UV-Visible DOAS Research
The UV-Vis DOAS group
The DOAS group concentrates on atmospheric chemistry related research,
based on observations performed using the so-called
Differential Optical Absorption Spectroscopy (DOAS) technique.
Retrieval algorithms applied to ground-based and satellite instruments are
developed and used to monitor the atmospheric concentration of a number of important
trace gases like O3, NO2, BrO, OClO, HCHO, SO2, CHOCHO, etc.
These activities are performed in the context of the BIRA-IASB contribution
to international ground-based networks
(e.g. the NDACC) and to
European atmospheric chemistry satellite missions like
The group is lead by
Van Roozendael. See the members of our group here
Recent highlight (previous)
Installation of a new MAXDOAS instrument in Kinshasa,
Democratic Republic of the Congo
Space-based measurements indicate that Central Africa is a global hotspot of formaldehyde
This is due to biomass burning and to the emissions of the vegetation itself.
African megacities also suffer from poor air quality associated with
the widespread use of domestic combustion for cooking and old car fleets,
which lead to large amounts of PMs and NOx. Due to the rapid demographic growth, the air pollution is expected to further deteriorate in African megacities. There are thus clear interests for local measurements in megacities of Central Africa,
from scientific but also public health perspectives.