3rd International Workshop on Stratospheric Sulfur and its Role in Climate (SSiRC)

*****UPDATE!!! Workshop now having to be further rescheduled for March/April 2022 ****** (original plan to reschedule for in-person meeting 20th to 22nd April 2021 not possible)

(2020 workshop (30th Mar to 1st Apr) postponed due to CoViD-19)”

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It is with a heavy heart that the organising committee have had to make the decision that the right course of action is to postpone the workshop. All registration fees paid up front will be re-imbursed in full, the SSiRC steering group resolved to roll forward the admin fee into the costs for the next workshop.

We are considering the extent to which we can still benefit from the time and effort people have put in to preparing Abstracts to explain their current research findings. 
Aerosol and, therefore, sulfur play a key role in the climate system. In recognition of their importance, the WCRP's (World Climate Research Programme) SPARC (Stratospheric Processes and their Role in Climate) SSiRC activity is sponsoring this 3rd scientific workshop to facilitate an improved understanding on the way that the stratospheric aerosol layer will be affected by on-going climate change and how the stratospheric aerosol layer itself drives climate change.
The meeting’s focus will be on observations and modelling of the stratospheric aerosol layer and its sources and, particularly, to understand volcanic impacts on stratospheric composition and climate. Other related research topics are welcome, including:

• Recent volcanic activity (e.g., Raikoke) and the scientific response to them.
• Recent field campaigns (e.g. StratoClim, AToM and ASPEN).
• Community modelling activities (e.g. ISA-MIP, VolMIP and GeoMIP).
• Related science programs (e.g. OCTAV-UTLS, CCMI, PAGES and VICS).
• Measurements and modelling of aerosol precursors such as SO2, OCS, and others.

Please note, the abstract submission and standard registration deadline is 16 February 2020.
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Invited Speakers
Gabi Hegerl (Univ. Edinburgh, UK): “Volcanic influences on historical climate change, and the Early 20th Century Warming”
Jean-Paul Vernier (NASA Langley, USA): “Overview of measurements of the Raikoke volcanic aerosol cloud, and the VolRes initiative”
Michael Hoepfner (Kalsruhe Institute for Tech., Germany): “The composition of the Asian Tropopause Aerosol layer: influence from ammonium nitrate“
John Plane (Univ. Leeds, U.K.): “Cosmic dust: sources of meteoric material and their transport to the stratospheric aerosol layer”
Peter Hoor (Johannes Gutenberg Univ. Mainz, Germany): ”Influence of stratospheric circulation changes and strat-trop exchange processes on the stratospheric aerosol layer”

Conference Themes
Monday 30th March - Volcanic impacts on climate and stratospheric chemistry (including ISA-MIP, VolMIP and GeoMIP).
Tuesday 31st March - Observations of the stratospheric aerosol layer and recent volcanic activity (e.g. Raikoke)
Wednesday 1st April - The Asian Tropopause Aerosol Layer, precursor gases and non-sulphate influences (organics, meteoric)
We gratefully acknowledge financial support from NASA to enable PhD students and Early Career Researchers (ECRs) to attend the workshop and SPARC for providing travel support for Scientists from Developing Countries and ECRs. We also appreciate the support of the UK National Centre for Atmospheric Science for the use of their Fairburn House building for one of the workshop sessions.
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