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Items where Author is "Wohltmann, Ingo"

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Article

Article
Rex, M. , Kremser, S. , Huck, P. , Bodeker, G. , Wohltmann, I. , Santee, M. L. and Bernath, P. (2014)
Technical Note: SWIFT - A fast semi-empirical model for polar stratospheric ozone loss ,
Atmospheric Chemistry and Physics, 14 (13), pp. 6545-6555 .
doi:10.5194/acp-14-6545-2014 , hdl:10013/epic.43774
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Article
Rex, M. , Wohltmann, I. , Ridder, T. , Lehmann, R. , Rosenlof, K. , Wennberg, P. , Weisenstein, D. K. , Notholt, J. , Krüger, K. , Mohr, V. and Tegtmeier, S. (2014)
A Tropical West Pacific OH Minimum and Implications for Stratospheric Composition ,
Atmospheric Chemistry and Physics, 14 (9), pp. 4827-4841 .
doi:10.5194/acp-14-4827-2014 , hdl:10013/epic.43546
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Article
Kreyling, D. , Sagawa, H. , Wohltmann, I. , Lehmann, R. and Kasai, Y. (2013)
SMILES zonal and diurnal variation climatology of stratospheric and mesospheric trace gasses: O3, HCl, HNO3, ClO, BrO, HOCl, HO2, and temperature ,
Journal of Geophysical Research-Atmospheres, 118 (20), pp. 11888-11903 .
doi:10.1002/2012JD019420 , hdl:10013/epic.42771

Article
Karpechko, A. Y. , Backman, L. , Thölix, L. , Ialongo, I. , Andersson, M. , Fioletov, V. , Heikkalä, A. , Johnsen, B. , Koskela, T. , Kyrölä, E. , Lakkala, K. , Myhre, C. L. , Rex, M. , Sofieva, V. F. , Tamminen, J. and Wohltmann, I. (2013)
The link between springtime total ozone and summer UV radiation in Northern hemisphere extratropics ,
Journal of Geophysical Research-Atmospheres, 118 (D5), pp. 8649-8661 .
doi:10.1002/jgrd.50601 , hdl:10013/epic.42144

Article
Wohltmann, I. , Wegner, T. , Müller, R. , Lehmann, R. , Rex, M. , Manney, G. L. , Santee, M. L. , Bernath, P. , Suminska-Ebersoldt, O. , Stroh, F. , von Hobe, M. , Volk, C. M. , Hösen, E. , Ravegnani, F. , Ulanovsky, A. and Yushkov, V. (2013)
Uncertainties in modeling heterogeneous chemistry and Arctic ozone depletion in the winter 2009/2010 ,
Atmospheric Chemistry and Physics, 13 (8), pp. 3909-3929 .
hdl:10013/epic.41378

Article
Adams, C. , Strong, K. , Zhao, X. , Bourassa, A. E. , Daffer, W. H. , Degenstein, D. A. , Drummond, J. R. , Farahani, E. E. , Fraser, A. , Lloyd, N. D. , Manney, G. L. , McLinden, C. A. , Rex, M. , Roth, C. , Strahan, S. E. , Walker, K. A. and Wohltmann, I. (2013)
The spring 2011 final stratospheric warming above Eureka: anomalous dynamics and chemistry ,
Atmospheric Chemistry and Physics, 13 (2), pp. 611-624 .
doi:10.5194/acp-13-611-2013 , hdl:10013/epic.40683

Article
von Hobe, M. , Bekki, S. , Borrmann, S. , Cairo, F. , D'Amato, F. , Di Donfrancesco, G. , Dörnbrack, A. , Ebersoldt, A. , Ebert, M. , Emde, C. , Engel, I. , Ern, M. , Frey, W. , Genco, S. , Griessbach, S. , Grooß, J. U. , Gulde, T. , Günther, G. , Hösen, E. , Hoffmann, L. , Homonnai, V. , Hoyle, C. R. , Isaksen, I. S. A. , Jackson, D. R. , Jánosi, I. M. , Jones, R. , Kandler, K. , Kalicinsky, C. , Keil, A. , Khaykin, S. M. , Khosrawi, F. , Kivi, R. , Kuttippurath, J. , Laube, J. C. , Lefèvre, F. , Lehmann, R. , Ludmann, S. , Luo, B. P. , Marchand, M. , Meyer, J. , Mitev, V. , Molleker, S. , Müller, R. , Oelhaf, H. , Olschewski, F. , Orsolini, Y. , Peter, T. , Pfeilsticker, K. , Piesch, C. , Pitts, M. C. , Poole, L. R. , Pope, F. D. , Ravegnani, F. , Rex, M. , Riese, M. , Röckmann, T. , Rognerud, B. , Roiger, A. , Rolf, C. , Santee, M. L. , Scheibe, M. , Schiller, C. , Schlager, H. , Siciliani de Cumis, M. , Sitnikov, N. , Søvde, O. A. , Spang, R. , Spelten, N. , Stordal, F. , Suminska-Ebersoldt, O. , Ulanovski, A. , Ungermann, J. , Viciani, S. , Volk, C. M. , vom Scheidt, M. , von der Gathen, P. , Walker, K. , Wegner, T. , Weigel, R. , Weinbuch, S. , Wetzel, G. , Wienhold, F. G. , Wohltmann, I. , Woiwode, W. , Young, I. A. K. , Yushkov, V. , Zobrist, B. and Stroh, F. (2013)
Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions (RECONCILE): activities and results ,
Atmospheric Chemistry and Physics, 13 , pp. 9233-9268 .
doi:10.5194/acp-13-9233-2013 , hdl:10013/epic.40685

Article
Blessmann, D. , Wohltmann, I. and Rex, M. (2012)
Influence of transport and mixing in autumn on stratospheric ozone variability over the Arctic in early winter ,
Atmospheric Chemistry and Physics, 12 , pp. 7921-7930 .
doi:10.5194/acp-12-7921-2012 , hdl:10013/epic.39946

