Articles | Volume 20, issue 21
Atmos. Chem. Phys., 20, 12391–12408, 2020
https://doi.org/10.5194/acp-20-12391-2020
Atmos. Chem. Phys., 20, 12391–12408, 2020
https://doi.org/10.5194/acp-20-12391-2020

Research article 30 Oct 2020

Research article | 30 Oct 2020

Gravitational separation of Ar∕N2 and age of air in the lowermost stratosphere in airborne observations and a chemical transport model

Benjamin Birner et al.

Viewed

Total article views: 961 (including HTML, PDF, and XML)
HTML PDF XML Total Supplement BibTeX EndNote
643 298 20 961 47 21 21
  • HTML: 643
  • PDF: 298
  • XML: 20
  • Total: 961
  • Supplement: 47
  • BibTeX: 21
  • EndNote: 21
Views and downloads (calculated since 24 Feb 2020)
Cumulative views and downloads (calculated since 24 Feb 2020)

Viewed (geographical distribution)

Total article views: 1,040 (including HTML, PDF, and XML) Thereof 1,035 with geography defined and 5 with unknown origin.
Country # Views %
  • 1
1
 
 
 
 

Cited

Latest update: 24 Oct 2021
Download
Short summary
With new high-precision observations from nine aircraft campaigns and 3-D chemical transport modeling, we show that the argon-to-nitrogen ratio (Ar / N2) in the lowermost stratosphere provides a useful constraint on the “age of air” (the time elapsed since entry of an air parcel into the stratosphere). Therefore, Ar / N2 in combination with traditional age-of-air indicators, such as CO2 and N2O, could provide new insights into atmospheric mixing and transport.
Altmetrics
Final-revised paper
Preprint