windows_cboone::HCN (No. 28)
Links:
| Window ID | Central Freq (cm-1) | Full Width (cm-1) | No. Lines | E" (cm-1) | Altitude Range (km) | Rating | Remarks | |
|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 3271.44 | 0.3 | 1 | 269 | 12 - 27 | 2 | few likely O3 lines unassig. on wings of H2O < 15km |
| 0 | 2 | 3274.6 | 0.3 | 1 | 231 | 12 - 27 | 2 | H2O and CO2 interf. on wing of H2O < 16km |
| 0 | 3 | 3277.85 | 0.3 | 1 | 195 | 12 - 32 | 1 | wk H2O interf. on wing of H2O < 13km |
| 0 | 4 | 3281.02 | 0.3 | 1 | 163 | 16 - 32 | 1 | on wing of H2O < 14km |
| 0 | 5 | 3287.2 | 0.28 | 1 | 106 | 15 - 32 | 1 | interf by CO2 < 15km |
| 0 | 6 | 3299.55 | 0.26 | 1 | 29 | 15 - 30 | 1 | interf. by H2O < 15km |
| 0 | 7 | 3302.55 | 0.3 | 1 | 18 | 15 - 30 | 1 | interf. by H2O < 15km |
| 0 | 8 | 3305.54 | 0.4 | 1 | 9 | 12 - 28 | 1 | ~ ok; weak H2O+CO2 interf. |
| 0 | 9 | 3334.3 | 0.3 | 1 | 83 | 14 - 32 | 1 | ~ ok; H2O interf. < 17km |
| 0 | 10 | 3337.15 | 0.3 | 1 | 106 | 15 - 32 | 2 | H2O interf. < 20km |
| 0 | 11 | 3342.65 | 0.2 | 1 | 163 | 17 - 32 | 1 | N2O+CO2 interf. < 20 km |
| 0 | 12 | 3358.47 | 0.2 | 1 | 401 | 15 - 25 | 2 | N2O+CO2 interf. < 20km |
| 0 | 14 | 1438.67 | 0.3 | 1 | 106 | 15 - 25 | 0 | On H2O wing |
| 0 | 15 | 1444.86 | 0.3 | 1 | 163 | 10 - 25 | 0 | interf. by H2O and CH4 |
Remarks:
- (0) Microwindows need validation
- (0) Two microwindows in filter 2 may be used for increasing the number of occultations from which HCN is retrieved, but the S/N ratio should be sufficiently high so that the limited number of windows is compensated by the quality of the observations.
References:
- (0) Zander, R., et al., Concentration of carbonyl sulfide and hydrogen cyanide in the free troposphere and lower stratosphere deduced from ATMOS/ Spacelab 3 infrared solar occultation spectra, J. Geophys. Res., 93, 1669-1678, 1988.