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Sensitivity of the adjoint method in the inversion of tsunami source parameters
the adjoint method tsunami source parameters
2009/12/10
This paper tests a methodology for tsunami wave-form inversion, based on the adjoint method. The method is designed to perform the direct optimization of the tsunami fault parameters, from tide-gauge ...
Data Assimilation in a Quasi-geostrophic Open-Ocean Model of the Gulf Stream Region Using the Adjoint Method
quasi-geostrophic Gulf Stream Region Quasi-geostrophic Open-Ocean Model
2008/12/23
The method of adjoint data assimilation is applied in a quasi-geostrophic (QG) open-ocean model of the Gulf Stream region. The results of data assimilation experiments are presented in which simulated...
An Adjoint Method for Obtaining the Most Rapidly Growing Perturbation to Oceanic Flows
oceanic flows quasigeostrophic model Most Rapidly Growing Perturbation
2008/12/22
This work explores the formation and growth of waves on oceanic flows using a quasigeostrophic model. In particular, we consider flow regimes consisting of zonal oceanic jets, similar in fact to the w...
Determining the Mean, Large-Scale Circulation of the Atlantic with the Adjoint Method
Large-Scale Circulation Atlantic Adjoint Method
2008/12/19
A new model approach based on the adjoint formalism and aimed at assimilating large sets of hydrographic data is presented. The goal of the model calculations is to obtain the mean, large-scale ocean ...
Rapid Perturbation Growth on Spatially and Temporally Varying Oceanic Flows Determined Using an Adjoint Method：Application to the Gulf Stream
Rapid Perturbation Growth Temporally Varying Oceanic Flows Gulf Stream
2008/12/19
The stability of the Gulf Stream flow predicted by a nonlinear quasigeostrophic model is examined by employing an iterative method, which uses both the tangent linear equations and the adjoint tangent...