Article
Blessmann, D. , Wohltmann, I. , Lehmann, R. and Rex, M. (2012)
Persistence of ozone anomalies in the Arctic stratospheric vortex in autumn ,
Atmospheric Chemistry and Physics, 12 (11), pp. 4817-4823 .
doi:10.5194/acp-12-4817-2012 , hdl:10013/epic.39441

Article
Manney, G. L. , Santee, M. L. , Rex, M. , Livesey, N. J. , Pitts, M. C. , Veefkind, P. , Nash, E. R. , Wohltmann, I. , Lehmann, R. , Froidevaux, L. , Poole, L. R. , Schoeberl, M. R. , Haffner, D. P. , Davies, J. , Dorokhov, V. , Gernandt, H. , Johnson, B. , Kivi, R. , Kyrö, E. , Larsen, N. , Levelt, P. F. , Makshtas, A. , McElroy, C. T. , Nakajima, H. , Parrondo, M. C. , Tarasick, D. W. , von der Gathen, P. , Walker, K. A. and Zinoviev, N. S. (2011)
Unprecedented Arctic ozone loss in 2011 ,
Nature, 478 (7370), pp. 469-475 .
doi:10.1038/nature10556 , hdl:10013/epic.38387

Article
Schofield, R. , Fueglistaler, S. , Wohltmann, I. and Rex, M. (2011)
Sensitivity of stratospheric Bry to uncertainties in very short lived substance emissions and atmospheric transport ,
Atmospheric Chemistry and Physics. 11 , pp. 1379-1392 .
doi:10.5194/acp-11-1379-2011 , hdl:10013/epic.36816
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Article
Wohltmann, I. , Lehmann, R. and Rex, M. (2010)
The Lagrangian chemistry and transport model ATLAS: Simulation and validation of stratospheric chemistry and ozone loss in the winter 1999/2000 ,
Geoscientific Model Development, 3 , pp. 585-601 .
hdl:10013/epic.36175

Article
Wohltmann, I. and Rex, M. (2009)
The Lagrangian chemistry and transport model ATLAS: validation of advective transport and mixing ,
Geoscientific Model Development, 2 , 153-173 .
hdl:10013/epic.33502

Article
Kremser, S. , Wohltmann, I. , Rex, M. , Langematz, U. , Dameris, M. and Kunze, M. (2009)
Water vapour transport in the tropical tropopause region in coupled Chemistry-Climate Models and ERA-40 reanalysis data ,
Atmospheric Chemistry and Physics, 9 (8), 2679-2694 .
hdl:10013/epic.32548

Article
Wohltmann, I. and Rex, M. (2008)
Improvement of vertical and residual velocities in pressure or hybrid sigma-pressure coordinates in analysis data in the stratosphere ,
Atmospheric chemistry and physics , 8 (2), pp. 265-272 .
hdl:10013/epic.28792

Article
Harris, N. R. P. , Kyrö, E. , Staehelin, J. , Brunner, D. , Andersen, S. B. , Godin-Beekmann, S. , Dhomse, S. , Hadjinicolaou, P. , Hansen, G. , Isaksen, I. , Jrrar, A. , Karpetchko, A. , Kivi, R. , Knudsen, B. , Krizan, P. , Lastovicka, J. , Maeder, J. , Orsolini, Y. , Pyle, J. A. , Rex, M. , Vanicek, K. , Weber, M. , Wohltmann, I. , Zanis, P. and Zerefos, C. (2008)
Ozone trends at northern mid- and high latitudes - a European perspective ,
Annales Geophysicae, 26 , pp. 1207-1220 .
hdl:10013/epic.30579

Article
Schofield, R. , Frieler, K. , Wohltmann, I. , Rex, M. , von Hobe, M. , Stroh, F. , Koch, G. , Peter, T. , Canty, T. , Salawitch, R. and Volk, C. M. (2008)
Polar stratospheric chlorine kinetics from a self-match flight during SOLVE-II/EUPLEX ,
Geophysical Research Letters, 35, L01807 .
doi:10.1029/2007GL031740 , hdl:10013/epic.28760

Article
Tegtmeier, S. , Rex, M. , Wohltmann, I. and Krüger, K. (2008)
Relative importance of dynamical and chemical contributions to Arctic wintertime ozone ,
Geophysical Research Letters, 35, L17801 .
doi:10.1029/2008GL034250 , hdl:10013/epic.31280

Article
Tegtmeier, S. , Krüger, K. , Wohltmann, I. , Schoellhammer, K. and Rex, M. (2008)
Variations of the residual circulation in the northern hemispheric winter ,
Journal of Geophysical Research, 113, D16109 .
doi:10.1029/2007JD009518 , hdl:10013/epic.30962

Article
Kivi, R. , Kyrö, E. , Turunen, T. , Harris, N. R. P. , von der Gathen, P. , Rex, M. , Anderson, S. B. and Wohltmann, I. (2007)
Ozonesonde observations in the Arctic during 1989-2003: ozone variability and trends in lower stratosphere and free troposphere ,
Journal of geophysical research-atmospheres, 112, D08306 .
doi:10.1029/2006JD007271 , hdl:10013/epic.26573

Article
Mäder, J. , Staehelin, J. , Brunner, D. , Stahel, W. , Wohltmann, I. and Peter, T. (2007)
Statistical modeling of total ozone: Selection of appropriate explanatory variables ,
Journal of geophysical research-atmospheres, 112, D11108 .
doi:10.1029/2006JD007694 , hdl:10013/epic.26763

Article
Wohltmann, I. , Lehmann, R. , Rex, M. , Brunner, D. and Mäder, J. A. (2007)
A process-oriented regression model for column ozone ,
Journal of geophysical research-atmospheres, 112, D12304 .
doi:10.1029/2006JD007573 , hdl:10013/epic.26819

Article
Offermann, D. , Jarisch, M. , Oberheide, J. , Gusev, O. , Wohltmann, I. , Russell III, J. M. and Mlynczak, M. G. (2006)
Global wave activity from upper stratosphere to lower thermosphere: A new turbopause concept ,
Journal of atmospheric and solar-terrestrial physics, 68 (15), pp. 1709-1729 .
doi:10.1016/j.jastp.2006.01.013 , hdl:10013/epic.23162

