Application Of TAPM To Predict
Photochemical Air Pollution Over Portugal
Author(s)
C. Ribeiro, C. Borrego & M. Coutinho
Abstract
The main objective of this paper is to study photochemical air pollution in
Portugal through the application of the \“The Air Pollution Model” (TAPM)
(version 2.0), a 3D prognostic model that solves the fundamental fluid dynamics
and scalar transport equations to predict both meteorology and air pollution
concentrations. The possibility of using a meso-meteorological and dispersion
model on an hourly base during an entire year represents an important
achievement for air quality studies. The model was applied to Portugal, for the
year 2003, to predict ozone concentrations. The simulation domain was 350 x
700 km with nested horizontal resolutions of 30 and 10 km. This domain
included the entire Portuguese mainland and some of the surrounding ocean in
order to adequately simulate the complexity of the atmospheric flow. Model
predictions of meteorological surface parameters, such as wind and temperature,
were compared with measurements of six meteorological monitoring sites. The
Index of Agreement (IOA) was applied between observations and model results
predicted on one year-long meteorological parameters. IOA is greater than 0.50
for all parameters, indicating a good agreement with measurements. Predicted
ozone concentrations were compared with measurements from twelve air
monitoring sites using the Paired Peak Estimation and the Median Bias Error.
This numerical tool demonstrates a satisfactory performance to calculate
mesoscale circulation patterns and photochemical air pollution over Portugal,
providing important information to be used by decision-makers for air quality
assessment.
Keywords: photochemical air pollution, mesoscale simulation, ozone.
Keywords
photochemical air pollution, mesoscale simulation, ozone.
Related Book
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