This study examines the spatiotemporal variations of PM 2.5, PM 10, SO 2, O 3, NO, and NO
2 concentrations in Northwestern South America (NWSA). We assess the efficacy of existing …

An accurate quantification of surface emissions and of their evolution over time is essential
to understand and simulate the composition of the atmosphere and its trends. This chapter …

Abstract The Copernicus Atmosphere Monitoring Service (CAMS) provides daily analyses
and forecasts of the composition of the atmosphere, including the reactive gases such as O …

The Raikoke volcano erupted on 21–22 June 2019 and emitted large amounts of volcanic
ash into the upper troposphere, and later might impose long-term effects on the global and …

A persistent stratospheric aerosol layer first appeared during July 2019 above Thessaloniki,
Greece (40.5° N, 22.9° E). It was initially at 12 km and, during August 2019, was even up to …

Volcanic eruptions eject large amounts of ash and trace gases such as sulfur dioxide (SO 2)
into the atmosphere. A significant difficulty in mitigating the impact of volcanic SO 2 clouds …

Abstract​​​​​​​ The 21 June 2019 Raikoke eruption (48° N, 153° E) generated one of
the largest amounts of sulfur emission to the stratosphere since the 1991 Mt. Pinatubo …

This research delves into an extensive examination of Sulphur dioxide (SO 2) column
density patterns within the Tashkent region, Uzbekistan, employing advanced spatial …

The eruptions of the Tajogaite volcano on the western flank of the Cumbre Vieja ridge on the
island of La Palma between September and December 2021 released large amounts of ash …

Operational forecasts of volcanic clouds are a key decision-making component for civil
protection agencies and aviation authorities during the occurrence of volcanic crises …