Article
Dhomse, S. , Weber, M. , Wohltmann, I. , Rex, M. and Burrows, J. (2006)
On the possible causes of recent increases in northern hemispheric total ozone from a statistical analysis of satellite data from 1979 to 2003 ,
Atmospheric chemistry and physics, 6 (5), pp. 1165-1180 .
hdl:10013/epic.23447

Article
Zanis, P. , Maillard, E. , Staehelin, J. , Zerefos, C. , Kosmidis, E. , Tourpali, K. and Wohltmann, I. (2006)
On the turnaround of stratospheric ozone trends deduced from the re-evaluated Umkehr record of Arosa, Switzerland ,
Journal of geophysical research-atmospheres, 111, D22307 .
doi:10.1029/2005JD006886 , hdl:10013/epic.24646

Article
Brunner, D. , Staehelin, J. , Maeder, J. , Wohltmann, I. and Bodeker, G. (2006)
Variability and trends in total and vertically resolved stratospheric ozone based on the CATO ozone data set ,
Atmospheric chemistry and physics, 6(12), pp. 4985-5008 .
hdl:10013/epic.24972

Article
Notholt, J. , Luo, B. , Fueglistaler, S. , Weisenstein, D. , Rex, M. , Lawrence, M. , Bingemer, H. , Wohltmann, I. , Corti, T. , Warneke, T. , von Kuhlmann, R. and Peter, T. (2005)
Influence of tropospheric SO2 emissions on particle formation and the stratospheric humidity ,
Geophysical research letters, 32, L07810 .
doi:10.1029/2004GL022159 , hdl:10013/epic.21391

Article
Wohltmann, I. , Rex, M. , Brunner, D. and Maeder, J. (2005)
Integrated equivalent latitude as a proxy for dynamical changes in ozone column ,
Geophysical research letters, 32, 9, L09811 .
doi:10.1029/2005GL022497 , hdl:10013/epic.22405

Article
Offermann, D. , Jarisch, M. , Donner, M. , Oberheide, J. , Wohltmann, I. , Garcia, R. , Marsh, R. , Naujokat, B. and Winkler, P. (2005)
Middle atmosphere summer duration as an indicator of long-term circulation changes ,
Advances in space research, 35 , 1416-1422 .
doi:10.1016/j.asr.2005.02.065 , hdl:10013/epic.22024

Article
Klein, U. , Lindner, K. , Bagdohn, S. , Wohltmann, I. and Künzi, K. F. (2002)
Microwave measurements of Arctic chlorine monoxide and computed chemical ozone loss in spring 2000 ,
Advances in space research,29, 11 , pp. 1719-1723 .
doi:10.1016/S0273-1177(02)00091-1 , hdl:10013/epic.17350

Article
Klein, U. , Wohltmann, I. , Lindner, K. and Künzi, K. F. (2002)
Ozone depletion and chlorine activation in the Arctic winter 1999/2000 observed in Ny-Alesund ,
Journal of geophysical research-atmospheres,107, D20 .
doi:10.1029/2001JD000543 , hdl:10013/epic.17346

Article
Klein, U. , Lindner, K. , Wohltmann, I. and Künzi, K. F. (2000)
Winter and spring observations of stratospheric chlorine monoxide from Ny-Alesund, Spitsbergen, in the 1997/98 and 1998/99 winters ,
Geophysical research letters, 27, 24 , pp. 4093-4097 .
doi:10.1029/2000GL012064 , hdl:10013/epic.17342

Article
Langer, J. , Barry, B. , Klein, U. , Sinnhuber, B. M. , Wohltmann, I. and Künzi, K. F. (1999)
Chemical ozone depletion during Arctic winter 1997/98 derived from ground based millimeter-wave observations ,
Geophysical research letters, 26, 5 , pp. 599-602 .
doi:10.1029/1999GL900043 , hdl:10013/epic.17338

Inbook

Inbook
Lindner, K. , Barry, B. , Klein, U. , Langer, J. , Sinnhuber, B. M. , Wohltmann, I. and Kuenzi, K. (1999)
The Radiometer for Atmospheric Measurements ,
Microwave Radiometry and Remote Sensing of the Earth's Surface and Atmosphere by P. Pampaloni and S. Paloscia, VSP Publishing, ISBN: 90-6764-318-1 .
hdl:10013/epic.19999

Thesis

Thesis -PhD
Wohltmann, I. (2003)
Ozone depletion, chlorine activation and water vapor observed in Spitzbergen ,
PhD thesis, Universität Bremen.
hdl:10013/epic.17362

Thesis -Diplom
Wohltmann, I. (1999)
Auswertung von Spektren des Mikrowellenradiometers RAM ,
Diplom thesis, Universität Bremen.
hdl:10013/epic.17369

Conference

Conference -Poster
Wohltmann, I. , Lehmann, R. , Rex, M. , Wegner, T. , Müller, R. , Manney, G. L. and Santee, M. L. (2014)
How is chlorine activation affected by the composition of Polar Stratospheric Clouds (STS versus NAT) in the ATLAS CTM? ,
SPARC PSC Workshop, Zürich, 27 August 2014 - 29 August 2014 .
hdl:10013/epic.44128

Conference -Talk
Kasai, Y. , Kreyling, D. , Sagawa, H. , Wohltmann, I. and Lehmann, R. (2014)
SMILES diurnal variation climatology of strato- and mesospheric trace gases: O3, HCl, HNO3, ClO, BrO, HOCl, HO2, and temperature ,
SPARC General Assembly 2014, Queenstown, New Zealand, 12 January 2014 - 17 January 2014 .
hdl:10013/epic.42937

