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  List of Accepted Contributions - AS1.09 The tropical tropopause region

Please, click Abstract Number to find the corresponding abstract as PDF file; if necessary, download Adobe Acrobat Reader 4.0 first to open the file. Any abstract may be freely reproduced for non-commercial, scientific purposes; however, the moral right of the author(s) to be identified as the author(s) of such abstracts is asserted.

Dorf, M.; Bösch, H.; Butz, A.; Camy-Peyret, C.; Chipperfield, M. P.; Feng, W.; Grunow, K.; Kritten, L.; Weidner, F.; Pfeilsticker, K.
Comparison of measured and modelled stratospheric BrO profiles: The need for short-lived bromo-organic source gases

Schuck, T.J.; Arnold, F.; Nau, R.; Fiedler, V.; Schlager, H.; Stohl, A.
Sulfur Dioxide Pollution of the Upper Troposphere over Brazil

Overview of the ACTIVE field campaign

Tuck, A. F.; Richard, E. C.; Hovde, S. J.; Herman, R. L.
A dehydration mechanism in the lower tropical stratosphere

Jaya Rao, Y; Devara, P C S; Ernest Raj, P; Narayana Rao, D; Schiller, C
Vertical Velocity and Heating Rates Associated With Tropical Cirrus: Combained Lidar and MST Radar Observations

Robinson, AD; Gostlow, B; O'Brien, L; Levine, J; Harris, NRP; Pyle, JA
Halocarbon measurements in the tropical free troposphere during ACTIVE in 2005/2006

Fiedler, V.; Aufmhoff, H.; Nau, R.; Kuhlmann, A.; Arnold, F.; Schlager, H.
Sulfur dioxide measurements in the tropical troposphere: Deployment of an aircraft-based CIMS instrument with permanent in-flight calibration during the SCOUT-O3 tropical campaign.

Allen, G; the ACTIVE team
Mid-latitude influences on the Tropical Upper Troposphere during ACTIVE

Knudsen, B. M.; Christensen, T. ; Hertzog, A. ; Deme, A. ; Vial, F. ; Pommereau, J.-P.
Accuracy of Analyzed Temperatures, Winds and Trajectories in the Southern Hemisphere Tropical and Midlatitude Stratosphere as Compared to Long-duration Balloon Flights.

Huntrieser, H.; Schlager, H.; Höller, H.; Schumann, U.; Betz, H.D.; Boccippio, D.; Brunner, D.; Forster, C.; Stohl, A.
Lightning-produced NOx in tropical, subtropical and midlatitude thunderstorms: New insights from airborne and lightning observations

Levine, J.G.; Braesicke, P.; Harris, N.R.P; Savage, N.H.; Pyle, J.A.
Pathways and Timescales for Troposphere-to-Stratosphere Transport via the Tropical Tropopause Layer and their Relevance for Very Short Lived Substances

Voigt, C.; Schlager, H.; Kärcher, B.; Ziereis, H.; Fix, A.; Kiemle, C.; Schiller, C.; Krämer, M.; Borrmann, S.; Vössing, H.-J.
Nitric Acid in Tropical Cirrus Clouds

Ren, C; MacKenzie, A. R.
Forecasting cirrus clouds and water vapour in the tropical tropopause layer

Schiller, C.; Afchine, A.; Rohs, S.; Santos, F.H. ; Spelten, N.
Water vapour profile observations in the tropics

Vössing, H.-J.; Raupach , S. M.; Weigel , R. ; Curtius, J.; Voigt, C.; Schlager, H.; Borrmann, S.
Upper Tropospheric Tropical Ice Clouds: In-situ Measurements of Aerosol covering sizes from 6 nm to 1550 µm and Particle NOy during TROCCINOX and SCOUT-O3

Sinnhuber, B.-M.; Sheode, N.; Burrows, J. P.
Convective transport of short-lived source gases into the tropical tropopause region and the stratospheric bromine budget

Kuhn, A. C.; Volk, C. M.; Baehr, J.; Ivanova , E.; Werner, A.; Konopka , P.; Ulanovski , A.; Fierli , F.; Ravegnani , F.
Horizontal exchange between the tropical UTLS and the extratropical stratosphere over South America as observed by in-situ measurements on board the M55 Geophysica

Hamann, U.; Mayer, B.
Impact of clouds on the radiation budget of the tropical tropopause layer

Grunow, K.; Langematz, U.; Pfeilsticker, K.
The stratospheric situation and balloon flight planning during the ENVISAT validation campaign in the tropics

Krüger, K.; Tegtmeier, S.; Schöllhammer, K.; Rex, M.
Multi-year calculations of transport processes in the TTL

Konopka, P.; Günther, G.; Müller, R.; Santos, F.; Ulanovsky, A.; Schlager, H.; Volk, M.; Viciani, S.; Schiller, C.
How permeable is the tropical tropopause ? -- Mixing across the TTL during the TROCCINOX campaign

Voemel, H.; Selkirk, H.; Peng, G.; Valdes, J.; Valverde Canossa, J.; Stolz, W.; Diaz, J.
Dehydration, transport and wave activity in the tropical tropopause layer during the season of warm tropopause temperatures

Curtius, J.; Weigel, R.; Vössing, H.-J.; Minikin, A.; Lovejoy, E. R.; Kazil, J.; Schiller, C.; Stohl, A.; Borrmann, S.
Observations of aerosol nucleation in the tropical UT/LS

Whiteway, J.; Cook, C.; Connolly, P.; Busen, R. ; Vaughan, G.
In situ measurements of humidity in the tropical tropopause region within anvil outflow and clear air

