A simple model to assess the impact of gravity waves on ice-crystal populations in the tropical tropopause layer [PDF]
Atmospheric Chemistry and Physics, 2023 The role of gravity waves on microphysics of tropical cirrus clouds and air-parcel dehydration was studied using the combination of Lagrangian observations of temperature fluctuations and a 1.5D model. High-frequency measurements during isopycnal balloon
M. Corcos +3 more
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Impacts of Ozone Changes in the Tropopause Layer on Stratospheric Water Vapor
Atmosphere, 2021 Stratospheric water vapor (SWV) changes play an important role in regulating global climate change, and its variations are controlled by tropopause temperature.
Jinpeng Lu +3 more
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Effect of deep convection on the tropical tropopause layer composition over the southwest Indian Ocean during austral summer [PDF]
Atmospheric Chemistry and Physics, 2020 Balloon-borne measurements of cryogenic frost-point hygrometer (CFH) water vapor, ozone and temperature and water vapor lidar measurements from the Maïdo Observatory on Réunion Island in the southwest Indian Ocean (SWIO) were used to study tropical ...
S. Evan +14 more
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Temperature and tropopause characteristics from reanalyses data in the tropical tropopause layer [PDF]
Atmospheric Chemistry and Physics, 2020 The tropical tropopause layer (TTL) is the transition region between the well-mixed convective troposphere and the radiatively controlled stratosphere with air masses showing chemical and dynamical properties of both regions.
S. Tegtmeier +14 more
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Effect of tropical cyclones on the tropical tropopause parameters observed using COSMIC GPS RO data [PDF]
Atmospheric Chemistry and Physics, 2015 Tropical cyclones (TCs) are deep convective synoptic-scale systems that play an important role in modifying the thermal structure, tropical tropopause parameters and hence also modify stratosphere–troposphere exchange (STE) processes.
S. Ravindra Babu +4 more
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The tropical tropopause inversion layer: variability and modulation by equatorial waves [PDF]
Atmospheric Chemistry and Physics, 2016 The tropical tropopause layer (TTL) acts as a transition layer between the troposphere and the stratosphere over several kilometers, where air has both tropospheric and stratospheric properties. Within this region, a fine-scale feature is located: the
R. Pilch Kedzierski +3 more
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Influences of Sudden Stratospheric Warming Events on Tropopause Based on GNSS Radio Occultation Data
Atmosphere, 2023 Sudden Stratospheric Warming (SSW) events have a strong impact on the tropospheric weather and climate. Past researchers have carried out extensive studies investigating the theories of interactions between the stratosphere and the troposphere.
Yifan Wang +4 more
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Stable water isotope signals in tropical ice clouds in the West African monsoon simulated with a regional convection-permitting model [PDF]
Atmospheric Chemistry and Physics, 2022 Tropical ice clouds have an important influence on the Earth's radiative balance. They often form as a result of tropical deep convection, which strongly affects the water budget of the tropical tropopause layer.
A. J. de Vries +3 more
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Convective sources of trajectories traversing the tropical tropopause layer [PDF]
Atmospheric Chemistry and Physics, 2016 Transit properties across the tropical tropopause layer are studied using extensive forward and backward Lagrangian diabatic trajectories between cloud tops and the reference surface 380 K.
A.-S. Tissier, B. Legras
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Transport of short-lived species into the Tropical Tropopause Layer [PDF]
Atmospheric Chemistry and Physics, 2012 We use NAME, a trajectory model, to investigate the routes and timescales over which air parcels reach the tropical tropopause layer (TTL). Our aim is to assist the planning of aircraft campaigns focussed on improving knowledge of such transport.
M. J. Ashfold +4 more
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