Domain Emissions: City vs EMEP

1
Domain Emissions City vs EMEP
2
City Centre Emissions
3
City vs. domain emissions
NOx Cumulated Emissions
100
80
60
()
Paris Prague Milan London Berlin
40
20
0
40
60
80
0
20
Distance from City Centre (km)
4
Measurement time and hour  
Measurement time hour
  Who has looked at monitoring data? Which
cities?   Monitoring data warnings can be looked
at whats new instead of updating the files
5
Measurement technique
6

• Series of 3 Graphical Analysis tools
  Measurements, Base case, Deltas
• Which are inter-dependent
• To be made available to the City-Delta community
  (to be discussed)
• Cd_station objectives
• Overall visualisation of whats available for the
  different cities
• Visualise main characteristics of each
  city/station
• Choice of more interesting stations for
  evaluation step
• Detection of unexpected measurements
• City/city comparison

7
Validation Selection of 9 stations

• O3M Station where max O3 (over 6 months) is
  reached
• O3m Station where the lowest maximum O3 (over
  6 months) is reached
• MO3M Station where the 6-months mean O3 is
  highest
• MO3m Station where the 6-months mean O3 is
  lowest
• PM Stations where PM10 measurements are taken
• NO2 Higher and Lower annual mean NO2 stations
• Spatial representativity (NNI)
• Data Availability
• Station type diversity (urban-suburban-rural)

8
PM
PM
MO3m
O3m
PM
PM
PM
O3M
PM
PM
PM
O3m
O3 all NO2 all PM2.5 4 10 H mean NO2 3 L
mean NO2 4 7 NNI (0.42 ?0.51)
2 6 close and similar 8 1 close and similar,
11 interesting for NNI
MO3M
9
PM
O3M
PM
PM
PM
MO3m
O3 all except 9 NO2 all PM2.5 None H mean
NO2 7 L mean NO2 15 NNI (0.27 ?0.36)
MO3M
O3m
4 Highest NO2 peak 11 5 for NNI
10
O3 all NO2 all PM2.5 None H mean NO2 2 L
mean NO2 9 NNI (0.62 ?0.57)
O3m
MO3M
PM
PM
MO3m
MO3M
O3M
O3M
O3m
PM
PM
O3m
7 rural station
11
O3M
PM
PM
PM
O3m
O3M
MO3m
O3m
O3 all NO2 all PM2.5 None H mean NO2 11 L
mean NO2 15 NNI (0.942 ?1.12)
O3M
MO3M
12
PM
PM
O3M
O3M
PM
MO3m
PM
PM
O3M
PM
O3 2,4,5,7 NO2 all PM2.5 None H mean NO2 4 L
mean NO2 6 NNI (0.30)
PM
O3M
MO3M
PM
13
PM
PM
PM
MO3m
O3m
PM
PM
PM
PM
O3M
O3 1,4,7,8,9 NO2 all PM2.5 None H mean NO2
1 L mean NO2 7,8 NNI (0.17)
PM
MO3M
O3M
14
PM
O3m
O3M
O3 all except 1 9 NO2 all PM2.5 None H mean
NO2 10 L mean NO2 2 NNI (0.10 ?0.16)
PM
MO3m
10
PM
11
PM
O3m
PM
4 5 similar 1 9 similar
MO3M
15
MO3m
MO3M
O3m
O3M
O3 all NO2 all PM2.5 None H mean NO2 1 L
mean NO2 2 NNI (0.34)
16
City O3 Background-Delta

• For each station and each day ? compute the max
  O3 conc.
• For each day diff(day) max(max) min(max)
• Min(day) min(max)
• Average over 6 months ? Background Delta

17
City O3 Seasonality
18
City NO2 Background-Delta