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Boundary Layers in High Latitudes: Exploring Physics and Chemistry across Scales
Convener: William Neff  | Co-Conveners: Günther Heinemann , Susanne Preunkert , Anna Jones , Michael Tjernström , Philip Anderson , Thorsten Bartels-Rausch 
 / Tue, 14 Apr, 10:30–12:15
 / Attendance Tue, 14 Apr, 17:30–19:00

Advancing boundary layer physics and chemistry over snow, ice, and water in the high latitudes requires a scientific focus from the molecular scale in snow, ice and water (and ancillary exchanges with the atmosphere) to global scales responsible for long range transport and the weather processes that control exchanges through the boundary layer.
This session is intended to provide an interdisciplinary forum to bring together researchers working in the areas of high-latitude meteorology, boundary layer exchange processes, chemistry, oceanography, and climate. We invite contributions in the following areas:

1. Studies that connect across scales to better understand the boundary layer in the Arctic and Antarctic,
2. Results from field programs and observatories, insights from laboratory studies, and advances in modeling and reanalysis,
3. Advances in observing technology,
4. Surface processes involving snow, sea-ice, water, land/atmosphere chemical exchange,
5. External controls on the boundary layer such as clouds and transport processes,
6. The role of boundary layers in polar climate change and implications of climate change for surface exchange processes, especially in the context of reduced Arctic sea ice and physical and chemical changes associated with an increasing fraction of first year ice.

Given the interdisciplinary nature of this session, we encourage all presentations to start by briefly explaining how their work relates to the broader context. In past years we have requested a schedule where poster sessions follow oral sessions to allow for oral poster introductions. For those who indicate a `no preference` request for the presentation style, we encourage a Part II poster supplement to allow for further discussion.
We would like to encourage young scientist/student presentations by reserving several oral units per session for such papers.