Combined Catalogue of Sulfur Dioxide Emissions

Sulfur dioxide (SO₂) measurements from three satellite instruments (OMI-OMPS-TROPOMI) were used to update and extend the previously developed global catalogue of large anthropogenic SO₂ emission sources and degassing volcanoes (Fioletov et al., 2016).

This version 2 of the global catalogue, which is described in Fioletov et al. (2022), covers the period of 2005–2021 and includes a total of 759 continuously emitting point sources. The catalogue has been posted at the NASA Global SO₂ Monitoring web site.

The catalogue data show an approximate 50 % decline in global SO₂ emissions between 2005 and 2021, although emissions were relatively stable during the last 3 years.

04.2023

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OMI

Aura’s Ozone Monitoring Instrument (OMI) instrument can distinguish between aerosol types, such as smoke, dust, and sulfates, and measures cloud pressure and coverage, which provides data to derive tropospheric ozone.…

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