Preprints
https://doi.org/10.5194/acpd-4-1371-2004
https://doi.org/10.5194/acpd-4-1371-2004
08 Mar 2004
 | 08 Mar 2004
Status: this preprint was under review for the journal ACP. A revision for further review has not been submitted.

3-D chemistry-transport model Polair: numerical issues, validation and automatic-differentiation strategy

V. Mallet and B. Sportisse

Abstract. We briefly present in this short paper some issues related to the development and the validation of the three-dimensional chemistry-transport model Polair.

Numerical studies have been performed in order to let Polair be an efficient and robust solver. This paper summarizes and comments choices that were made in this respect.

Simulations of relevant photochemical episodes were led to assess the validity of the model. The results can be considered as a validation, which allows next studies to focus on fine modeling issues.

A major feature of Polair is the availability of a tangent linear mode and an adjoint mode entirely generated by automatic differentiation. Tangent linear and adjoint modes grant the opportunity to perform detailed sensitivity analyses and data assimilation. This paper shows how inverse modeling is achieved with Polair.

V. Mallet and B. Sportisse
 
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
 
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
V. Mallet and B. Sportisse
V. Mallet and B. Sportisse

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