El Niño and La Niña events in the tropical Pacific have significant and disrupting impacts on
the global atmospheric and oceanic circulation. El Niño Southern Oscillation (ENSO) …

NRLMSIS® 2.0 is an empirical atmospheric model that extends from the ground to the
exobase and describes the average observed behavior of temperature, eight species …

Chemical ozone destruction occurs over both polar regions in local winter–spring. In the
Antarctic, essentially complete removal of lower-stratospheric ozone currently results in an …

Global surface emissions of nitrogen oxides (NO x) over a 10-year period (2005–2014) are
estimated from an assimilation of multiple satellite data sets: tropospheric NO 2 columns …

We present new insights into the evolution and interactions of stratospheric aerosol using an
updated version of the Whole Atmosphere Community Climate Model (WACCM). Improved …

During boreal summer, much of the water vapor and CO entering the global tropical
stratosphere is transported over the Asian monsoon/Tibetan Plateau (TP) region. Studies …

The Earth Observing System (EOS) Microwave Limb Sounder (MLS) aboard the Aura
satellite has provided daily global HCl profiles since August 2004. We provide a …

The explosive eruption of the Hunga Tonga-Hunga Ha'apai (HTHH) volcano on 15 January
2022 injected more water vapor into the stratosphere and to higher altitudes than ever …

The quality of the version 2.2 (v2. 2) middle atmosphere water vapor and nitrous oxide
measurements from the Microwave Limb Sounder (MLS) on the Earth Observing System …

Dehydration at the tropical cold point tropopause primarily controls the entry value of water
vapor to the stratosphere, with additional (uncertain) contributions from subtropical …