostrophic wind, which is computed from the scatterometer 10-meter wind using the University of Washington planetary boundary layer model using this method. Finally, the feasibility of the method is proved using an actual case study.

Keywords: scatterometer sea level pressure variational assimilation regularization QuikSCAT

Received: 25 May 2011
Revised: 20 July 2011
Accepted manuscript online:

PACS:	92.60.Fm	(Boundary layer structure and processes)
	92.60.Gn	(Winds and their effects)
	92.60.Qx	(Storms)
	92.60.Ta	(Electromagnetic wave propagation)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 41175025).

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Zhang Liang(张亮), Huang Si-Xun(黄思训), Shen Chun(沈春), and Shi Wei-Lai(施伟来) Variational assimilation in combination with a regularization method for sea level pressure retrieval from QuikSCAT scatterometer data II: simulation experiment and actual case study 2011 Chin. Phys. B 20 129201

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Variational assimilation in combination with a regularization method for sea level pressure retrieval from QuikSCAT scatterometer data II: simulation experiment and actual case study

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