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Background AEAs Pollution Climate Mapping team produce UK maps
on behalf of Defra and the Devolved Administrations 2004 & 2005
Scotland Specific Scottish meteorological data Scotland only AURN
sites for calibration of the model Mixed results Particularly for
gravimetric PM 10 Refocusing efforts
Slide 3
Introduction to the Model Components of the model: Point source
model Environment Agency and SEPA database Area source model
Dispersion kernel Long range transport and secondary inorganic
aerosols
http://www.airquality.co.uk/archive/reports/cat09/0709241126_dd12005mapsrep_v2.pdf
Slide 4
Examples of Mapping Results Verification of Scottish NO x
background and roadside annual mean 2005 model ( g m 3 as NO 2 )
Scottish model NOx background annual mean 2005 map for Scotland ( g
m 3 as NO2)
Slide 5
Further Work on Scottish Mapping Project 2006 Scotland specific
verification 2007 Scotland specific gravimetric particulate maps
due to increased number of sites 1 year only To include PM 10 and
PM 2.5 Scotland specific verification for other pollutants
Slide 6
Model developments Improvements and changes to Models PM 10
Residual concentrations reduced More certainty in sea salt
concentrations Secondary inorganic aerosols Iron Change to
calibration Singles relationship for calibration Different types of
dispersion kernels for differing land types Biomass!
Slide 7
Biomass Burning Government committed 15% of all energy to be
from renewable sources by 2020 Defra and the Scottish Government
assessing the air quality risks from burning biomass AEA developing
projection maps for 2010, 2015 and 2020 Scenarios Uptake of 5-7%
biomass burning Fuel replacement Regionally specific variations
Pollutants: PM 10, PM 2.5, NO x and NO 2