Pollution Characteristics of Atmospheric Carbonyl Compounds in a Large City of Northern China
Table 4
Correlation of atmospheric carbonyl compounds in the summers of 2018 (top) and 2020 (bottom) in Jinan city.
Compound
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Formaldehyde (1)
1.000
Acetaldehyde (2)
0.592
1.000
Acetone (3)
0.229
0.644
1.000
Propionaldehyde (4)
0.143
0.570
0.367
1.000
Butyraldehyde (5)
−0.110
0.385
0.842
0.227
1.000
Benzaldehyde (6)
−0.318
−0.172
0.338
−0.267
0.455
1.000
Isovaleraldehyde (7)
−0.115
−0.160
−0.008
0.041
0.145
0.559
1.000
Valeraldehyde (8)
0.117
0.422
0.257
0.306
0.518
−0.087
−0.697
1.000
o-Tolualdehyde (9)
−0.217
−0.145
0.307
0.001
0.272
0.544
0.328
−0.279
1.000
Hexaldehyde (10)
0.592
0.607
0.281
0.213∗∗
0.294∗∗
−0.259
−0.328
0.478
−0.456
1.000
Dimethylbenzaldehyde (11)
0.322
0.501
0.139
0.120
−0.173
−0.185
0.224
0.031
−0.046
0.111
1.000
CO (12)
0.388
0.530
0.330
0.390
0.088
−0.313
−0.429
0.220
−0.159
0.280
0.176
1.000
Formaldehyde (1)
1.000
Acetaldehyde (2)
0.677
1.000
Acetone (3)
−0.228
0.049
1.000
Propionaldehyde (4)
0.658
0.650
−0.068
1.000
Butyraldehyde (5)
0.227
0.440
0.564
0.305
1.000
Benzaldehyde (6)
0.319
0.532
0.171
0.421
0.436
1.000
Isovaleraldehyde (7)
−0.007
0.050
0.024
−0.064
0.065
0.226
1.000
Valeraldehyde (8)
0.285
0.430
−0.176
0.449
−0.254
0.433
0.241
1.000
o-Tolualdehyde (9)
0.142
0.121
0.184
0.053
0.070
0.327
−0.033
0.484
1.000
Hexaldehyde (10)
−0.309
−0.105
−0.575
−0.136
−0.415
0.170
0.223
0.671
0.244
1.000
Dimethylbenzaldehyde (11)
0.026
0.243
−0.092
0.213
−0.261
0.590
0.266
0.888
0.319
0.729
1.000
CO (12)
0.313
0.339
−0.179
0.446
0.170
−0.034
0.116
−0.041
−0.280
0.459
−0.136
1.000
The boldface is used to emphasize the importance of these values as they represent higher correlation coefficient values and they have no additional meanings.
