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Advances in Meteorology
Volume 2018 (2018), Article ID 7931964, 17 pages
https://doi.org/10.1155/2018/7931964
Research Article

Formulations for Estimating Spatial Variations of Analysis Error Variance to Improve Multiscale and Multistep Variational Data Assimilation

Qin Xu1 and Li Wei2

1NOAA/National Severe Storms Laboratory, Norman, OK, USA
2Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, USA

Correspondence should be addressed to Qin Xu; vog.aaon@ux.niq

Received 24 April 2017; Revised 24 November 2017; Accepted 3 December 2017; Published 7 February 2018

Academic Editor: Shaoqing Zhang

Copyright © 2018 Qin Xu and Li Wei. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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