Conference -Talk
Karpechko, A. , Backman, L. , Thölix, L. , Ialongo, I. , Andersson, M. , Fioletov, V. , Heikkilä, A. , Johnsen, B. , Koskela, T. , Kyrölä, E. , Lakkala, K. , Myhre, C. L. , Rex, M. , Sofieva, V. , Tamminen, J. and Wohltmann, I. (2014)
The link between springtime total ozone and summer UV radiation in Northern hemisphere extratropics ,
SPARC 2014 General Assembly, Queenstown, New Zealand, 12 January 2014 - 17 January 2014 .
hdl:10013/epic.42935

Conference -Poster
Wohltmann, I. , Lehmann, R. , Rex, M. , Wegner, T. , Müller, R. , Manney, G. L. and Santee, M. L. (2014)
How is chlorine activation affected by the composition of Polar Stratospheric Clouds and background aerosol particles? ,
SPARC General Assembly 2014, Queenstown, New Zealand, 12 January 2014 - 17 January 2014 .
hdl:10013/epic.42936

Conference -Poster
Kremser, S. , Wohltmann, I. , Rex, M. , Notholt, J. , Bodeker, G. E. and Schofield, R. (2013)
How does the sulfur get into the stratosphere? ,
SSiRC Workshop, Atlanta, Georgia, United States, 28 October 2013 - 30 October 2013 .
hdl:10013/epic.42590

Conference -Poster
Wohltmann, I. , Lehmann, R. , Rex, M. , Wegner, T. , Müller, R. , Manney, G. L. and Santee, M. L. (2013)
How is chlorine activation affected by the composition of Polar Stratospheric Clouds and background aerosol particles? ,
SSiRC Workshop, Atlanta, Georgia, United States, 28 October 2013 - 30 October 2013 .
hdl:10013/epic.42591

Conference -Poster
Kremser, S. , Wohltmann, I. , Schofield, R. and Rex, M. (2013)
How does tropospheric OH variability influence the transport of SO2 and COS from the surface to the stratosphere? A conceptual study ,
AMOS National Conference, Melbourne, Australia, 11 February 2013 - 13 February 2013 .
hdl:10013/epic.41190

Conference -Poster
Kremser, S. , Wohltmann, I. , Rex, M. and Schofield, R. (2012)
How does tropospheric OH influence the transport of SO2 from the surface to the stratosphere? - A conceptual study ,
12th IGAC Open Science Conference, Beijing, 17 September 2012 - 21 September 2012 .
hdl:10013/epic.40093

Conference -Poster
Wohltmann, I. , Rex, M. and Lehmann, R. (2012)
Modeling Arctic ozone depletion and uncertainties in heterogeneous chemistry in the winters 2009/2010 and 2010/2011 with the ATLAS model ,
Quadrennial Ozone Symposium 2012, Toronto, 27 August 2012 - 31 August 2012 .
hdl:10013/epic.39948

Conference -Poster
Adams, C. , Strong, K. , Zhao, X. , Bourassa, A. E. , Daffer, W. H. , Degenstein, D. A. , Drummond, J. R. , Farahani, E. E. , Fraser, A. , Lloyd, N. D. , Manney, G. L. , McLinden, C. A. , Rex, M. , Roth, C. , Strahan, S. E. , Walker, K. A. and Wohltmann, I. (2012)
NOx-driven ozone loss and a frozen-in anticyclone observed during the Arctic spring 2011 final stratospheric warming ,
Quadriennal Ozone Symposium 2012, Toronto, 27 August 2012 - 31 August 2012 .
hdl:10013/epic.39949

Conference -Talk
Rex, M. , Wohltmann, I. , Lehmann, R. , Deckelmann, H. , von der Gathen, P. , Balis, D. , De Backer, H. , Davis, J. , Dorokhov, V. , Eriksen, P. , Gerding, M. , Gernandt, H. , Godin-Beekmann, S. , Hardadottic, J. , Jepsen, N. , Johnson, B. , Kivi, R. , Kyrö, E. , Larsen, N. , Livesey, N. J. , Makshtas, A. , Manney, G. L. , McElroy, C. T. , Moore, D. , Nakajima, H. , Parrondo, M. , Santee, M. L. , Skrivankova, P. , Stübi, R. , Tarasick, D. W. , Varghese, S. , Varotsos, C. , Vömel, H. , Walker, K. A. , Yushkov, V. , Zerefos, C. and Zinoviev, N. S. (2012)
Record Arctic ozone loss in spring 2011 compared with Antarctic ozone hole conditions ,
Quadrennial Ozone Symposium 2012, Toronto, 27 August 2012 - 31 August 2012 .
hdl:10013/epic.39947

Conference -Talk
Sinnhuber, B. M. and Wohltmann, I. (2012)
Upwelling across the tropical tropopause diagnosed from ozone observations and meteorological re-analyses ,
SPARC Workshop on the Brewer-Dobson Circulation, Grindelwald, 25 June 2012 - 29 June 2012 .
hdl:10013/epic.39701

Conference -Talk
Wohltmann, I. , Blessmann, D. and Rex, M. (2012)
On the causes of Arctic stratospheric ozone variability in early winter ,
SPARC Workshop on the Brewer-Dobson Circulation, Grindelwald, 25 June 2012 - 29 June 2012 .
hdl:10013/epic.39699

Conference -Talk
Wohltmann, I. , Lehmann, R. , Rex, M. , Wegner, T. and Müller, R. (2012)
Uncertainties in modeling heterogeneous chemistry and ozone depletion in the winter 2009/2010 with the ATLAS CTM ,
RECONCILE Annual Meeting, Potsdam, 2 May 2012 - 4 May 2012 .
hdl:10013/epic.39364

Conference -Poster
Wohltmann, I. , Rex, M. and Lehmann, R. (2011)
The Lagrangian Chemistry and Transport Model ATLAS ,
Chapman Conference on Advances in Lagrangian Modeling of the Atmosphere , Grindelwald .
hdl:10013/epic.38311

