[Aura] AGU Session on Cirrus and the Chemistry and Dynamics of the UTLS

[Jessica Smith]

Dear Colleagues,

We're writing to encourage members of the Aura Science Team to submit an 
abstract to AGU Fall 2019 session A042 - Cirrus, Chemistry and Dynamics 
of the Upper Troposphere and Lower Stratosphere.

The abstract submission deadline is July 31, 2019. 
https://agu.confex.com/agu/fm19/a/papers/index.cgi?sessionid=83328

Conveners: Jessica B. Smith, Harvard Univ., Cambridge, MA; Elisabeth J. 
Moyer, Univ. of Chicago, Chicago, IL; Troy D. Thornberry, NOAA Earth 
System Research Lab., Boulder, CO; Thomas P. Ackerman, Univ. of 
Washington, Seattle, WA

This session welcomes contributions in several topic areas including: 
the formation, distribution, and lifecycle of cirrus; interactions 
between dynamics and chemistry in the UTLS, including the influence of 
convection; and the impact of the Asian and North American monsoons.


Session details:

A042 - Cirrus, Chemistry and Dynamics of the Upper Troposphere and Lower 
Stratosphere.

Conveners: Jessica B Smith, Harvard Univ., Cambridge , MA; Elisabeth J 
Moyer, Univ. of Chicago, Chicago, IL; Troy D Thornberry, NOAA Earth 
System Research Lab., Boulder, CO; Thomas P Ackerman, Univ. of 
Washington, Seattle, WA

Cirrus clouds in the uppermost troposphere and the chemical composition 
of the upper troposphere/lower stratosphere (UTLS) play an important 
role in Earth’s radiative balance. Changes in cirrus properties and 
coverage and climate feedbacks associated with stratospheric composition 
represent significant uncertainty in projections of global warming. 
However, the UTLS is one of the least understood regions of Earth's 
atmosphere, controlled by a complex interplay of processes from 
global-scale circulations to mesoscale deep convection to local cloud 
radiative effects. This session focuses on the formation, distribution, 
and lifecycle of cirrus; convective influence; the interaction between 
the dynamics and chemistry of the UTLS; and the impact of the Asian and 
North American monsoons. We welcome papers that make use of new in-situ 
measurements and satellite observations, as well as simulations of 
processes impacting the UTLS at present and under future climate 
scenarios, at scales from cloud-resolving to global models.


Thank you,

Jessica B. Smith, Elisabeth J. Moyer, Troy D. Thornberry, and Thomas P. 
Ackerman


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