Researchers suggest very short-lived halogens partially to blame for ozonedepletion over the tropics NatureClimate
on the total stratospheric ozone column has been previously described, although a comprehensive understanding of the chemical influence of VSLS on the LS ozone evolution has not been reached yet.to conclude that the dominant cause of the observed trend in LS ozone was dynamics. Based on specified trends in upper tropospheric anthropogenic VSL-Cl, and an assumed increase of 0.
Oceanic VSL-I emissions and a complete tropospheric chemical scheme of natural and anthropogenic VSLS are included to assess the recent past and future evolution of tropical LS ozone. Our results show that VSLS substantially amplify by one quarter the modelled total tropical LS ozone negative trend over 1998–2018. We find that VSLS-mediated ozone depletion occurs due to reactions in concert with natural and anthropogenic VSLS together.
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