Items where Author is "Lehmann, Ralph"

Group by: Item Type | No Grouping

Jump to: Article | Conference | "Polarforschung"

Number of items: 53.

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, COPERNICUS GESELLSCHAFT MBH, 13 (8), pp. 3909-3929 .

hdl:10013/epic.41378

Article

Stock, J. W. , Boxe, C. S. , Lehmann, R. , Grenfell, J. L. , Patzer, A. B. C. , Rauer, H. and Yung, Y. L. (2012)
Chemical pathway analysis of the Martian atmosphere: CO2-formation pathways ,

Icarus, Elsevier, 219 (1), pp. 13-24 .

hdl:10013/epic.38894

Article

Stock, J. W. , Grenfell, J. L. , Lehmann, R. , Patzer, A. B. C. and Rauer, H. (2012)
Chemical Pathway Analysis of the lower Martian Atmosphere: The CO2 stability problem ,

Planetary and Space Science, 68 , pp. 18-24 .

doi:10.1016/j.pss.2011.03.002 , hdl:10013/epic.39817

Article

Suminska-Ebersoldt, O. , Lehmann, R. , Wegner, T. , Grooß, J. U. , Hösen, E. , Weigel, R. , Frey, W. , Griessbach, S. , Mitev, V. , Emde, C. , Volk, C. M. , Borrmann, S. , Rex, M. , Stroh, F. and von Hobe, M. (2012)
ClOOCl photolysis at high solar zenith angles: analysis of the RECONCILE self-match flight ,

Atmospheric Chemistry and Physics., 12 , pp. 1353-1365 .

hdl:10013/epic.38829

Preview

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, Copernicus, 12 (11), pp. 4817-4823 .

doi:10.5194/acp-12-4817-2012 , hdl:10013/epic.39441

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. , 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. , 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. , Viciani, S. , Volk, C. M. , vom Scheidt, M. , Ulanovski, A. , von der Gathen, P. , Walker, K. , Wegner, T. , Weigel, R. , Weinbuch, S. , Wetzel, G. , Wienhold, F. G. , Wintel, J. , Wohltmann, I. , Woiwode, W. , Young, I. A. K. , Yushkov, V. , Zobrist, B. and Stroh, F. (2012)
Reconciliation of essential process parameters for an enhanced predictability of Arctic stratospheric ozone loss and its climate interactions ,

Atmospheric Chemistry and Physics Discussions, 12 , pp. 30661-30754 .

hdl:10013/epic.40685

Article

Revell, L. , Bodeker, G. , Smale, D. , Lehmann, R. , Huck, P. , Williamson, B. , Rozanov, E. and Struthers, H. (2012)
The effectiveness of N2O in depleting stratospheric ozone ,

Geophysical Research Letters, AMER GEOPHYSICAL UNION, 39 (L15806), pp. 1-6 .

doi:10.1029/2012GL052143 , hdl:10013/epic.39850

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, Macmillan Publishers Limited, 478 (7370), pp. 469-475 .

doi:10.1038/nature10556 , hdl:10013/epic.38387

Article

Verronen, P. T. , Santee, M. L. , Manney, G. L. , Lehmann, R. , Salmi, S. M. and Seppälä, A. (2011)
Nitric acid enhancements in the mesosphere during the January 2005 and December 2006 solar proton events ,

Journal of Geophysical Research, 116, D17301 .

doi:10.1029/2011JD016075 , hdl:10013/epic.38020

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

Harris, N. R. P. , Lehmann, R. , Rex, M. and von der Gathen, P. (2010)
A closer look at Arctic ozone loss and polar stratospheric clouds ,

Atmospheric Chemistry and Physics, 10 , pp. 8499-8510 .

doi:10.5194/acp-10-8499-2010 , hdl:10013/epic.35875

Preview

Article

Flury, T. , Hocke, K. , Haefele, A. , Kämpfer, N. and Lehmann, R. (2009)
Ozone depletion, water vapor increase, and PSC generation at midlatitudes by the 2008 major stratospheric warming ,

Journal of Geophysical Research, 114, D18302, doi:10.1029/2009JD011940. .

