The extratropical upper troposphere and lower stratosphere

A Gettelman, P Hoor, LL Pan, WJ Randel… - Reviews of …, 2011 - Wiley Online Library
The extratropical upper troposphere and lower stratosphere (Ex‐UTLS) is a transition region
between the stratosphere and the troposphere. The Ex‐UTLS includes the tropopause, a …

Planning, implementation, and scientific goals of the Studies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEAC4 …

OB Toon, H Maring, J Dibb, R Ferrare… - Journal of …, 2016 - Wiley Online Library
Abstract The Studies of Emissions and Atmospheric Composition, Clouds and Climate
Coupling by Regional Surveys (SEAC4RS) field mission based at Ellington Field, Texas …

Transport above the Asian summer monsoon anticyclone inferred from Aura Microwave Limb Sounder tracers

M Park, WJ Randel, A Gettelman… - Journal of …, 2007 - Wiley Online Library
Tracer variability above the Asian summer monsoon anticyclone is investigated using Aura
Microwave Limb Sounder (MLS) measurements of carbon monoxide, ozone, water vapor …

Definitions and sharpness of the extratropical tropopause: A trace gas perspective

LL Pan, WJ Randel, BL Gary… - Journal of …, 2004 - Wiley Online Library
Definitions of the extratropical tropopause are examined from the perspective of chemical
composition. Fine‐scale measurements of temperature, ozone, carbon monoxide, and water …

Highly resolved observations of trace gases in the lowermost stratosphere and upper troposphere from the Spurt project: an overview

A Engel, H Bönisch, D Brunner… - Atmospheric …, 2006 - acp.copernicus.org
During SPURT (Spurenstofftransport in der Tropopausenregion, trace gas transport in the
tropopause region) we performed measurements of a wide range of trace gases with …

The Terrain-Induced Rotor Experiment: A field campaign overview including observational highlights

V Grubišić, JD Doyle, J Kuettner… - Bulletin of the …, 2008 - journals.ametsoc.org
The Terrain-Induced Rotor Experiment (T-REX) is a coordinated international project,
composed of an observational field campaign and a research program, focused on the …

Significant radiative impact of volcanic aerosol in the lowermost stratosphere

SM Andersson, BG Martinsson, JP Vernier… - Nature …, 2015 - nature.com
Despite their potential to slow global warming, until recently, the radiative forcing associated
with volcanic aerosols in the lowermost stratosphere (LMS) had not been considered. Here …

A Lagrangian “1‐year climatology” of (deep) cross‐tropopause exchange in the extratropical Northern Hemisphere

H Wernli, M Bourqui - Journal of Geophysical Research …, 2002 - Wiley Online Library
A Lagrangian methodology is applied to operational European Centre for Medium‐Range
Weather Forecasts analyses to study upward cross‐tropopause exchange (troposphere to …

On the structural changes in the Brewer-Dobson circulation after 2000

H Bönisch, A Engel, T Birner, P Hoor… - Atmospheric …, 2011 - acp.copernicus.org
In this paper we present evidence that the observed increase in tropical upwelling after the
year 2000 may be attributed to a change in the Brewer-Dobson circulation pattern. For this …

Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT

P Hoor, C Gurk, D Brunner, MI Hegglin… - Atmospheric …, 2004 - acp.copernicus.org
We present airborne in-situ trace gas measurements which were performed on eight
campaigns between November 2001 and July 2003 during the SPURT-project …