Fine Scale Meteorology & Air Quality Models - School of Architecture ...

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ASI2_Lecture 3_7/12/2011 Part 1: Introduction: Multi-scale modeling Modeling Tools • Meteorological modeling • Air quality modeling • Sub-grid context • Urban modeling • Canopy, in-canyon modeling • LES • CFD • Local Scale-Hybrid modeling Modeling System Development •Meteorological Model Developments: – Hurricane Model-> MM5-> WRF-> MPAS Multi-scale WRF System •General Framework •PBL Formulations •TKE vs Non-TKE schemes •Land-surface models •Urbanization in WRF •UHI Sensitivity studies •Air Quality Model Developments – Dispersion models-> photochemical grid models -> Acid Deposition model -> Community Multiscale One-Atmosphere AQ/Deposition model •Climate Model Developments – GCMs-> Community Climate models-> Community Earth systems model ASI 2: URBAN CLIMATE AND AIR POLLUTION School of Architecture, The Chinese University of Hong Kong, Hong Kong, 7-8 Dec 2011 Common Community Model Design Features Examples: WRF (Meteorological) CMAQ (Air Quality) Preprocessors -> Core -> Postprocessors Maintenance, Version Controls Open System Open Source, Dynamic Development Framework User Friendly Community Support Infrastructure Multiscale: Gridding/Nesting capabilities User Setups & Controls Science evolves; Module options grows Complementary Documentation Meteorology and AQ feedbacks possible ASI 2: URBAN CLIMATE AND AIR POLLUTION School of Architecture, The Chinese University of Hong Kong, Hong Kong, 7-8 Dec 2011 2
ASI2_Lecture 3_7/12/2011 Multi-Scale Urban Air Quality simulations Pollutant concentration resolution based on CMAQ grid size Example: Nested runs for NO x (top set) and Ozone (bottom set): Philadelphia modeling domain, July 14, 1995 ASI 2: URBAN CLIMATE AND AIR POLLUTION School of Architecture, The Chinese University of Hong Kong, Hong Kong, 7-8 Dec 2011 WRF: Integrated Cross‐scale Modeling Framework WPS System Enhanced Inputs WRF‐V3 System Enhanced modeling components Advanced Applications In‐situ and remote‐sensing urban land‐use and building characteristics, anthropogenic heat and moisture. Urbanized high‐resolution land data assimilation system (u‐HRLDAS) Fine‐scale atmospheric analysis (FDDA) Noah land surface model Urban canopy models Indoor‐outdoor exchange models Urban T&D models (CFD, LES) Chemistry models (WRF‐Chem) Human‐response modeling Weather prediction Air quality Regional climate Public health and risk assessments Urban water resources Adaptation and UHI mitigation Decision support Chen et al., JOC,2010 ASI 2: URBAN CLIMATE AND AIR POLLUTION School of Architecture, The Chinese University of Hong Kong, Hong Kong, 7-8 Dec 2011 3
Page 1: ASI2_Lecture 3_7/12/2011 Croucher A
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Page 11 and 12: ASI2_Lecture 3_7/12/2011 HYPOTHESIS
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Page 15 and 16: ASI2_Lecture 3_7/12/2011 Cooling Ca
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Page 21 and 22: ASI2_Lecture 3_7/12/2011 erturbatio
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Page 29 and 30: ASI2_Lecture 3_7/12/2011 HCHO Histo
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