AMSOS - Airborne Microwave Stratospheric Observing System

Airborne Microwave Stratospheric Observing System (AMSOS)

Profile retrieval

Profile retrieval out of a measured spetrum is an inverse problem. We use optimal estimation method (OEM) according to Clive D. Rodgers.

Table: AMSOS profile versions
VersionForward ModelApriori informationModel parameters
(atmosphere)
Model parameters
(spectroscopy)
1 BEAM US-Standard 1976 UK Metoffice
2.0 ARTS ECMWF mean of monthly means from ERA40 globally / US-Standard76 (>45km) ECMWF / CIRA86 (for temperatures above ECMWF grid) HITRAN96