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Impact of forest fires on particulate matter and ozone levels during the 2003, 2004 and 2005 fire seasons in portugal

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Author: Martins, V. · Miranda, A.I. · Carvalho, A. · Schaap, M. · Borrego, C. · Sá, E.
Type:article
Date:2012
Source:Science of the Total Environment, 414
Identifier: 446407
Keywords: Climate · Air quality modeling · Atmospheric emissions · Forest fire · Ozone · Particulate matter · Energy / Geological Survey Netherlands · Earth & Environment · CAS - Climate, Air and Sustainability · EELS - Earth, Environmental and Life Sciences

Abstract

The main purpose of this work is to estimate the impact of forest fires on air pollution applying the LOTOS-EUROS air quality modeling system in Portugal for three consecutive years, 2003-2005. Forest fire emissions have been included in the modeling system through the development of a numerical module, which takes into account the most suitable parameters for Portuguese forest fire characteristics and the burnt area by large forest fires. To better evaluate the influence of forest fires on air quality the LOTOS-EUROS system has been applied with and without forest fire emissions. Hourly concentration results have been compared to measure data at several monitoring locations with better modeling quality parameters when forest fire emissions were considered. Moreover, hourly estimates, with and without fire emissions, can reach differences in the order of 20%, showing the importance and the influence of this type of emissions on air quality. © 2011 Elsevier B.V.