Conference -Poster
Schofield, R. , Fueglistaler, S. , Wohltmann, I. and Rex, M. (2010)
Conceptual Study of Water Vapor and Bry Transport Across the Tropical Transition Layer ,
12th Symposium of the International Commission on Atmospheric Chemistry and Global Pollution (CACGP) and 11th Science Conference of the International Global Atmosphere Chemistry (IGAC) Project, Halifax, Canada, July .
hdl:10013/epic.35768

Conference -Poster
Wohltmann, I. , Lehmann, R. and Rex, M. (2010)
The Lagrangian chemistry and transport model ATLAS: Stratospheric chemistry in the Arctic winter 1999/2000 ,
EGU General Assembly 2010, 2.5.-7.5., Vienna, Austria. .
hdl:10013/epic.35208

Conference -Talk
Wohltmann, I. , Schofield, R. , Tegtmeier, S. , Kremser, S. , Lehmann, R. and Rex, M. (2010)
Lagrangian modelling of VSLS transport and chemistry ,
SHIVA Annual Meeting, 5-6 July 2010, Paris. .
hdl:10013/epic.36184

Conference -Invited talk
Wohltmann, I. (2010)
Ozone loss in the strastosphere - An overview over the activities of the ozone research group of the Alfred Wegener Institute, Potsdam ,
IFM-Geomar, KielMarch 2010. .
hdl:10013/epic.34254

Conference -Talk
Wohltmann, I. , Lehmann, R. and Rex, M. (2010)
Simulation of ozone depletion in the RECONCILE winter 2009/2010 with the ATLAS CTM ,
RECONCILE Annual Meeting, 8-9 November 2010, Rome. .
hdl:10013/epic.36750

Conference -Invited talk
Schofield, R. , Fueglistaler, S. , Wohltmann, I. and Rex, M. (2010)
A concept study: The sensitivity of stratospheric Bry to uncertainties in short lived substance emissions and atmospheric transport ,
Ocean Circulation and Climate Dynamics Seminar, IFM-Geomar, Kielth October. .
hdl:10013/epic.36194

Conference -Invited talk
Wohltmann, I. and Rex, M. (2009)
The Lagrangian Chemistry and Transport Model ATLAS ,
Technisches Seminar, Forschungszentrum JülichMarch. .
hdl:10013/epic.32415

Conference -Poster
Wohltmann, I. , Rex, M. and Lehmann, R. (2009)
The Lagrangian chemistry and transport model ATLAS ,
EGU General Assembly, April 2009, Vienna, Austria. .
hdl:10013/epic.32565

Conference -Poster
Wohltmann, I. and Rex, M. (2009)
The Lagrangian chemistry and transport model ATLAS ,
CCMVal Workshop, Toronto, Canada, June 2009, and SCOUT-O3 Annual Meeting, Schliersee, June 2009, Germany. .
hdl:10013/epic.32812

Conference -Poster
Sinnhuber, B. M. and Wohltmann, I. (2009)
Upwelling across the tropical tropopause ,
SCOUT-O3 Annual Meeting, Schliersee, Germany, June 2009. .
hdl:10013/epic.32813

Conference -Poster
Wohltmann, I. , Rex, M. and Lehmann, R. (2008)
ATLAS - A new fully Lagrangian transport and mixing model with detailed stratospheric chemistry ,
SCOUT-O3 Annual Meeting, Potsdam, Germany, April 2008. .
hdl:10013/epic.36183

Conference -Invited talk
Rex, M. , Lehmann, R. , Wohltmann, I. and Kremser, S. (2008)
Ascent rates, dehydration and vertical diffusion in the tropical tropopause region and lower stratosphere ,
37th COSPAR Scientific Assembly, Montreal, July 2008. .
hdl:10013/epic.31319

Conference -Talk
Schofield, R. , Frieler, K. , Wohltmann, I. , Rex, M. , Canty, T. , Salawitch, R. , von Hobe, M. , Stroh, F. , Butz, A. , Dorf, M. and Pfeilsticker, K. (2008)
Chlorine Kinetics Review and Recent Results from OClO and the Self-Match flight ,
SPARC Workshop on The Role of Halogen Chemistry in Polar Stratospheric Ozone Depletion Cambridgeth-19th June 2008. .
hdl:10013/epic.34119

Conference -Poster
Schofield, R. , Fueglistaler, S. , Wohltmann, I. and Rex, M. (2008)
Conceptual investigation of the interaction of water vapor and Bry transport across the tropical transition layer ,
SPARC 4th General Assembly, 31 August - 5 September 2008, Bologna, Italy. .
hdl:10013/epic.31048

Conference -Poster
Schofield, R. , Wohltmann, I. and Rex, M. (2008)
Microphysical Model Details for Trajectory Studies of Water Vapor Transport Across the Tropical Tropopause Layer ,
AGU Chapman Conference on on Atmospheric Water Vapor and Its Role in Climate, Kailua-Kona, HawaiiOctober .
hdl:10013/epic.35555

Conference -Poster
Schofield, R. , Frieler, K. , Wohltmann, I. , Rex, M. , von Hobe, M. , Stroh, F. , Koch, G. , Peter, T. , Canty, T. , Salawitch, R. and Volk, C. M. (2008)
Retrieval of chlorine kinetics from a self-match flight ,
Quadrennial Ozone Symposium, Tromsø, NorwayJune - 5th July 2008. .
hdl:10013/epic.30945

Conference -Poster
Wohltmann, I. and Rex, M. (2008)
An update on statistical trend analysis of column ozone in the CANDIDOZ project: Influence of dynamical and chemical processes ,
SPARC General Assembly, Bologna, Italy, September 2008. .
hdl:10013/epic.30998

Conference -Poster
Schofield, R. , Frieler, K. , Rex, M. , Wohltmann, I. , Hobe, M. , Stroh, F. , Koch, G. , Peter, T. , Canty, T. and Salawitch, R. (2007)
Chlorine kinetics examination using the Self-Match flight during EUPLEX II 2003 ,
SCOUT-O3 Annual Meeting, Heraklion, Crete. .
hdl:10013/epic.26694

