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Insight from ozone and water vapour on transport in the tropical tropopause layer (TTL)
ozone and water vapour the tropical tropopause layer (TTL)
2011/1/19
We explore the potential of ozone observations to constrain transport processes in the tropical tropopause layer (TTL), and contrast it with insights that can be obtained from water vapour. Global fie...
Air mass origins influencing TTL chemical composition over West Africa during 2006 summer monsoon
Air mass origins TTL chemical composition West Africa 2006 summer monsoon
2010/11/30
Trace gas and aerosol data collected in the tropical tropopause layer (TTL) between 12–18.5 km by the M55 Geophysica aircraft as part of the SCOUT-AMMA campaign over West Africa during the summer mons...
A model study on the influence of overshooting convection on TTL water vapour
overshooting convection TTL water vapour
2010/10/21
Overshooting deep convection that penetrates into the Tropical Tropopause Layer (TTL) is thought to have an important role in regulating the water vapour content of this region. Yet, the net effect of...
A climatological perspective of deep convection penetrating the TTL during the Indian summer monsoon from the AVHRR and MODIS instruments
deep convection the TTL the Indian summer monsoon the AVHRR and MODIS instruments
2010/8/13
The impact of very deep convection on the water budget and thermal structure of the tropical tropopause layer is still not well quantified, not least because of limitations imposed by the available ob...
Composition of the TTL over Darwin: local mixing or long-range transport?
TTL Darwin long-range transport
2009/11/9
We present ozone and carbon monoxide measurements taken in Darwin, Australia, during the wet season of 2005/2006, to examine whether the composition of the Tropical Tropopause Layer (TTL) reflects tha...
Modelling study of the impact of deep convection on the UTLS air composition – Part 2: Ozone budget in the TTL
deep convection UTLS air composition Ozone budget TTL
2009/1/7
In this second part of a series of two papers which aim to study the local impact of deep convection on the chemical composition of the Upper Troposphere and Lower Stratosphere (UTLS), we focus on ozo...
A study of the effect of overshooting deep convection on the water content of the TTL and lower stratosphere from Cloud Resolving Model simulations
overshooting deep convection TTL lower stratosphere Cloud Resolving Model
2008/12/19
Simulations of overshooting, tropical deep convection using a Cloud Resolving Model with bulk microphysics are presented in order to examine the effect on the water content of the TTL (Tropical Tropop...
Long-term climatology of air mass transport through the Tropical Tropopause Layer (TTL) during NH winter
Long-term climatology mass transport Tropical Tropopause Layer (TTL) NH winter
2008/10/30
A long-term climatology of air mass transport through the tropical tropopause layer (TTL) is presented, covering the period from 1962–2005. The transport through the TTL is calculated with a Lagrangi...