AC SAF HCHO tropospheric column L3 data from GOME-2, v1

GOME2A level-3 gridded tropospheric HCHO column, version 1. Monthly grids at spatial resolution of 0.2°x0.2°. Based on the QA4ECV GOME2A Level 2 Formaldehyde Total Column product. Version 1. In addition to the main product results, such as HCHO slant column, vertical column and air mass factor, the level 3 data files contain several additional parameters and diagnostic information such as uncertainties, a priori profiles and averaging kernels. Created for the ESA CCI ozone and aerosol precursors project.