Abstract：
:In this study, an attempt was made to simulate the air quality with reference to ozone over the Jackson (Mississippi) region using an online WRF/Chem (Weather Research and Forecasting-Chemistry) model. The WRF/Chem model has the advantages of the integration of the meteorological and chemistry modules with the same computational grid and same physical parameterizations and includes the feedback between the atmospheric chemistry and physical processes. The model was designed to have three nested domains with the inner-most domain covering the study region with a resolution of 1 km. The model was integrated for 48 hours continuously starting from 0000 UTC of 6 June 2006 and the evolution of surface ozone and other precursor pollutants were analyzed. The model simulated atmospheric flow fields and distributions of NO2 and O3 were evaluated for each of the three different time periods. The GIS based spatial distribution maps for ozone, its precursors NO, NO2, CO and HONO and the back trajectories indicate that all the mobile sources in Jackson, Ridgeland and Madison contributing significantly for their formation. The present study demonstrates the applicability of WRF/Chem model to generate quantitative information at high spatial and temporal resolution for the development of decision support systems for air quality regulatory agencies and health administrators.
journal_name
Int J Environ Res Public Healthauthors
Yerramilli A,Dodla VB,Desamsetti S,Challa SV,Young JH,Patrick C,Baham JM,Hughes RL,Yerramilli S,Tuluri F,Hardy MG,Swanier SJdoi
10.3390/ijerph8062470subject
Has Abstractpub_date
2011-06-01 00:00:00pages
2470-90issue
6eissn
1661-7827issn
1660-4601pii
10.3390/ijerph8062470journal_volume
8pub_type
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