Direct Variational Assimilation of Radar Reflectivity and Radial Velocity Data: Issues with Nonlinear Reflectivity Operator and Solutions
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DOI: 10.1175/mwr-d-19-0149.1
Abstract: AbstractRadar reflectivity (Z) data are either directly assimilated using 3DVar, 4DVar, or ensemble Kalman filter, or indirectly assimilated using, for example, cloud analysis that preretrieves hyd... read more here.
Keywords: assimilation radar; variational assimilation; reflectivity radial; direct variational ... See more keywords
The formulation and study of some variational assimilation problems and inverse problems in ionosphere
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DOI: 10.1515/rnam-2018-0007
Abstract: Abstract We formulate a class of inverse problems in the theory of ionosphere and study the methods of its solution based on variational data assimilation for ‘total electronic content’ (TEC). The issues of unique and… read more here.
Keywords: assimilation; formulation study; variational assimilation; inverse problems ... See more keywords