Advanced scientific algorithms are applied to satellite observations to make satellite products for use by the global operational and scientific user communities. In particular satellite products are a key input to Earth System Modelling at centres around the world. CGMS strives to ensure global consistency of product science and algorithms, through a continuous dialogue with remote sensing scientists and the user community. The topics being addressed include product algorithms, quality control, validation and product formats.
Satellite instrument calibration is crucial for achieving global products of high quality, and CGMS therefore has also established a global framework for inter-satellite cross-calibration (GSICS).