hdl:10013/epic.33576

Article

Harris, N. R. P. , Lehmann, R. , Rex, M. and von der Gathen, P. (2009)
Understanding the relation between Arctic ozone loss and the volume of polar stratospheric clouds ,

International Journal of Remote Sensing, 30 (15), 4065 - 4070 .

doi:10.1080/01431160902821833 , hdl:10013/epic.32996

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

Streibel, M. , Rex, M. , von der Gathen, P. , Lehmann, R. , Harris, N. R. P. , Braathen, G. O. , Reimer, E. , Deckelmann, H. , Chipperfield, M. , Millard, G. , Allaart, M. , Andersen, S. B. , Claude, H. , Davies, J. , De Backer, H. , Dier, H. , Dorokhov, V. , Fast, H. , Gerding, M. , Kyrö, E. , Litynska, Z. , Moore, D. , Moran, E. , Nagai, T. , Nakane, H. , Parrondo, C. , Skrivankova, P. , Stübi, R. , Vaughan, G. , Viatte, P. and Yushkov, V. (2006)
Chemical ozone loss in the Arctic winter 2002/2003 determined with Match ,

Atmospheric chemistry and physics, 6 , pp. 2783-2792 .

hdl:10013/epic.24224

Preview

Article

Grenfell, J. L. , Lehmann, R. , Mieth, P. , Langematz, U. and Steil, B. (2006)
Chemical reaction pathways affecting stratospheric and mesospheric ozone ,

Journal of Geophysical Research, 111, D17311 .

doi:10.1029/2004JD005713 , hdl:10013/epic.20072

Article

Lehmann, R. , von der Gathen, P. , Rex, M. and Streibel, M. (2005)
Statistical analysis of the precision of the Match method ,

Atmospheric chemistry and physics, 5 , pp. 2713-2727 .

hdl:10013/epic.22315

Article

Lehmann, R. (2004)
An algorithm for the determination of all significant pathways in chemical reaction systems ,

Journal of atmospheric chemistry, 47 , pp. 45-78 .

hdl:10013/epic.19004

Article

Krämer, M. , Müller, R. , Bovensmann, H. , Burrows, J. , Brinkmann, J. , Röth, E. P. , Grooß, J. U. , Müller, R. , Woyke, T. , Ruhnke, R. , Günther, G. , Hendricks, J. , Lippert, E. , Carslaw, K. S. , Peter, T. , Zieger, A. , Brühl, C. , Steil, B. , Lehmann, R. and McKenna, D. S. (2003)
Intercomparison of stratospheric chemistry models under polar vortex conditions ,

Journal of Atmospheric Chemistry, 45 , pp. 51-77 .

hdl:10013/epic.15333

Article

Schulz, A. , Krieg, J. , Notholt, J. and Lehmann, R. (2003)
Summertime evolution of ozone in the high Arctic ,

Stratospheric ozone 2002 : proceedings of the sixth European Symposium <2 to 6 September, 2002, Göteborg, Sweden>. (Air pollution research report ; 79) (Energy, Environment and Sustainable Development ; EUR 20650), 418 .

hdl:10013/epic.18930

Article

Notholt, J. and Lehmann, R. (2003)
The moon as light source for atmospheric trace gas observations: Measurement technique and analysis method ,

Journal of Quantitative Spectroscopy & Radiative Transfer, 76 , pp. 435-445 .

hdl:10013/epic.15625

Article

Lehmann, R. (2002)
Determination of dominant pathways in chemical reaction systems: An algorithm and its application to stratospheric chemistry ,

Journal of Atmospheric Chemistry, 41 , pp. 297-314 .

hdl:10013/epic.12526

Article

Rex, M. , Dethloff, K. , Handorf, D. , Herber, A. , Lehmann, R. , Neuber, R. , Notholt, J. , Rinke, A. , von der Gathen, P. , Weisheimer, A. and Gernandt, H. (2000)
Arctic and Antarctic ozone layer observations - chemical and dynamical aspects of variability and long-term changes in the polar stratosphere ,

Polar Research, 19 (2), pp. 193-204 .

