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Prediction of Ozone Concentrations over the Sea of Japan Coastal Area Using WRF/Chem Model

Author(s): Khandakar Md Habib Al Razi | Moritomi Hiroshi

Journal: Iranica Journal of Energy and Environment (IJEE)
ISSN 2079-2115

Volume: 3;
Issue: 1;
Start page: 1;
Date: 2012;
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Keywords: Air quality | Modeling | WRF/Chem | Ozone concentrations

The fully coupled WRF/Chem (Weather Research and Forecasting/Chemistry) model is used to simulate air quality over the Sea of Japan coastal area. Anthropogenic surface emissions database used as input for this model are mainly based on Global hourly emissions data (dust, sea salt, biomass burning), RETRO (REanalysis of the TROpospheric chemical composition), GEIA (Global Emissions Inventory Activity) and POET (Precursors of ozone and their Effects in the Troposphere). Climatologic concentrations of particulate matters derived from Regional acid Deposition Model (RADM2) chemical mechanism and Secondary Organic Aerosol Model (MADE/SORGAM) with aqueous reaction were used to deduce the corresponding aerosols fluxes for input to the WRF/Chem. The model was firstly integrated for 48 hours continuously starting from 00:00 UTC of 14 March 2008 to evaluate ozone concentrations and other precursor pollutants were analyzed. WPS meteorological data were used for the simulation of WRF/Chem model in this study. Despite the low resolution of the area global emissions and the weak density of the local point emissions, it has been found that WRF/Chem simulates quite well with the diurnal variation of the chemical species concentrations over the Sea of Japan coastal area. The simulations conducted in this study showed that due to the geographical and climatologically characteristics, it is still environmentally friendly by the transported pollutants in this region.
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