Description:

This session invites studies addressing upper tropospheric and stratospheric aerosols and interactions with chemistry, dynamics and climate. Of particular interest are 1) studies examining upper troposphere/lower stratosphere aerosols using measurements from recent field campaigns, and 2) studies on chemical and dynamical perturbations on the upper troposphere and stratosphere due to episodic events such as large pyro-cumulonimbus events and volcanic eruptions that reach the stratosphere and 3) perturbations caused by the space flight industry and 4) stratospheric aerosol-ozone-climate interactions associated with geo-engineering schemes. Observational and modeling studies ranging from local to global spatial scales and seasonal to centennial time scales are welcome.