A method for cross-calibrating geostationary and polar orbiting satellite sensors in the infrared windows

The forward radiative transfer routine has been used to remove the artefact caused by modulation on meteorological satellite-sensor responses. This paper describes a direct method where images observed by the infrared channels aboard the Multi-functional Transport Satellite (MTSAT-1R) and Fengyun-2C (FY-2C) geostationary satellites are compared with those by the Advanced Very High Resolution Radiometer (AVHRR) sensor aboard the National Oceanic and Atmospheric Administration (NOAA) polar-orbiting satellites. The calibration differences between the polar orbiting and the geostationary satellites are found to be within 1 K of each other.