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Hessian-based covariance approximations in variational data assimilation

The problem of variational data assimilation (estimation) for a nonlinear model is considered in general operator formulation. Hessian-based methods are presented to compute the estimation error covariances. The importance of dynamic formulation and the role of the Hessian and its inverse are discussed.

Hessian-based covariance approximations in variational data assimilation

The problem of variational data assimilation (estimation) for a nonlinear model is considered in general operator formulation. Hessian-based methods are presented to compute the estimation error covariances. The importance of dynamic formulation and the role of the Hessian and its inverse are discussed.

Energy and water budgets asphalt concrete pavement under simulated rain events

Proceedings of the international conference on integrated environmental Management for sustainable development. Vol. 3. ...

Southern Tunisia is a region very prone to wind erosion because of its soil features, and the development of mechanized agriculture. Moreover, this region is located downwind the Sahara, which is the main source of mineral dust in the world. For these reasons, dust haze is frequently observed in this region. If some authors have already documented ...

Observation des surfaces continentales par télédétection II : hydrologie continentale

Energy and water budgets asphalt concrete pavement under simulated rain events

Energy and water budgets asphalt concrete pavement under simulated rain events

Energy and water budgets asphalt concrete pavement under simulated rain events

Energy and water budgets asphalt concrete pavement under simulated rain events

Proceedings of the international conference on integrated environmental Management for sustainable development. Vol. 3. ...

Southern Tunisia is a region very prone to wind erosion because of its soil features, and the development of mechanized agriculture. Moreover, this region is located downwind the Sahara, which is the main source of mineral dust in the world. For these reasons, dust haze is frequently observed in this region. If some authors have already documented ...