نتایج جستجو برای: cmaq
تعداد نتایج: 483 فیلتر نتایج به سال:
Assessing the contribution of multiple air pollutant sources is essential to effective emission control policy design, towards which numerical quality modelling can provide fundamental guidance. In Piracicaba, an industrial municipality in São Paulo, Brazil, a straightforward strategy focusing on local direct and precursor reduction has been proposed, as part state-wide program following update...
The present study aims to demonstrate the effects of horizontal grid resolution on simulated pollution concentration fields over Bulgaria. computer simulations are performed with a set models used worldwide—the Weather Research and Forecasting Model (WRF)—the meteorological preprocessor, Community Multiscale Air Quality Modeling System (CMAQ)—chemical transport model, Sparse Matrix Operator Ker...
Abstract. This paper presents the first development and evaluation of a reduced-complexity air quality model for China. In this study, Intervention Model Air Pollution over China (InMAP-China) is developed by linking regional model, an emission inventory database China, health impact assessment to rapidly estimate impacts sources in The modeling system applied mainland 2017 under various scenar...
[1] A new aerosol model, the Model of Aerosol Dynamics, Reaction, Ionization, and Dissolution (MADRID) has been developed to simulate atmospheric particulate matter (PM). MADRID and the Carnegie-Mellon University (CMU) bulk aqueous-phase chemistry have been incorporated into the three-dimensional Models-3/Community Multiscale Air Quality model (CMAQ). The resulting model, CMAQ-MADRID, is applie...
[1] An atmospheric mercury model intercomparison study has been conducted to compare three regional-scale atmospheric mercury models, CMAQ, REMSAD, and TEAM, in a tightly constrained testing environment with a focus on North America. Each of these models used the same horizontal modeling grid, pollutant emission information, modeled meteorology, and boundary conditions to the greatest extent pr...
BACKGROUND Previous epidemiologic studies suggest associations between preterm birth and ambient air pollution. OBJECTIVE We investigated associations between 11 ambient air pollutants, estimated by combining Community Multiscale Air Quality model (CMAQ) simulations with measurements from stationary monitors, and risk of preterm birth (< 37 weeks of gestation) in the U.S. state of Georgia. ...
The ability of receptor models to estimate regional contributions to fine particulate matter (PM2.5) was assessed with synthetic, speciated datasets at Brigantine National Wildlife Refuge (BRIG) in New Jersey and Great Smoky Mountains National Park (GRSM) in Tennessee. Synthetic PM2.5 chemical concentrations were generated for the summer of 2002 using the Community Multiscale Air Quality (CMAQ)...
An inverse modeling method was developed and tested for identifying possible biases in emission inventories using satellite observations. The relationships between emission inputs and modeled ambient concentrations were estimated using sensitivities calculated with the decoupled direct method in three dimensions (DDM-3D) implemented within the framework of the Community Multiscale Air Quality (...
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