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Regional modelling of tracer transport by tropical convection – Part 1: Sensitivity to convection parameterization
tracer transport tropical convection convection parameterization
2009/9/27
The general objective of this series of papers is to evaluate long duration limited area simulations with idealised tracers as a tool to assess tracer transport in chemistry-transport models (CTMs). I...
Evidence for ice particles in the tropical stratosphere from in-situ measurements
ice particles tropical stratosphere in-situ measurements
2009/9/23
In-situ ice crystal size distribution measurements are presented within the tropical troposphere and lower stratosphere. The measurements were performed using a combination of a Forward Scattering Spe...
Variability of residence time in the Tropical Tropopause Layer during Northern Hemisphere winter
residence time Tropical Tropopause Layer Northern Hemisphere winter
2009/9/22
For the first time the long-term interannual and spatial variability of residence time (τ) is presented for the TTL between 360 K and 400 K potential temperature (~14 to 18 km altitude). The analysis ...
Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During
strong tropical cyclone affecting China tropical cyclone landfall tropical cyclone China
2009/8/28
Based on tropical cyclone track dataset in the western North Pacific from China Meteorological Administration (CMA), variations in frequency and intensity of tropical cyclones (TCs) in the western Nor...
A statistical analysis of the influence of deep convection on water vapor variability in the tropical upper troposphere
deep convection water vapor variability tropical upper troposphere
2009/8/18
The factors that control the influence of deep convective detrainment on water vapor in the tropical upper troposphere are examined using observations from multiple satellites in conjunction with a tr...
The influence of biogenic emissions from Africa on tropical tropospheric ozone during 2006: a global modeling study
biogenic emissions Africa tropical tropospheric ozone
2009/8/18
We have performed simulations using a 3-D global chemistry-transport model to investigate the influence that biogenic emissions from the African continent exert on the composition of the troposphere i...
Tropical cyclogenesis in a tropical wave critical layer: easterly waves
Tropical cyclogenesis tropical wave critical layer easterly waves
2009/8/7
The development of tropical depressions within tropical waves over the Atlantic and eastern Pacific is usually preceded by a "surface low along the wave" as if to suggest a hybrid wave-vortex structur...
On the importance of small ice crystals in tropical anvil cirrus
small ice crystals tropical anvil cirrus
2009/8/7
In situ measurements of ice crystal concentrations and sizes made with aircraft instrumentation over the past two decades have often indicated the presence of numerous relatively small (< 50 μm diamet...
Evaluation of balloon and satellite water vapour measurements in the Southern tropical and subtropical UTLS during the HIBISCUS campaign
Southern tropical subtropical UTLS HIBISCUS campaign
2009/8/7
Balloon water vapour in situ and remote measurements in the tropical upper troposphere and lower stratosphere (UTLS) obtained during the HIBISCUS campaign around 20° S in Brazil in February–March 2004...
Exposure-plant response of ambient ozone over the tropical Indian region
Exposure-plant response ambient ozone tropical Indian region
2009/8/7
A high resolution regional chemistry-transport model has been used to study the distribution of exposure-plant response index (AOT40, Accumulated exposure Over a Threshold of 40 ppb, expressed as ppb ...
Aerosol composition of the tropical upper troposphere
Aerosol composition tropical upper troposphere
2009/7/15
Aerosol composition was measured by the NOAA single-particle mass spectrometer (PALMS) aboard the NASA WB-57 high altitude aircraft platform during two Aura Validation Experiment (AVE) campaigns based...
Flux estimates of isoprene, methanol and acetone from airborne PTR-MS measurements over the tropical rainforest during the GABRIEL 2005 campaign
Flux estimates isoprene methanol airborne PTR-MS tropical rainforest
2009/7/15
Tropical forests are a strong source of biogenic volatile organic compounds (BVOCs) to the atmosphere which can potentially impact the atmospheric oxidation capacity. Here we present airborne and grou...
On the Formation and Structure of Tropical Hurricanes
Formation Structure Tropical Hurricanes
2009/6/22
On the Formation and Structure of Tropical Hurricanes.
The zonal structure of tropical O3 and CO as observed by the Tropospheric Emission Spectrometer in November 2004 – Part 2: Impact of surface emissions on O3 and its precursors
Tropospheric Emission Spectrometer surface emissions O3
2009/6/16
The impact of surface emissions on the zonal structure of tropical tropospheric ozone and carbon monoxide is investigated for November 2004 using satellite observations, in-situ measurements, and chem...
The zonal structure of tropical O3 and CO as observed by the Tropospheric Emission Spectrometer in November 2004 – Part 1: Inverse modeling of CO emissions
Tropospheric Emission Spectrometer Inverse modeling CO emissions
2009/6/16
We conduct an inverse modeling analysis of measurements of atmospheric CO from the TES and MOPITT satellite instruments using the GEOS-Chem global chemical transport model to quantify emissions of CO ...