Avalia

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objectives...
...to contribute to the air quality evaluation,
according to the AQ Framework Directive
...to verify the fulfilment of the Daughter
Directives for NO2, SO2, CO and specially O3
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methodology...model system
meteorology
ECMWF (European Centre for Medium-range Weather
Prediction)
3D fields Wind Temperature Specific humidity
2D fields Superficial pressure Cloud
cover Precipitation
photochemistry
CHIMERE gas-phase
2D fields Pollutants deposition
3D fields Pollutants concentration O3, NO2, NO,
CO, COV, SO2
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methodology...study domain
1a simulation at continental scale
57.5N
simulation period 2001
Initial and background conditions MOZART
climatological model
emissions EMEP inventory
vertical structure 6 levels (50, 250, 600, 1200,
2000 e 3000 m)
35N
10.5W
22.5E
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methodology...study domain
2a simulation nested to PORTUGAL domain
simple one-way technique
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methodology...study domain
2a simulation nested to PORTUGAL domain
Initial and background conditions simulated
outputs 50x50 km
580 km
emissions top-down methodology
(VII CNA Monteiro et al, 2001)
290 km
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air quality assessment
AQ standart (µg.m-3)
Nº of allowed excedeences
Target date
SO2 (1999/30/EC)
NO2 (1999/30/EC)
CO (2000/69/EC)
O3 (2002/3/EC)
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air quality assessment...2001!
human health protection
SO2
limite value
Porto
limite value
Lisbon
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air quality assessment...2001!
human health protection
NO2
limite value
limite value
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air quality assessment...2001!
human health protection
CO
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air quality assessment...2001!
human health protection
O3
limite value
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air quality assessment...2001!
vegetation protection
O3
VALOR-ALVO PROTECÇÃO VEGETAÇÃO
OBJECTIVO LONGO-PRAZO PROTECÇÃO VEGETAÇÃO
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validation exercise
Air Quality National network

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background stations

industrial stations
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traffic stations
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45
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validation exercise...quantitatively
Polutant
  SO2
NO2
CO
  O3
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validation exercise...quantitatively
STATION
Background
Background
Background
Background
Background
Background
Background
Background
Background
Background
average
VNT
Background
25.50
0,64
-11,66
34,34
0,63
32,25
0,53
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validation exercise...quantitatively
simulated
background
observed
good agreement
industrial
overestimation
O3 (µg.m-3)
traffic
overestimation
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validation exercise...quanlitatively
NO2
O3
measured
measured
modelled
modelled
Experimental campaigns with difusion tubes
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episode days...
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sensitivity tests...
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future work...

• operational air quality forecast for Portugal
  10x10 km with zoom to Lisbon and Porto area
• aerosols version simulation
• forest fire emissions estimation and its
  integration in the forecast air quality system
• ...

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• Thank you!