Age of stratospheric air: Progress on processes, observations, and long‐term trends
Age of stratospheric air is a well established metric for the stratospheric transport circulation.
Rooted in a robust theoretical framework, this approach offers the benefit of being deducible …
Rooted in a robust theoretical framework, this approach offers the benefit of being deducible …
Recent decline in extratropical lower stratospheric ozone attributed to circulation changes
The 1998–2016 ozone trends in the lower stratosphere are examined using the Modern‐Era
Retrospective Analysis for Research and Applications Version 2 (MERRA‐2) and related …
Retrospective Analysis for Research and Applications Version 2 (MERRA‐2) and related …
Inconsistencies between chemistry–climate models and observed lower stratospheric ozone trends since 1998
The stratospheric ozone layer shields surface life from harmful ultraviolet radiation.
Following the Montreal Protocol ban on long-lived ozone-depleting substances (ODSs) …
Following the Montreal Protocol ban on long-lived ozone-depleting substances (ODSs) …
GISS model E2. 2: A climate model optimized for the middle atmosphere—2. Validation of large‐scale transport and evaluation of climate response
Here we examine the large‐scale transport characteristics of the new “Middle Atmosphere”
NASA Goddard Institute for Space Studies (GISS) climate model (E2. 2). First, we evaluate …
NASA Goddard Institute for Space Studies (GISS) climate model (E2. 2). First, we evaluate …
Lagrangian transport simulations using the extreme convection parameterization: an assessment for the ECMWF reanalyses
L Hoffmann, P Konopka, J Clemens… - … Chemistry and Physics, 2023 - acp.copernicus.org
Atmospheric convection plays a key role in tracer transport from the planetary boundary
layer to the free troposphere. Lagrangian transport simulations driven by meteorological …
layer to the free troposphere. Lagrangian transport simulations driven by meteorological …
Mechanisms linked to recent ozone decreases in the Northern Hemisphere lower stratosphere
Previous studies have robustly identified a decrease since 1998 in lower stratospheric (LS)
ozone in the Northern Hemisphere (NH). While this ozone decrease is qualitatively …
ozone in the Northern Hemisphere (NH). While this ozone decrease is qualitatively …
[HTML][HTML] Future trends in stratosphere-to-troposphere transport in CCMI models
One of the key questions in the air quality and climate sciences is how tropospheric ozone
concentrations will change in the future. This will depend on two factors: changes in …
concentrations will change in the future. This will depend on two factors: changes in …
On the impact of future climate change on tropopause folds and tropospheric ozone
Using a transient simulation for the period 1960–2100 with the state-of-the-art
ECHAM5/MESSy Atmospheric Chemistry (EMAC) global model and a tropopause fold …
ECHAM5/MESSy Atmospheric Chemistry (EMAC) global model and a tropopause fold …
Large-scale tropospheric transport in the Chemistry–Climate Model Initiative (CCMI) simulations
Understanding and modeling the large-scale transport of trace gases and aerosols is
important for interpreting past (and projecting future) changes in atmospheric composition …
important for interpreting past (and projecting future) changes in atmospheric composition …
[HTML][HTML] The influence of mixing on the stratospheric age of air changes in the 21st century
R Eichinger, S Dietmüller, H Garny… - Atmospheric …, 2019 - acp.copernicus.org
Climate models consistently predict an acceleration of the Brewer–Dobson circulation (BDC)
due to climate change in the 21st century. However, the strength of this acceleration varies …
due to climate change in the 21st century. However, the strength of this acceleration varies …