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Proceedings Paper

Application of satellite data assimilation in monitoring the atmospheric duct
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Paper Abstract

The evaporation of the sea surface water causes significant changes in the vertical atmospheric environment, which in turn changes the refracting way of the radio wave. It affects the propagation path and the field strength of the radio wave, and has an important impact on the electronic systems such as radar and communication operating. However, there is still a lack of real-time and effective monitoring of the radio wave environment. Hyperspectral infrared data can provide a wide range of temperature and humidity profiles, which are the factors that directly affects refractive index calculation. In this study, regional assimilation of hyperspectral infrared radiances was carried out in a community assimilation system, using GSI coupled with the WRF model, to improve the retrieval of temperature and humidity profiles. The results show that the meteorological field after assimilation can effectively improve the accuracy of the atmospheric duct monitoring.

Paper Details

Date Published: 9 September 2019
PDF: 7 pages
Proc. SPIE 11127, Earth Observing Systems XXIV, 1112706 (9 September 2019); doi: 10.1117/12.2529670
Show Author Affiliations
Xiaojing Hao, China Research Institute of Radiowave Propagation (China)
Yan-An Liu, East China Normal Univ. (China)
Yixing Zhang, East China Normal Univ. (China)
Allen Hung-Lung Huang, Univ. of Wisconsin-Madison (United States)

Published in SPIE Proceedings Vol. 11127:
Earth Observing Systems XXIV
James J. Butler; Xiaoxiong (Jack) Xiong; Xingfa Gu, Editor(s)

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