Conference -Poster
Schofield, R. , Frieler, K. , Wohltmann, I. , Rex, M. , von Hobe, M. , Stroh, F. , Canty, T. , Salawitch, R. , Koch, G. , Peter, T. and Volk, C. M. (2007)
Chlorine kinetics examination using the Self-Match flight during EUPLEX II 2003 ,
Regional SPARC Science Workshop, Bremen 17-18 September. .
hdl:10013/epic.28449

Conference -Talk
Schofield, R. , Frieler, K. , Rex, M. , Wohltmann, I. , von Hobe, M. , Stroh, F. , Koch, G. , Peter, T. , Canty, T. and Salawitch, R. (2007)
ClO Match: An examination of chlorine kinetics using the self-Match flight during EUPLEX II 2003 ,
EGU General Assembly 2007, Vienna. .
hdl:10013/epic.26369

Conference -Poster
Wohltmann, I. and Rex, M. (2007)
Improved vertical and residual velocities on pressure coordinates in analysis data and application to trajectory calculations in the TTL ,
EGU General Assembly, April 2007, Vienna, Austria and SCOUT-O3 Annual Meeting, May 2007, Heraklion, Crete and SPARC Workshop, Bremen, September 2007 .
hdl:10013/epic.26307

Conference -Talk
Rex, M. , Schofield, R. , Lehmann, R. , Frieler, K. , Wohltmann, I. , von Hobe, M. , Stroh, F. , Koch, G. , Peter, T. , Salawitch, R. and Canty, T. (2007)
Is a major fraction of polar ozone loss due to a currently unknown mechanism? ,
Regional Sparc Workshop, Bremen (17-18th September) - www.iup.uni-bremen.de/sciamachy/sparc/510946997209bfc02/index.html. .
hdl:10013/epic.28450

Conference -Talk
Schofield, R. , Frieler, K. , Wohltmann, I. , Rex, M. , von Hobe, M. , Stroh, F. , Koch, G. , Peter, T. , Canty, T. and Salawitch, R. (2007)
Self Match Flight during EUPLEX II 2003 - ClO Match': An examination of chlorine kinetics ,
American Meteorological Society: 14th Conference on Middle Atmosphere, (20-24 August 2007) (Portland, OR). .
hdl:10013/epic.27099

Conference -Poster
Kremser, S. , Wohltmann, I. , Rex, M. , Langematz, U. and Dameris, M. (2007)
An approach to validate the transport of water vapour through the tropical tropopause in chemistry climate models ,
SCOUT-O3 Annual Meeting, Heraklion, Crete. .
hdl:10013/epic.26693

Conference -Poster
Wohltmann, I. , Rex, M. , Brunner, D. and Maeder, J. (2006)
Equivalent latitude as an indicator for dynamical variability and trends in ozone column and profiles ,
SCOUT O3 Workshop, 20.3-24.3, Jülich, Germany. .
hdl:10013/epic.24992

Conference -Talk
Krüger, K. , Tegtmeier, S. , Wohltmann, I. and Rex, M. (2006)
Multi-year calculations of transport processes in the TTL ,
SCOUT O3 Workshop, 20.3-24.3, Jülich, Germany. .
hdl:10013/epic.24993

Conference -Poster
Tegtmeier, S. , Rex, M. , Krüger, K. , Wohltmann, I. and Schöllhammer, K. (2006)
Variations of the Residual Circulation in Northern Hemispheric Winter and Their Impact on Arctic Ozone ,
AGU Fall Meeting, San Francisco, USA. .
hdl:10013/epic.25783

Conference -Invited talk
Wohltmann, I. (2005)
Die Residualzirkulation und ihr Einfluss auf Temperatur und Spurenstoffe in der Stratosphaere ,
Talk, University of Wuppertal, 2.2.2005, Wuppertal, Germany. .
hdl:10013/epic.22406

Conference -Talk
Wohltmann, I. , Rex, M. , Brunner, D. and Maeder, J. (2005)
Equivalent latitude as an indicator for dynamical variability and trends in ozone column and profiles ,
Talk, IAGA 2005 Scientific Assembly, 18-29 July, Toulouse, France. .
hdl:10013/epic.23163

Conference -Invited talk
Wohltmann, I. , Rex, M. , Brunner, D. and Maeder, J. (2005)
Equivalent latitude as an indicator for dynamical variability and trends in ozone column and profiles ,
Invited talk, AGU Fall Meeting 2005, 5-9 December, San Francisco, USA. .
hdl:10013/epic.23712

Conference -Talk
Offermann, D. , Jarisch, M. , Oberheide, J. , Gusev, O. , Wohltmann, I. , Russell III, J. M. and Mlynzak, M. G. (2005)
Global Wave Activity in the Middle Atmosphere: Structures and Trends ,
IAGA 2005 Scientific Assembly, 18-29 July, Toulouse, France. .
hdl:10013/epic.23164

Conference -Poster
Wohltmann, I. , Rex, M. , Brunner, D. and Maeder, J. (2005)
Integrated equivalent latitude as a proxy for dynamical changes in ozone column ,
EGU General Assembly 2005, 24-29 April, Vienna, Austria. .
hdl:10013/epic.22709

Conference -Poster
Dhomse, S. , Weber, M. , Wohltmann, I. , Rex, M. and Burrows, J. (2005)
Long-term trend in NH SBUV V8 zonal mean ozone between 1979 and 2003 ,
EGU General Assembly 2005, 24-29 April, Vienna, Austria .
hdl:10013/epic.23042

Conference -Talk
Weber, M. , Dhomse, S. , Wohltmann, I. , Rex, M. and Burrows, J. (2005)
On the possible cause of recent increases in NH total ozone ,
Talk, EGU General Assembly 2005, 24-29 April, Vienna, Austria. .
hdl:10013/epic.23043

Conference -Poster
Krüger, K. , Tegtmeier, S. , Immler, F. , Rex, M. , Wohltmann, I. , Schrems, O. , Haynes, P. and Morcrette, J. J. (2005)
Transport processes in the TTL calculated by a newly developed trajectory model coupled with a radiative transfer model ,
EGU General Assembly 2005, 24-29 April, Vienna, Austria. .
hdl:10013/epic.23044

