R eactivity [CO] / R eactivity [AH C + C O]
Reactivity [NHC] / Reactivity [AHC + CO + NHC]
0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0
(a)
6
8
10
12
14
16
18
0.6
(b)
0.5 0.4 0.3 0.2 0.1 0 6
20
8
0.6 0.5 0.4 0.3 0.2 0.1 0 10
12
14
16
16
18
20
18
(d)
0.35 0.3 0.25 0.2 0.15 0.1 0.05
20
0 6
8
Time of Day (hr)
10
12
14
16
18
20
Time of Day (hr)
0.35 Reac tivity [>=C4] / R eactivity [AHC+CO ]
14
0.4
(c)
Reactivity [R-O LE] / Reactivity [AHC + CO]
R eactivity [R-AR O M] / R eactivity [AHC + CO]
0.7
8
12
Time of Day (hr)
Time of Day (hr)
6
10
(e)
9-Oct
0.3
10-Oct
0.25
11-Oct
0.2
25-Oct 5-Nov
0.15
6-Nov
0.1
7-Nov
0.05
8-Nov
0
12-Nov 6
8
10
12
14
16
18
20
Time of Day (hr)
Figure 4.11. Fractions of different species groups to the total propy-equivalent reactivity at Tai O on all episode days with VOC data.
52