Methane (CH₄)
Important greenhouse gas. Bands at 1660, 2200, 2340 nm.
Temperature:
260 K
Pressure:
0.80 bar
VMR:
2 ppm
L
factor
:
3.00
Elevation:
0 m
FWHM:
8.5 nm
LUT: HITRAN 2020 via RADIS | 2200 spectral points (350–2549 nm @ 1 nm)
T grid: 16 nodes | P grid: 6 nodes