Details:

Personal Author:
Robrecht, Sabine ; Vogel, Bärbel ; Grooß, Jens-Uwe ; Rosenlof, Karen ; Thornberry, Troy ; ... More +
Robrecht, Sabine ; Vogel, Bärbel ; Grooß, Jens-Uwe ; Rosenlof, Karen ; Thornberry, Troy ; Rollins, Andrew ; Krämer, Martina ; Christensen, Lance ; Mülle, Rolf ; Less -
NOAA Program & Office:
OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CSL (Chemical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ;
OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CSL (Chemical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; Less -
Description:
Water vapour convectively injected into the mid-latitude lowermost stratosphere could affect stratospheric ozone. The associated potential ozone loss process requires low temperatures together with elevated water vapour mixing ratios. Since this ozone loss is initiated by heterogeneous chlorine activation on liquid aerosols, an increase in sulfate aerosol surface area due to a volcanic eruption or geoengineering could increase the likelihood of its occurrence. However, the chemical mechanism of this ozone loss process has not yet been analysed in sufficient detail and its sensitivity to various conditions is not yet clear. Under conditions of climate change associated with an increase in greenhouse gases, both a stratospheric cooling and an increase in water vapour convectively injected into the stratosphere are expected. Understanding the influence of low temperatures, elevated water vapour and enhanced sulfate particles on this ozone loss mechanism is a key step in estimating the impact of climate change and potential sulfate geoengineering on mid-latitude ozone.
Keywords:
[+]
Ozone
Water Vapor

Source:
Atmos. Chem. Phys., 19, 5805–5833, 2019
DOI:
https://doi.org/10.5194/acp-19-5805-2019
Document Type:
Journal Article ;
Rights Information:
CC BY
Main Document Checksum:
[+]
urn:sha256:a94bb2bcdc252e768998686ebd60fd3e198915612e7809310ccafd13365e679b
File Type:

Supporting Files

• Dataset available via NASA

  htm

More +