Trends & Distributions

P.F. Bernath, J. Crouse, R.C. Hughes, C.D. Boone (2021), The Atmospheric Chemistry Experiment Fourier transform spectrometer (ACE-FTS) version 4.1 retrievals: Trends and seasonal distributions, J. Quant. Spectrosc. Rad. Transfer, 107409. DOI: 10.1016/j.jqsrt.2020.107409

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

(CH3)2CO


Linear Trend Values

Mol Trend %/Year
(Error)
Trend ppt/Year
(Error)
Mol Trend %/Year
(Error)
Trend ppt/Year
(Error)
COClF -0.85
(15)
-0.377
(0.059)
HCN -0.14
(30)
-0.35
(70)
H2O 0.250
(30)
13.3x103
(1.5x103)
HCOOH -0.70
(28)
-0.32
(11)
H2O2 0.23
(24)
0.47
(48)
HF 0.868
(45)
17.52
(79)
HCFC-22 1.723
(56)
4.079
(94)
HFC-134a 6.86
(22)
5.708
(70)
HCFC-141b 0.59
(22)
0.169
(55)
HNO3 0.61
(20)
50
(13)
HCFC-142b 1.06
(17)
0.168
(21)
HO2NO2 0.24
(10)
0.54
(23)
HCl -0.297
(30)
-7.70
(72)
N2 -0.0038
(35)
30(28)
x106
N2O 0.2852
(93)
938
(29)
PAN -13.3
(5.4)
-6.06
(58)
N2O5 0.22
(17)
2.3
(1.7)
CFC-11 -0.531
(25)
-1.225
(51)
NO 0.13
(16)
10
(12)
COF2 0.35
(11)
1.00
(28)
NO2 0.01
(11)
0.4
(5.2)
ClONO2 -0.55
(10)
-4.59
(77)
O2 0.0059
(60)
13(13)
x106
CO2 0.5484
(52)
2206(19)
x103
O3 0.095
(54)
7.2(4.0)
x103
C2H6 1.34
(31)
8.9
(1.6)
OCS -1.44
(15)
-6.40
(47)
H2CO 0.19
(19)
0.18
(17)
(CH3)2CO 2.31
(37)
8.14
(94)
C2H2 -1.12
(38)
-0.81
(23)
CCl4 -1.231
(75)
-0.992
(50)
CF4 1.057
(20)
0.870
(13)
CFC-12 -0.608
(18)
-3.156
(83)
CFC-113 -1.387
(33)
-1.005
(19)
CH3Cl 0.168
(40)
1.03
(24)
CH3CN -0.23
(16)
-0.62
(40)
CH3OH 0.02
(19)
0.1
(1.0)
CH4 0.346
(17)
6.26(29)
x103
CHF3 3.450
(83)
0.840
(13)
ClO 0.35
(43)
0.82
(94)
CO -0.47
(16)
-0.34(11)
x103
COCl2 -0.63
(17)
-0.072
(18)
SF6 3.829
(27)
0.3272
(23)
SO2 -0.68
(46)
-0.059
(36)