|
| |
| WEMI1
|
|
Table 1. WEMI1 ammonium sulfate trajectory
regression attribution
assessment using a zero intercept. |
|
|
|
Intercept |
|
|
|
|
|
|
|
New Mexico |
0.0913 |
0.0173 |
12.2 |
2.3 |
12.2 |
0.0000 |
|
Pacific Ocean |
0.0907 |
0.0153 |
12.1 |
2.1 |
24.4 |
0.0000 |
|
Arizona |
0.0886 |
0.0210 |
11.9 |
2.8 |
36.2 |
0.0000 |
|
SwColorado |
0.0821 |
0.0213 |
11.0 |
2.8 |
47.2 |
0.0001 |
|
Pacific Coast |
0.0577 |
0.0174 |
7.7 |
2.3 |
55.0 |
0.0010 |
|
Utah |
0.0537 |
0.0213 |
7.2 |
2.9 |
62.1 |
0.0122 |
|
Mexico |
0.0496 |
0.0149 |
6.6 |
2.0 |
68.8 |
0.0010 |
|
NWUS |
0.0492 |
0.0156 |
6.6 |
2.1 |
75.4 |
0.0017 |
|
SWUS |
0.0462 |
0.0167 |
6.2 |
2.2 |
81.5 |
0.0059 |
|
NwColorado |
0.0290 |
0.0204 |
3.9 |
2.7 |
85.4 |
0.1567 |
|
Gulf |
0.0177 |
0.0062 |
2.4 |
0.8 |
87.8 |
0.0047 |
|
SeColorado |
0.0172 |
0.0120 |
2.3 |
1.6 |
90.1 |
0.1547 |
|
NEUS |
0.0141 |
0.0063 |
1.9 |
0.8 |
92.0 |
0.0267 |
|
NeColorado |
0.0129 |
0.0098 |
1.7 |
1.3 |
93.7 |
0.1885 |
|
SEUS |
0.0124 |
0.0106 |
1.7 |
1.4 |
95.4 |
0.2451 |
|
Nebraska |
0.0106 |
0.0061 |
1.4 |
0.8 |
96.8 |
0.0802 |
|
Canada |
0.0054 |
0.0096 |
0.7 |
1.3 |
97.5 |
0.5689 |
|
Atlantic |
0.0040 |
0.0030 |
0.5 |
0.4 |
98.0 |
0.1881 |
|
Oklahoma |
0.0039 |
0.0080 |
0.5 |
1.1 |
98.6 |
0.6296 |
|
Kansas |
-0.0009 |
0.0086 |
-0.1 |
1.2 |
98.4 |
0.9137 |
|
Wyoming |
-0.0015 |
0.0108 |
-0.2 |
1.4 |
98.2 |
0.8915 |
|
|
Table 2. WEMI1 ammonium sulfate trajectory regression attribution
assessment including an intercept. |
|
| Source Regions |
Contributions (ug/m3) |
Uncertainty (ug/m3) |
Fraction (%) |
Uncertainty (%) |
Cumulative (%) |
Significance (p value) |
|
|
Intercept |
0.2124 |
0.0779 |
28.4 |
10.4 |
28.4 |
0.0068 |
|
New Mexico |
0.0765 |
0.0179 |
10.2 |
2.4 |
38.7 |
0.0000 |
|
Pacific Ocean |
0.0729 |
0.0165 |
9.8 |
2.2 |
48.4 |
0.0000 |
|
Arizona |
0.0684 |
0.0221 |
9.2 |
3.0 |
57.6 |
0.0022 |
|
SwColorado |
0.0653 |
0.0219 |
8.7 |
2.9 |
66.3 |
0.0031 |
|
Pacific Coast |
0.0411 |
0.0182 |
5.5 |
2.4 |
71.8 |
0.0251 |
|
Utah |
0.0302 |
0.0228 |
4.0 |
3.0 |
75.9 |
0.1854 |
|
Mexico |
0.0404 |
0.0151 |
5.4 |
2.0 |
81.3 |
0.0081 |
|
NWUS |
0.0314 |
0.0167 |
4.2 |
2.2 |
85.5 |
0.0615 |
|
SWUS |
0.0250 |
0.0182 |
3.4 |
2.4 |
88.8 |
0.1704 |
|
NwColorado |
0.0154 |
0.0208 |
2.1 |
2.8 |
90.9 |
0.4582 |
|
Gulf |
0.0154 |
0.0062 |
2.1 |
0.8 |
93.0 |
0.0134 |
|
SeColorado |
0.0146 |
0.0119 |
2.0 |
| |