Nielsen, J. K.; Larsen, N.; Cairo, F.; Di Donfrancesco, G.; Rosen, J. M.; Durry, G.
Solid particles in the tropical lowest stratosphere

Yushkov, V.; Sitnikov, N.; Ulanovsky, A.; Ravegnani, F.
Some results of in situ water vapour and ozone measurements in the tropical UTLS on board of high-altitude aircraft M-55 “Geophysica”

Christensen, T.; Knudsen, B. M.; Pommereau, J.-P.; Letrenne, G.; Vial, F.; Hertzog, A.
Validation of ECMWF ERA-40 tropical lower stratosphere temperatures and winds with long-duration balloon data

Borrmann, S.; Weigel, R. ; Curtius, J. ; Vössing, H.-J.; Raupach, S. ; Volk, C.-M.; Schiller, C.; Ulanovsky, A.
Characterization of ultrafine Aerosols in the tropical and mid-latitude UT/LS by in situ Measurements

von Hobe, M.; Konopka, P.; Günther, G.; Stroh, F.
Chlorine Activation on Cirrus Clouds in the tropical UTLS

Corti, T; Luo, B.P.; Fu, Q.; Vömel, H.; Peter, T.
The impact of cirrus clouds on tropical troposphere-to-stratosphere transport

Gerber, D.; Siddans, R.; Reburn, W. J.; Kerridge, B. J.; Moyna, B. P.; Oldfield, M. L.; Matheson, D. N.
Results from the first deployment of the MARSCHALS mm-wave UTLS limb-sounder in SCOUT-O3

Grosvenor, D. P.; Choularton, T. W.; Coe, H.; Held, G.
Cloud Resolving Model studies of upper tropospheric dehydration due to tropical deep convection observed during HIBISCUS 2004.

Volz-Thomas, A.; Paetz, H.W.; Houben, N.; Berg, M.
Measurements of NOx and CO during the ACTIVE campaign

Oelhaf, H.; Friedl-Vallon, F.; Kleinert, A.; Lengel, A.; Maucher, G.; Nordmeyer, H.; Wetzel, G.; Wiegele, A.
The tropical tropopause layer and lower stratosphere as sounded with MIPAS-B: First results.

Minikin, A.; Curtius, J.; Weigel, R.; Huntrieser, H.; Schlager, H.; Forster, C.; Stohl, A.
Aerosol number concentrations in the upper troposphere over the Atlantic and Brazil and their relation to transport from continental sources and convective regions

Engel, A.; The balloon teams
First results from the tropical Envisat validation campaign: an overview

Baehr, J.; Volk, C. M.; Kuhn, A. C.; Viciani, S.; Ulanovski, A.; Ravegnani, F.; Schlager, H.; Andreae, M.; Konopka, P.; Stohl, A.
Influence of convection on the TTL over Brazil: Analysis of airborne in situ trace gas measurements

Fueglistaler, S.; Mote, P.W.; Dunkerton, T.J.
Characteristics of the tropical tropopause layer

Borchi, F.; Pommereau, J.P.; Hauchecorne, A.
Evaluation of ozonesondes, HALOE, SAGE II and III, Odin-OSIRIS and SMR, and ENVISAT-GOMOS, -SCIAMACHY and -MIPAS o3 profiles in the tropics from SAOZ long duration balloon measurements

Garrett, T.; Dean-Day, J.; Liu, C.; Barnett, B.; Mace, G. ; Baumgardner, D. ; Webster, C.; Bui, T.; Read, W.; Minnis, P.
A mechanism for the formation of TTL cirrus associated with deep convection

Pfister, L; Jensen, E; Read, W
The effect of convection and in-situ dehydration on the tropical tropopause layer (withdrawn)

Immler, F.; Schrems, O.; Krüger, K.; Tegtmeier, S.; Verver, G.; Fortuin, P.
Lidar observations and model studies of subvisible cloud formation at the tropical tropopause.

MacKenzie, A. R.; Schiller, C.; Peter, Th.; the SCOUT-O3 tropical aircraft team
The SCOUT-O3 Tropical Aircraft Campaign Darwin 2005 — an overview

Mitev, V.; Martucci, G.; Matthey, R.
Tropical high-altitude thin cirrus clouds observed with an airborne lidar on M55-Geophysica during the transfer flights in TROCCINOX and SCOUT-O3

Borsche, M.; Kirchengast, G. ; Foelsche, U.; Gobiet, A.; Steiner, A. K.; Schmidt, T.; Wickert, J.
Tropical tropopause variability from four years of CHAMP radio occultation data

Montoux, N.; Hauchecorne, A.; Dalaudier, F.; Bencherif, H.
Determination of the top altitude if high level clouds in the tropics with GOMOS/ENVISAT

Pisso, I.; Legras, B.
Lagrangian reconstructions of chemical tracers nearby the tropical tropopause

Volk, C.M.; Baehr, J.; Homan, C.; Kuhn, A.C.; Werner, A.; Viciani, S.; Ulanovski, A.; Ragegnani, F.; Schlager, H.; Konopka, P.
In situ Tracer Observations during the SCOUT-O3 Tropical Aircraft Campaign: A first analysis of TTL transport and mixing

James, R. ; Legras, B.
Mixing across the subtropical tropopause during PRE-AVE campaign

Bencherif, H.; Semane, N.; Kirgis, G.; Morel, B.; Hauchecorne, A.; Diab, R.D.
Stratospheric ozone variability and anomalies as observed by radiosondes over Irene (25.5°S, 28.1°E), South Africa

Schumann, U.
Global lightning nitrogen oxides source estimate from TROCCINOX data

Pommereau, J.-P.
The HIBISCUS project in Brazil

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