21st Conference on Weather Analysis and Forecasting/17th Conference on Numerical Weather Prediction

14B.1

Variational assimilation in a propotype limited area model

Pierre Bernardet, CNRM, Toulouse, France

In the context of variational assimilation in a limited area model, the advection equation is considered; the control of the model is composed of the initial value and the boundary forcing; we show that traditional numerical schemes lead to badly behaved adjoints; alternative schemes are proposed; controllability and convergence issues are adressed

extended abstract  Extended Abstract (252K)

Session 14B, Data Assimilation II
Thursday, 4 August 2005, 3:30 PM-5:30 PM, Ambassador Ballroom

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