GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS |
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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 |
Zhang Liang(张亮), Huang Si-Xun(黄思训)†, Shen Chun(沈春), and Shi Wei-Lai(施伟来) |
Institute of Meteorology, PLA University of Science and Technology, Nanjing 211101, China |
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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.
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Received: 25 May 2011
Revised: 20 July 2011
Accepted manuscript online:
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PACS:
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92.60.Fm
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(Boundary layer structure and processes)
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92.60.Gn
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(Winds and their effects)
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92.60.Qx
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(Storms)
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92.60.Ta
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(Electromagnetic wave propagation)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 41175025). |
Cite this article:
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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