Environmental Engineering Reference
In-Depth Information
between observed values and the sum of anthropogenic and third generation nitrate
(denoted as
sum
, red line). This corroborates that the changes in the description of
the aerosol chemical composition during the atmospheric transport of pollutants
can improve the model performance.
Daily PM10 Nitrate (mg/m
3
) - ES07
3 - 20 August 2005
1,5
y = 0.56x + 0.13
r = 0.33
1,0
y = 0.46x + 0.06
r = 0.32
y = 0.10x + 0.07
r = 0.12
0,5
0,0
0
0,5
1
1,5
Observations
P
NO3
DNO3
sum
Linear (PNO3)
Linear (DNO3)
Linear (sum)
Fig. 2.
Comparison between observed and simulated nitrate concentration at the EMEP station
ES07 (Visnar) in Spain
Acknowledgments
The authors would like to thank Professor G. Carmichael for his help and
comments on the procedure used for the heterogeneous chemical reactions.
This work has been
supported by the European Union 6th Framework Program CIRCE IP, contract #036961.
References
Astitha M, Kallos G, Katsafados P, Mavromatidis E (
2007) Heterogeneous chemical processes
and their role on particulate matter formation in the Mediterranean Region. Proceedings of
the 29th NATO/CCMS ITM, Aveiro, Portugal, pp 503-513. ISBN 978-1-4020-8451-5.
Astitha M, and G, Kallos (2008)
Gas-phase and aerosol chemistry interactions in South Europe
and the Mediterranean Region,
Env. Fluid Mech.
, DOI: 10.1007/s10652-008-9110-7.
Claquin T, M Schulz, YJ Balkanski (199
9) Modeling the mineralogy of atmospheric dust
sources.
J. Geophys. Res.
, 104 (D18):22243-22256.
Environ (2006)
User's Guide to CAMx v4.31, prepared by ENVIRON Inter. Corp., Novato, CA.
Grassian V (2002) C
hemical reactions of nitrogen oxides on the surface of oxide, carbonate,
soot, and mineral dust particles: Implications for the chemical balance of the troposphere,
J. Phys. 25 Chem. A
, 106(6), 860-877.
Visschedijk AJH and HAC Denier van der Gon (2005
) Gridded European anthropogenic
emission data for NOx, SO
2
, NMVOC, NH
3
, CO, PM10, PM2.5 and CH
4
for the year 2000,
TNO B&O-A Rapport 2005/106, 2nd version Nov 2005.
Zender CS, H Bian, D Newman (2003)
Mineral Dust Entrainment and Deposition (DEAD)
model: Description and 1990s dust climatology,
J. Geophys. Res.-Atmos.
, 108, D14.