Conference -Talk
Rex, M. , Salawitch, R. J. , von der Gathen, P. , Harris, N. R. P. , Chipperfield, M. P. , Naujokat, B. , Frieler, K. , Streibel, M. and Wohltmann, I. (2004)
Arctic ozone loss and climate change ,
Quadrennial Ozone Symposium, Kos, Greece, June .
hdl:10013/epic.21397

Conference -Talk
Wohltmann, I. , Rex, M. , Tegtmeier, S. , Schöllhammer, K. , Weber, M. , Dhomse, S. , Eyring, V. and Dameris, M. (2004)
Control of stratospheric ozone transport and chemistry by tropospheric climate variability ,
Talk at EGU 1st General Assembly 2004, 26-30 April, Nice, France and at the CANDIDOZ Workshop, 16-17 March, Zürich, Switzerland .
hdl:10013/epic.20980

Conference -Talk
Rex, M. , Wohltmann, I. , Schöllhammer, K. and Tegtmeier, S. (2004)
Dynamische und chemische Einflussfaktoren auf die Ozonschicht im sich verändernden Klima ,
AFO 2000 Abschlusssymposium. .
hdl:10013/epic.21398

Conference -Poster
Rex, M. , Wohltmann, I. , Tegtmeier, S. and Schöllhammer, K. (2004)
Quantification of dynamically and chemically induced changes of the Arctic ozone layer - empirical results and model calculations ,
AFO2000 Symposium, 22-24 March 2004, Bad Tölz, Germany. .
hdl:10013/epic.20982

Conference -Poster
Schöllhammer, K. , Wohltmann, I. , Tegtmeier, S. and Rex, M. (2004)
Vertical velocities in the ECMWF ERA-40 data: Comparisons with NCEP reanalysis, ECMWF operational data, and diabatic calculations ,
Poster at EGU 1st General Assembly, 26-30 April, Nice, France. .
hdl:10013/epic.20981

Conference -Poster
Wohltmann, I. , Weber, M. , Eyring, V. , Rex, M. , Dhomse, S. , Wittrock, F. and Dameris, M. (2003)
Dynamical control of ozone transport and chemistry from observations and CCMs ,
Workshop on CCM validation, Nov 17-19, 2003, Grainau, Germany. .
hdl:10013/epic.20378

Conference -Poster
Wohltmann, I. , Kleinboehl, A. , Bremer, H. , König, M. , Lindner, K. , Haerle, H. , Hoock, M. , Quack, M. , Kuenzi, K. and Schrems, O. (2002)
Measured chlorine activation, reservoir gases and denitrification in comparison to the SLIMCAT model ,
Sixth European Symposium on Stratospheric Ozone in Göteborg, Sweden. .
hdl:10013/epic.19987

Conference -Poster
Lindner, K. , Hoock, M. , Quack, M. , Wohltmann, I. , Künzi, K. F. and Schrems, O. (2002)
Measurements of Stratospheric Chlorine Monoxide and Water Vapour In Ny-Ålesund, Spitsbergen ,
EGS XXVII General Assembly, 21-26 April, Nice, France. .
hdl:10013/epic.24995

Conference -Poster
Lindner, K. , Buschmann, N. , Haerle, H. , Hoock, M. , Kleindienst, A. , Kuenzi, K. , Quack, M. , Wohltmann, I. and Schrems, O. (2002)
Measurements of stratospheric Chlorine Monoxide in Ny-Ålesund, Spitsbergen ,
Sixth European Symposium on Stratospheric Ozone in Göteborg, Sweden and Fruehjahrstagung DPG, Leipzig, Germany. .
hdl:10013/epic.19991

Conference -Poster
Wohltmann, I. , Lindner, K. and Künzi, K. F. (2002)
Ozone Depletion and Chlorine Activation In The Arctic Winter 2001/2002 and Earlier Winters ,
EGS XXVII General Assembly, 21-26 April, Nice, France. .
hdl:10013/epic.24994

Conference -Poster
Wohltmann, I. , Lindner, K. , Haerle, H. , Hoock, M. , Quack, M. , Kuenzi, K. and Schrems, O. (2002)
Ozone depletion in the Arctic winters 1999/2000 and 2000/2001 ,
Sixth European Symposium on Stratospheric Ozone in Göteborg, Sweden and Ozone Loss Workshop, Potsdam, Germany and Fruehjahrstagung DPG, Leipzig, Germany. .
hdl:10013/epic.19986

Conference -Invited talk
Wohltmann, I. (2002)
Ozone depletion, chlorine activation and water vapor in Spitzbergen ,
Invited Talk at the Institute of Applied Physics, University of Bern .
hdl:10013/epic.20388

Conference -Poster
Wohltmann, I. , Hoock, M. , Lindner, K. and Kuenzi, K. (2001)
Ozone depletion and chlorine activation in the Arctic winter 2000/2001 and earlier winter ,
XXVI. General assembly of the European Geophysical Society, Nice, France, March 2001, and NDSC Symposium, Arcachon, France, September 2001. .
hdl:10013/epic.19988

Conference -Conference paper
Hoock, M. , Lindner, K. , Wohltmann, I. , Kuenzi, K. , Berg, H. , Hochschild, G. and Kopp, G. (2001)
The Validation of SCIAMACHY Products by Ground-Based Millimeter-Wave Observation ,
Proceedings of the Pre-Launch Workshop on the Atmospheric Chemistry Validation of Envisat (ACVE), May 16-18 2001 at ESTEC, Noordwijk, The Netherlands. .
hdl:10013/epic.19992

Conference -Talk
Gernandt, H. , Nakajima, H. , Herber, A. , von der Gathen, P. , König-Langlo, G. , Neuber, R. , Notholt, J. , Lindner, K. and Wohltmann, I. (2001)
Validation studies by balloon-borne observations in Antarctica and complementary ground-based studies in the Arctic ,
18th ILAS / 2nd ILAS II Science Team Meeting, Tsukuba, March 2001. .
hdl:10013/epic.17775

