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https://doi.org/10.5194/acpd-6-12469-2006
© Author(s) 2006. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
https://doi.org/10.5194/acpd-6-12469-2006
© Author(s) 2006. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
04 Dec 2006
Status: this preprint was under review for the journal ACP. A revision for further review has not been submitted.
Isentropic advection and convective lifting of water vapor in the UT – LS as observed over Brazil (22° S) in February 2004 by in situ high-resolution measurements of H2O, CH4, O3 and temperature
Abstract. The micro-SDLA balloonborne diode laser spectrometer was flown twice from Bauru (22° S, Brazil) in February 2004 during HIBISCUS to yield in situ H2O measurements in the Upper Troposphere (UT) and Lower Stratosphere (LS) and in particular in the Tropical Tropopause Layer (TTL). The overall TTL was found warmer (with a subsaturated cold point near –79°C) and the LS moister compared to former measurements obtained in tropical oceanic conditions. The use of specific balloons with a slow descent, combined with the high-resolution of the laser sensor, allowed us to observe in situ in the UT, the TTL and the LS several thin layers correlated on H2O, CH4, O3, temperature and PV. A component of these layers is associated with the isentropic transport into the UT- LS of extratropical stratospheric air masses. Moreover, the examination of temperature and tracer (CH4, O3) profiles gives insights on the potential contribution of convective transport of H2O in the TTL.
How to cite. Durry, G., Huret, N., Hauchecorne, A., Marecal, V., Pommereau, J.-P., Jones, R. L., Held, G., Larsen, N., and Renard, J.-B.: Isentropic advection and convective lifting of water vapor in the UT – LS as observed over Brazil (22° S) in February 2004 by in situ high-resolution measurements of H2O, CH4, O3 and temperature, Atmos. Chem. Phys. Discuss., 6, 12469–12501, https://doi.org/10.5194/acpd-6-12469-2006, 2006.
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Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC S5227: 'Anonymous Referee', Anonymous Referee #3, 10 Dec 2006
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RC S5525: 'Anonymous Referee Comment', Anonymous Referee #4, 19 Dec 2006
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RC S5829: 'Review report for Durry et al.', Anonymous Referee #5, 30 Dec 2006
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RC S5942: 'Referee report', Franz Immler, 04 Jan 2007
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RC S5986: 'Referee comment', Anonymous Referee #1, 05 Jan 2007
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
-
RC S5227: 'Anonymous Referee', Anonymous Referee #3, 10 Dec 2006
-
RC S5525: 'Anonymous Referee Comment', Anonymous Referee #4, 19 Dec 2006
-
RC S5829: 'Review report for Durry et al.', Anonymous Referee #5, 30 Dec 2006
-
RC S5942: 'Referee report', Franz Immler, 04 Jan 2007
-
RC S5986: 'Referee comment', Anonymous Referee #1, 05 Jan 2007
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Cited
8 citations as recorded by crossref.
- A study of the effect of overshooting deep convection on the water content of the TTL and lower stratosphere from Cloud Resolving Model simulations D. Grosvenor et al. 10.5194/acp-7-4977-2007
- Particle backscatter and relative humidity measured across cirrus clouds and comparison with microphysical cirrus modelling M. Brabec et al. 10.5194/acp-12-9135-2012
- Laser diode spectroscopy of H2O at 2.63 μm for atmospheric applications G. Durry et al. 10.1007/s00340-007-2884-3
- Global water vapour distribution in the upper troposphere and lower stratosphere during CRISTA 2 B. Schaeler et al. 10.1016/j.asr.2008.06.019
- Solid particles in the tropical lowest stratosphere J. Nielsen et al. 10.5194/acp-7-685-2007
- Evaluation of balloon and satellite water vapour measurements in the Southern tropical and subtropical UTLS during the HIBISCUS campaign N. Montoux et al. 10.5194/acp-9-5299-2009
- Mesoscale modelling of water vapour in the tropical UTLS: two case studies from the HIBISCUS campaign V. Marécal et al. 10.5194/acp-7-1471-2007
- Variability of cirrus clouds in a convective outflow during the Hibiscus campaign F. Fierli et al. 10.5194/acp-8-4547-2008
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Latest update: 25 Apr 2024
G. Durry
Service d'Aéronomie, CNRS and Institut Pierre Simon Laplace, Route des Gatines, Verrière le Buisson cedex, 91371, France
Groupe de Spectroscopie Moléculaire et Atmosphérique, CNRS and Université de Reims, Moulin de la Housse, B.P. 1039, 51687 Reims Cedex, France
N. Huret
Laboratoire de Physique et Chimie de l'Environnement, CNRS and Université d'Orléans, 3A Avenue de la Recherche Scientifique, 45071 Orléans cedex 2, France
A. Hauchecorne
Service d'Aéronomie, CNRS and Institut Pierre Simon Laplace, Route des Gatines, Verrière le Buisson cedex, 91371, France
V. Marecal
Laboratoire de Physique et Chimie de l'Environnement, CNRS and Université d'Orléans, 3A Avenue de la Recherche Scientifique, 45071 Orléans cedex 2, France
J.-P. Pommereau
Service d'Aéronomie, CNRS and Institut Pierre Simon Laplace, Route des Gatines, Verrière le Buisson cedex, 91371, France
R. L. Jones
Center for Atmospheric Science, University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
G. Held
N. Larsen
J.-B. Renard
Laboratoire de Physique et Chimie de l'Environnement, CNRS and Université d'Orléans, 3A Avenue de la Recherche Scientifique, 45071 Orléans cedex 2, France
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