Simulating the formation of carbonaceous aerosol in a European Megacity (Paris) during the MEGAPOLI summer and winter campaigns. Fountoukis, C., Megaritis, A., G., Skyllakou, K., Charalampidis, P., E., van der Gon, H., A., C., D., Crippa, M., Prevot, A., S., H., Fachinger, F., Wiedensohler, A., Pilinis, C., & Pandis, S., N. ATMOSPHERIC CHEMISTRY AND PHYSICS, 16(6):3727-3741, 2016. abstract bibtex We use a three-dimensional regional chemical transport model (PMCAMx)
with high grid resolution and high-resolution emissions (4 x 4 km(2))
over the Paris greater area to simulate the formation of carbonaceous
aerosol during a summer (July 2009) and a winter (January/February 2010)
period as part of the MEGAPOLI (megacities: emissions, urban, regional,
and global atmospheric pollution and climate effects, and Integrated
tools for assessment and mitigation) campaigns. Model predictions of
carbonaceous aerosol are compared against Aerodyne aerosol mass
spectrometer and black carbon (BC) high time resolution measurements
from three ground sites. PMCAMx predicts BC concentrations reasonably
well reproducing the majority (70aEuro-%) of the hourly data within a
factor of two during both periods. The agreement for the summertime
secondary organic aerosol (OA) concentrations is also encouraging (mean
bias = 0.1 A mu g m(-3)) during a photochemically intense period. The
model tends to underpredict the summertime primary OA concentrations in
the Paris greater area (by approximately 0.8 A mu g m(-3)) mainly due to
missing primary OA emissions from cooking activities. The total cooking
emissions are estimated to be approximately 80 mg d(-1) per capita and
have a distinct diurnal profile in which 50 % of the daily cooking OA
is emitted during lunch time (12:00-14:00 LT) and 20 % during dinner
time (20:00-22:00 LT). Results also show a large underestimation of
secondary OA in the Paris greater area during wintertime (mean bias =
aEuro-a'2.3 A mu g m(-3)) pointing towards a secondary OA formation
process during low photochemical activity periods that is not simulated
in the model.
@article{
title = {Simulating the formation of carbonaceous aerosol in a European Megacity (Paris) during the MEGAPOLI summer and winter campaigns},
type = {article},
year = {2016},
identifiers = {[object Object]},
pages = {3727-3741},
volume = {16},
id = {ea2e3848-1ddd-3f4e-8801-337e2fbb8368},
created = {2016-11-30T20:34:29.000Z},
file_attached = {false},
profile_id = {363623ef-1990-38f1-b354-f5cdaa6548b2},
group_id = {02267cec-5558-3876-9cfc-78d056bad5b9},
last_modified = {2017-03-14T17:32:24.802Z},
read = {false},
starred = {false},
authored = {false},
confirmed = {true},
hidden = {false},
citation_key = {ISI:000374702300004},
source_type = {article},
private_publication = {false},
abstract = {We use a three-dimensional regional chemical transport model (PMCAMx)
with high grid resolution and high-resolution emissions (4 x 4 km(2))
over the Paris greater area to simulate the formation of carbonaceous
aerosol during a summer (July 2009) and a winter (January/February 2010)
period as part of the MEGAPOLI (megacities: emissions, urban, regional,
and global atmospheric pollution and climate effects, and Integrated
tools for assessment and mitigation) campaigns. Model predictions of
carbonaceous aerosol are compared against Aerodyne aerosol mass
spectrometer and black carbon (BC) high time resolution measurements
from three ground sites. PMCAMx predicts BC concentrations reasonably
well reproducing the majority (70aEuro-%) of the hourly data within a
factor of two during both periods. The agreement for the summertime
secondary organic aerosol (OA) concentrations is also encouraging (mean
bias = 0.1 A mu g m(-3)) during a photochemically intense period. The
model tends to underpredict the summertime primary OA concentrations in
the Paris greater area (by approximately 0.8 A mu g m(-3)) mainly due to
missing primary OA emissions from cooking activities. The total cooking
emissions are estimated to be approximately 80 mg d(-1) per capita and
have a distinct diurnal profile in which 50 % of the daily cooking OA
is emitted during lunch time (12:00-14:00 LT) and 20 % during dinner
time (20:00-22:00 LT). Results also show a large underestimation of
secondary OA in the Paris greater area during wintertime (mean bias =
aEuro-a'2.3 A mu g m(-3)) pointing towards a secondary OA formation
process during low photochemical activity periods that is not simulated
in the model.},
bibtype = {article},
author = {Fountoukis, Christos and Megaritis, Athanasios G and Skyllakou, Ksakousti and Charalampidis, Panagiotis E and van der Gon, Hugo A C Denier and Crippa, Monica and Prevot, Andre S H and Fachinger, Friederike and Wiedensohler, Alfred and Pilinis, Christodoulos and Pandis, Spyros N},
journal = {ATMOSPHERIC CHEMISTRY AND PHYSICS},
number = {6}
}
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Model predictions of\ncarbonaceous aerosol are compared against Aerodyne aerosol mass\nspectrometer and black carbon (BC) high time resolution measurements\nfrom three ground sites. PMCAMx predicts BC concentrations reasonably\nwell reproducing the majority (70aEuro-%) of the hourly data within a\nfactor of two during both periods. The agreement for the summertime\nsecondary organic aerosol (OA) concentrations is also encouraging (mean\nbias = 0.1 A mu g m(-3)) during a photochemically intense period. The\nmodel tends to underpredict the summertime primary OA concentrations in\nthe Paris greater area (by approximately 0.8 A mu g m(-3)) mainly due to\nmissing primary OA emissions from cooking activities. The total cooking\nemissions are estimated to be approximately 80 mg d(-1) per capita and\nhave a distinct diurnal profile in which 50 % of the daily cooking OA\nis emitted during lunch time (12:00-14:00 LT) and 20 % during dinner\ntime (20:00-22:00 LT). 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Model predictions of\ncarbonaceous aerosol are compared against Aerodyne aerosol mass\nspectrometer and black carbon (BC) high time resolution measurements\nfrom three ground sites. PMCAMx predicts BC concentrations reasonably\nwell reproducing the majority (70aEuro-%) of the hourly data within a\nfactor of two during both periods. The agreement for the summertime\nsecondary organic aerosol (OA) concentrations is also encouraging (mean\nbias = 0.1 A mu g m(-3)) during a photochemically intense period. The\nmodel tends to underpredict the summertime primary OA concentrations in\nthe Paris greater area (by approximately 0.8 A mu g m(-3)) mainly due to\nmissing primary OA emissions from cooking activities. The total cooking\nemissions are estimated to be approximately 80 mg d(-1) per capita and\nhave a distinct diurnal profile in which 50 % of the daily cooking OA\nis emitted during lunch time (12:00-14:00 LT) and 20 % during dinner\ntime (20:00-22:00 LT). 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