Integrated Systems of Meso-Meteorological and Chemical by Alexander Baklanov (auth.), Alexander Baklanov, Mahura

By Alexander Baklanov (auth.), Alexander Baklanov, Mahura Alexander, Ranjeet Sokhi (eds.)

This publication, because the end result of the COST-728/NetFAM workshop, makes a speciality of the follow­ing major subject matters: 1) online coupled meteorology-chemistry modelling with two-way feedbacks, 2) off-line coupled modelling and interfaces, three) validation and case reviews together with air caliber comparable episodes, and four) integration of atmospheric chemical delivery (ACT) types with numerical climate prediction (NWP).

This ebook is likely one of the first makes an attempt to offer an total glance on such built-in meso-meteorology and chemistry modelling strategy. It stories the present state of affairs with the online and off-line coupling of mesoscale meteorological and ACT types around the world in addition to discusses benefits and shortcomings, most sensible practices, and provides innovations for online and off-line coupling of NWP and ACT versions, implementation technique for various suggestions mechanisms, direct and oblique results of aerosols and complicated interfaces among either sorts of types. The booklet is orientated in the direction of numerical climate prediction and air caliber modelling communities.

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Penner 2003) for those feedbacks may give different results and future climate changes may be affected by improved air quality. Accurately simulating those feedbacks requires fully-coupled models for meteorological, chemical, physical processes and presents significant challenges in terms of both scientific understanding and computational demand. In this work, the history and current status of development and application of on-line models are reviewed. Several representative models developed in the US are used to illustrate the current status of on-line coupled models.

J Geophys Res 94(D13):16387–16403. 1029/89JD01092 Schell B, Ackermann IJ, Hass H, Binkowski FS, Ebel A (2001) Modeling the formation of secondary organic aerosol within a comprehensive air quality model system. J Geophys Res 106:28275–28293 Schlesimger ME, Mintz Y (1979) Numerical simulation of ozone production, transport and distribution with a global atmospheric general circulation model. J Atmos Sci 36:1325–1361 Stockwell WR, Kirchner F, Kuhn M, Seefeld S (1997) A new mechanism for regional atmospheric chemistry modelling.

For gas/particle mass transfer, CAM3 and Caltech unified GCM use the simplest full equilibrium approach. MIRAGE2 uses a dynamic approach for H2SO4 and MSA. GATOR/GCMOM uses a computationally-efficient dynamic approach with a long time step (150–300 s) (PNG/EQUISOLV II) for all treated species (Jacobson 2005). In WRF/Chem, a full equilibrium approach is used for HNO3 and NH3 in MADE/SORGAM, a dynamic approach is used in MOSAIC. MADRID offers three approaches: full equilibrium, dynamic, and hybrid; their performance has been evaluated in Zhang et al.

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