Mission Status: in planning
Christiane Voigt (DLR-IPA & University of Mainz)
Yafang Cheng (MPIC)
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Short summary: AEROCLOUD-FIRE will provide a comprehensive data set on aerosol and cloud properties over America and Europe to advance our understanding on the effects of aircraft and wildfire emissions on clouds, dynamics and climate.
Aerosol-cloud interactions are amongst the least understood atmospheric processes in our climate system. Aerosol emissions from aircraft are expected to triple by 2050 and suggest strong increases in climate-warming contrails. Already today, contrails have a significant share to the total aviation climate effects. Yet, the exact magnitude of the contrail climate effects is highly uncertain and contrail formation at low soot emission levels on volatile aerosol is unexplored. Furthermore, climate change increases the frequency and intensity of wildfires. Aerosol-cloud-radiation interactions can influence atmospheric dynamics, plume transport and evolution, thereby potentially amplifying the impact of wildfires on climate and the environment.
The AEROCLOUD-FIRE campaign combines a novel set of in-situ aerosol, cloud and trace gas instruments, ion- and aerosol mass spectrometers, a cloud chamber, and the WALES lidar onboard HALO to accurately detect chemical, microphysical and radiative properties of aircraft and wildfire plumes. AEROCLOUD-FIRE will be supported by numerical simulations and satellite observations and is linked to international research projects (e.g. EU Horizon Europe, NASA, MIT).
In summer 2027, HALO will perform a measurement campaign to detect wildfire plumes, aerosol and contrails above North America and Europe.
AEROCLOUD-FIRE will provide new data and insights into
Aviation Objective AO1: the microphysical properties of contrail cirrus to advance our understanding of contrail evolution and climate effect,
Aviation Objective AO2: the unresolved topic of contrail formation at low soot emission levels (e.g. by lean burn engines) – possibly induced by ions, sulfate, lubrication oil or ambient aerosol,
Aviation Objective AO3: the aerosol and cirrus distributions in the background and in perturbed conditions, as well as aerosol processing in the exhaust plume.
HALO will also execute a flight series from US/Canada to capture and track North American wildfire events and follow smoke plumes as they transverse over the Atlantic. HALO is ideally equipped to provide critical data and insights into:
FIRE Objective FO1: the frequency and mechanisms of transport of wildfire smoke plumes from the boundary layer to the upper troposphere and lower stratosphere (UTLS),
FIRE Objective FO2: the microphysical and chemical processes by which the aerosols and gaseous pollutants evolve within the plume and are removed from the atmosphere,
FIRE Objective FO3: aerosol-radiation-cloud interactions of wildfire-related soot and organic particles.
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No blueprints available yet.
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