Methane SWIR Absorption (1650 nm)

Secondary CH4 absorption band. Weaker than the 2300 nm band but complementary for matched-filter retrievals. Sentinel-2 SWIR1 (B11) is borderline-useful.

MoleculeCH4
Feature typeabsorption_band
Center nm1650
Range1600 – 1700 nm
Familyoptical