Chemical transport model
Improving the representation of secondary organic aerosol (SOA) in the MOZART-4 global chemical transport model
... global model estimates of SOA production between early and more recent models employing a bottom-up approach are largely due to changes in the identities and fluxes of the VOC precursors considered, as indicated ...
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Development of a grid-independent GEOS-Chem chemical transport model (v9-02) as an atmospheric chemistry module for Earth system models
... global chemical transport model (CTM), used by a large atmospheric chemistry research com- munity, has been re-engineered to also serve as an atmo- spheric chemistry module for Earth system models ...
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Implementation and evaluation of an array of chemical solvers in the Global Chemical Transport Model GEOS-Chem
... global chemical transport ...the chemical simulation code without any addi- tional programming ...global chemical transport mod- eling by providing additional functionality as ...the ...
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Coupling aerosol optics to the MATCH (v5.5.0) chemical transport model and the SALSA (v1) aerosol microphysics module
... aerosol-optics model is implemented in which realistic morphologies and mixing states are assumed, especially for black carbon ...The model includes both external and internal mixing of all chemical ...
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Modelling of primary aerosols in the chemical transport model MOCAGE: development and evaluation of aerosol physical parameterizations
... global chemical transport model of Météo-France MOCAGE (Modèle de Chimie Atmosphérique à Grande Echelle) that consists of updates to different aerosol ...a model inter-comparison project ...
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Regional scale ozone data assimilation using an ensemble Kalman filter and the CHIMERE chemical transport model
... Abstract. An ensemble Kalman filter (EnKF) has been cou- pled to the CHIMERE chemical transport model in order to assimilate ozone ground-based measurements on a regional scale. The number of ...
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EnKF and 4D-Var data assimilation with chemical transport model BASCOE (version 05.06)
... stratospheric chemical transport ...for chemical data as- similation ...correlation model for all pre- scribed error correlations ...and model error for EnKF) so that each data ...
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The chemical transport model Oslo CTM3
... (IFS) model, produced on a daily basis with 12 h of spin-up starting from an analysis at noon on the pre- vious day, which are then pieced together to give a uniform dataset for a whole ...circulation model ...
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Development of a variational flux inversion system (INVICAT v1.0) using the TOMCAT chemical transport model
... adjoint model, it is necessary to choose whether to use the adjoint of the transport equations on which the forward model is based, known as a continuous adjoint, or to find the adjoint from the ...
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Modeling lightning-NOx chemistry on a sub-grid scale in a global chemical transport model
... effects on a sub-grid scale are represented via a fuel tracer in order to follow the amount of the emitted species in the plume and an effective reaction rate for the ozone production and nitric acid production and ...
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Implementation of state-of-the-art ternary new-particle formation scheme to the regional chemical transport model PMCAMx-UF in Europe
... regional-scale chemical transport models have been eval- uated typically with data from ground-level observations (Jung et ...the model against ver- tically resolved particle number observations, as ...
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Modeling lightning-NOx chemistry at sub-grid scale in a global chemical transport model
... Bechtold, P., Bazile, E., Guichard, F., Mascart, P., and Richard, E.: A mass-flux convection scheme for regional and global models, Q. J. Roy. Meteor. Soc., 127, 869–886, 2000. 34097 Bey, I., Jacob, D. J., Yantosca, R. ...
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Comparison between the assimilation of IASI Level 2 ozone retrievals and Level 1 radiances in a chemical transport model
... L2a and 13.2 CPU hours for L1a. Note that the L2a time does not include the cost of the L1 to L2 processor but only the cost of the 3D-Var assimilation plus the model forecasts. Most of the CPU time for L1a is ...
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Evaluation of water vapour assimilation in the tropical upper troposphere and lower stratosphere by a chemical transport model
... The comparison of operational analyses with FISH mea- surements presents similar patterns. The overall good agree- ment is contrasted by wet biases in the extratropical tropopause regions and dry bias in the tropical UT ...
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The TOMCAT global chemical transport model v1.6: description of chemical mechanism and model evaluation
... The model negative bias in the NH and positive bias in the SH leads to a simulated interhemispheric gradient that is too low (see ...2011). Transport errors in the model could also play a role; ...
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Global tropospheric ozone modelling:quantifying errors due to grid resolution
... global chemical transport model (CTM) described by Wild and Prather ...The model is driven by 3-hour meteorological fields generated with the European Centre for Medium-Range Weather Fore- ...
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PubMedCentral-PMC5089880.pdf
... global chemical transport model; however, our results are still limited by resolution and cannot fully resolve fine concentration gradients, particularly near urban ...
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Multi-model study of chemical and physical controls on transport of anthropogenic and biomass burning pollution to the Arctic
... polar transport of Asian anthropogenic and Siberian biomass burning emissions (Sodemann et ...the transport of these plumes to the Arctic or in the ...Eulerian chemical transport model ...
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Off-line algorithm for calculation of vertical tracer transport in the troposphere due to deep convection
... Acknowledgements. The authors are grateful to Kai Zhang (Pacific Northwest National Laboratory, Richland, USA) and Wuhu Feng (NCAS, University of Leeds, UK) for helpful comments and discussions. We thank Charmaine ...
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Reduced Mechanism Approach of Modeling Premixed Propane Air Mixture using Ansys Fluent
... The model presented in this work involves very rapid reaction rates (that is, much more rapid than the rates of convection and diffusion) for which the solution of the species transport equations becomes ...
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