The main objectives of EUMETSAT Atmospheric Composition SAF (AC SAF, https://acsaf.org/index.html) is to process, archive, validate and disseminate atmospheric composition products from GOME-2 and IASI instruments onboard EUMETSAT Metop satellites. These products include e.g. total columns of different trace gases such as nitrogen dioxide (NO2), ozone (O3) and sulphur dioxide (SO2), tropospheric column of NO2, CO, UV-radiation, aerosol index as well as ozone profiles. This section describes the products relevant for this course obtained from GOME-2 instrument, while IASI products are described in separate section. Important applications of AC SAF data are e.g. monitoring global air quality or UV-radiation reaching the Earth's surface. In this section you will learn about AC SAF data products, what kind of studies they are useful for, and how you can access the data.
AC SAF provides three different types of datasets of GOME-2 observations: Near Real Time, Offline, and Data Records. The datasets that will be used in this course are:
- Level 2 Near Real Time (NRT) data (trace gases)
- Level 2 and Level 3 Offline data (trace gases, absorbing aerosol index)
- Level 3 Data Records (trace gases)