Conference -Talk
Klein, U. , Arlander, B. , Fayt, C. , Fonteyn, D. , Galle, B. , Hendrick, F. , Hermans, C. , Kuenzi, K. , Lindner, K. , Maziere, M. , Mahieu, E. , Melen, F. , Mellqvist, J. , Notholt, J. , Richter, A. , Roozendael, M. , Sussmann, R. , Wimmer, W. , Wittrock, F. , Wohltmann, I. and Zander, R. (2000)
COSE ground-based observations of chlorine activation during SOLVE-THESEO 2000 ,
oral presentation at the SOLVE/THESEO 2000 Science Meeting, Palermo, Italy, 25.-29. September .
hdl:10013/epic.19994

Conference -Conference paper
Wohltmann, I. , Barry, B. , Klein, U. , Langer, J. , Lindner, K. , Künzi, K. and von der Gathen, P. (2000)
Comparison of Ozone Measuring Instruments in Ny-Ålesund, Spitsbergen ,
European Commission, Air pollution report 73, Stratospheric ozone 1999, Proc. of the fifth European symposium, 27 September to 1 October 1999, Saint Jean de Luz, France, EUR 19340, 2000 .
hdl:10013/epic.19997

Conference -Conference paper
Wohltmann, I. , Barry, B. , Klein, U. , Langer, J. , Lindner, K. , Künzi, K. F. and von der Gathen, P. (2000)
Comparison of ozone measuring instruments in Ny-Ålesund, Spitsbergen ,
Stratospheric Ozone 1999 : proceedings of the fifth European symposium 27 September - 1 October 1999, Saint Jean de Luz, France. European Commission Directorate-General for Research, Brussels. (Air pollution research report ; 73) (EUR ; 19340) .
hdl:10013/epic.14571

Conference -Poster
Lindner, K. , Barry, B. , Klein, U. , Wohltmann, I. and Kuenzi, K. (2000)
Das 22 GHz Wasserdampf Mikrowellenradiometer in Ny-Ålesund ,
Fruehjahrstagung der DPG, Bremen, Germany. .
hdl:10013/epic.20001

Conference -Talk
Wohltmann, I. , Klein, U. , Lindner, K. and Kuenzi, K. F. (2000)
Determining water vapour columns with the microwave radiometer RAM ,
EGS XXV General Assembly, Nice, France, April 2000. .
hdl:10013/epic.20383

Conference -Conference paper
Lindner, K. , Barry, B. , Klein, U. , Kuenzi, K. , Wohltmann, I. , Forkman, P. , Elgered, G. , Eriksson, P. , Jimenez, C. , Sharokhi, J. and Winnberg, A. (2000)
Ground-Based Water Vapour Microwave Radiometry in the THESEO/WAVE Project ,
European Commission, Air pollution report 73, Stratospheric ozone 1999, Proc. of the fifth European symposium, 27 September to 1 October 1999, Saint Jean de Luz, France, EUR 19340, 2000 .
hdl:10013/epic.19996

Conference -Conference paper
Klein, U. , Barry, B. , Lindner, K. , Wohltmann, I. and Kuenzi, K. (2000)
Observations of Polar Stratospheric Chlorine Monoxide in Ny-Ålesund, 1998 and 1999 ,
European Commission, Air pollution report 73, Stratospheric ozone 1999, Proc. of the fifth European symposium, 27 September to 1 October 1999, Saint Jean de Luz, France, EUR 19340, 2000 .
hdl:10013/epic.19995

Conference -Poster
Klein, U. , Lindner, K. , Wohltmann, I. and Kuenzi, K. (2000)
Ozone depletion and chlorine activation in the Arctic winter 1999/2000 observed at Ny-Ålesun ,
XXV. General Assembly of the European Geophysical Society, Nice, France, May .
hdl:10013/epic.19998

Conference -Poster
Klein, U. , Wohltmann, I. , Lindner, K. and Kuenzi, K. (2000)
Ozone depletion and chlorine activation in the Arctic winter 1999/2000 observed in Ny-Ålesund, Spitsbergen ,
SOLVE/THESEO 2000 Science Meeting, Palermo, Italy.-29.September .
hdl:10013/epic.19993

Conference -Talk
Wohltmann, I. , Klein, U. , Lindner, K. and Kuenzi, K. (2000)
Ozone depletion in the winter 1999/2000 ,
Oral presentation at the COSPAR Scientific Assembly, Warsaw, Poland.-23. July .
hdl:10013/epic.19989

Conference -Poster
Wohltmann, I. , Lindner, K. , Klein, U. and Kuenzi, K. (2000)
Ozonmessungen in Ny-Ålesund ,
Fruehjahrstagung der DPG 2000, Bremen, Germany. .
hdl:10013/epic.20000

Conference -Poster
Wohltmann, I. , Barry, B. , Klein, U. , Langer, J. , Lindner, K. , Kuenzi, K. and von der Gathen, P. (1999)
Comparison of ozone measuring instruments in Ny-Ålesund ,
Fifth European Workshop on Stratospheric Ozone, St. Jean De Luz, Franceth september to 1st october .
hdl:10013/epic.19990

Conference -Poster
Wohltmann, I. , Barry, B. , Klein, U. , Langer, J. , Lindner, K. , Sinnhuber, B. M. and Künzi, K. F. (1999)
Ozonmessungen mit dem Mikrowellenradiometer RAM ,
Frühjahrstagung DPG 1999, Heidelberg, Germany. .
hdl:10013/epic.25149

Conference -Talk
Barry, B. , Klein, U. , Langer, L. , Lindner, K. , Sinnhuber, B. M. , Wohltmann, I. and Künzi, K. F. (1999)
Untersuchung der arktischen Stratosphäre mit dem Radiometer für Atmosphärische Messungen ,
Frühjahrstagung DPG 1999, Heidelberg, Germany. .
hdl:10013/epic.25148

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