Dynamics and transport of sulfur dioxide in the north Pacific troposphere

2021 ◽  
Author(s):  
Fang Huang Tu
1997 ◽  
Vol 102 (D23) ◽  
pp. 28489-28499 ◽  
Author(s):  
Donald C. Thornton ◽  
Alan R. Bandy ◽  
Byron W. Blomquist ◽  
Robert W. Talbot ◽  
Jack E. Dibb

2015 ◽  
Vol 57 ◽  
Author(s):  
Sean David Egan ◽  
Martin Stuefer ◽  
Peter Webley ◽  
Catherine F. Cahill

We use the Weather Research Forecasting with Chemistry (WRF-Chem) model to simulate the evolution, dispersion and conversion of the sulfur dioxide (SO<sub>2</sub>) plume generated by the 2008 eruption of Kasatochi Volcano in Alaska, USA. About 1.7 Tg of SO<sub>2</sub> were dispersed into the atmosphere during three distinct explosive events. Stratospheric sulfur dioxide conversion chemistry is detailed and model output is compared to remote sensing retrievals from the Ozone Monitoring Instrument (OMI). WRF-Chem generated SO<sub>2</sub> column densities and plume locations similar to those from OMI retrievals as the plume traveled from the North Pacific through the continental United States and Canada. Analysis of SO<sub>2</sub> conversion established an eight day lifetime of SO<sub>2</sub> for the Kastaochi plume, which is a slightly shorter lifetime than derived by other modeling methods.


2019 ◽  
Vol 617-618 ◽  
pp. 221-244 ◽  
Author(s):  
MR Baker ◽  
ME Matta ◽  
M Beaulieu ◽  
N Paris ◽  
S Huber ◽  
...  

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