Trends & Distributions

P.F. Bernath, J. Steffen, J. Crouse, C.D. Boone (2020), Sixteen-year trends in atmospheric trace gases from orbit, J. Quant. Spectrosc. Rad. Transfer, 107178. DOI: 10.1016/j.jqsrt.2020.107178

COClFH2OH2O2HCFC-22HCFC-141bHCFC-142bHCl
N2ON2O5NONO2O2O3OCS
(CH3)2COCCl4CFC-12CH3ClCH3OHCHF3CO
SF6HCNHCOOHHFHFC-134aHNO3HO2NO2
N2PANCFC-11COF2ClONO2CO2C2H6
H2COC2H2CF4CFC-113CH3CNCH4ClO
COCl2SO2

O3


Linear Trend Values

Mol Trend %/Year
(Error)
Trend ppt/Year
(Error)
Mol Trend %/Year
(Error)
Trend ppt/Year
(Error)
COClF -0.88
(11)
-0.389
(0.057)
HCN -0.13
(28)
-0.31
(66)
H2O 0.237
(30)
12.7x103
(1.5x103)
HCOOH -0.51
(28)
-0.22
(13)
H2O2 0.30
(24)
0.64
(49)
HF 0.864
(47)
17.44
(82)
HCFC-22 1.758
(51)
4.012
(81)
HFC-134a 6.73
(37)
5.45
(11)
HCFC-141b 0.54
(20)
0.145
(49)
HNO3 0.60
(17)
49
(12)
HCFC-142b 0.90
(14)
0.145
(18)
HO2NO2 0.21
(13)
0.47
(28)
HCl -0.314
(26)
-8.21
(73)
N2 -0.0051
(51)
-32x106
(30x106)
N2O 0.2559
(80)
799
(24)
PAN -11.7
(2.3)
-5.87
(62)
N2O5 0.20
(17)
2.2
(1.7)
CFC-11 -0.526
(17)
-1.162
(44)
NO 0.13
(16)
10
(12)
COF2 0.34
(11)
0.96
(28)
NO2 -0.01
(11)
-0.7
(5.0)
ClONO2 -0.546
(85)
-4.53
(78)
O2 0.0000
(47)
-4.6x106
(13.5x106)
CO2 0.550
(10)
2149x103
(37x103)
O3 0.126
(43)
9.4x103
(3.2x103)
C2H6 1.26
(30)
8.1
(1.6)
OCS -1.387
(56)
-6.03
(40)
H2CO 0.18
(18)
0.19
(19)
(CH3)2CO 2.40
(37)
7.94
(86)
C2H2 -1.29
(38)
-0.89
(22)
CCl4 -1.228
(41)
-0.983
(42)
CF4 1.036
(20)
0.853
(13)
CFC-12 -0.611
(14)
-3.051
(84)
CFC-113 -1.466
(20)
-1.015
(19)
CH3Cl 0.176
(42)
1.06
(24)
CH3CN -0.24
(16)
-0.62
(43)
CH3OH 0.02
(19)
0.1
(1.0)
CH4 0.343
(17)
5.84x103
(27x103)
CHF3 3.438
(88)
0.793
(11)
ClO 0.23
(43)
0.53
(96)
CO -0.51
(14)
-0.35x103
(10x103)
COCl2 -0.70
(13)
-0.079
(17)
SF6 4.26
(16)
0.322
(6)
SO2 0.34
(43)
0.030
(36)