hdl:10013/epic.13162

Article

Notholt, J. , Toon, G. C. , Sen, B. , Jones, N. B. , Rinsland, C. P. , Lehmann, R. and Rex, M. (2000)
Variations in the tropical uplift following the Pinatubo eruption studied by infrared solar absorption spectrometry ,

Geophysical Research Letters, 27 (17), pp. 2609-2612 .

hdl:10013/epic.12856

Article

Notholt, J. , Toon, G. C. , Lehmann, R. , Sen, B. and Blavier, J. F. (1997)
Comparison of Arctic and Antarctic trace gas column abundances from ground-based Fourier transform infrared spectrometry ,

Journal of Geophysical ResearchD11, 102 , pp. 12863-12869 .

hdl:10013/epic.12848

Article

Rex, M. , Harris, N. R. P. , von der Gathen, P. , Lehmann, R. , Braathen, G. O. , Reimer, E. , Beck, A. , Chipperfield, M. P. , Alfier, R. , Allaart, M. , O'Connor, F. , Dier, H. , Dorokhov, V. , Fast, H. , Gil, M. , Kyrö, E. , Litynska, Z. , Mikkelsen, I. S. , Molyneux, M. G. , Nakane, H. , Notholt, J. , Rummukainen, M. , Viatte, P. and Wenger, J. (1997)
Prolonged stratospheric ozone loss in the 1995/96 Arctic winter ,

Nature, 389 , pp. 835-838 .

hdl:10013/epic.13157

Article

Dethloff, K. , Rinke, A. , Lehmann, R. , Christensen, J. H. , Botzet, M. and Machenhauer, B. (1996)
Regional climate model of the Arctic atmosphere ,

Journal of Geophysical ResearchD8, 101 , pp. 23401-23422 .

hdl:10013/epic.11189

Article

Lehmann, R. (1993)
On the choice of relaxation coefficients for Davies' lateral boundary scheme for regional weather prediction models ,

Meteorology and Atmospheric Physics, 52 , pp. 1-14 .

hdl:10013/epic.12525

Conference

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 -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

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

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 -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 -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. , 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 -Invited talk

Dethloff, K. , Makshtas, A. , Maturilli, M. , Neuber, R. , Rinke, A. , Handorf, D. , von der Gathen, P. , Rex, M. , Lehmann, R. and Sokolov, V. (2007)
Atmospheric Investigations on a Drifting station in the Arctic Sea - AIDA ,

Arctic Science Summit Week, 17.March, 2007 Hanover, U.S.A. .

hdl:10013/epic.27887

Conference -Talk

Rex, M. , Lehmann, R. , Schofield, R. , Salawitch, R. J. and Canty, T. (2007)
Is a major fraction of polar ozone loss due to a currently unknown mechanism ? ,

SCOUT O3 Workshop, Crete, Greece .

hdl:10013/epic.28135

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 -Invited talk

Lehmann, R. (2005)
An algorithm for the determination of all significant pathways in chemical reaction systems ,

Workshop "Metabolic Pathway Analysis", Jena .

hdl:10013/epic.22326

Conference -Poster

Frieler, K. , Lehmann, R. , Rex, M. , Salawitch, R. , Canty, T. , Streibel, M. and von der Gathen, P. (2004)
Deficits in our current understanding of polar stratospheric ozone loss - investigation by chemical modelling ,

Proceedings of the XX Quadrennial Ozone Symposium, (Ed. C. Zerefos) .

hdl:10013/epic.24222

Conference -Invited talk

von der Gathen, P. , Rex, M. , Frieler, K. , Lehmann, R. and Streibel, M. (2004)
Quantifying Arctic ozone loss and its relation to climate change ,

5th International Workshop on Global Change: Connection to the Arctic (GCCA5), 15-16 Nov., Tsukuba, Japan. .

hdl:10013/epic.21905

Conference -Invited talk

von der Gathen, P. , Frieler, K. , Lehmann, R. , Rex, M. and Streibel, M. (2004)
Quantitative understanding of polar ozone losses ,

Seminar talk at the National Institute for Environmental Studies, 17. November 2004, Tsukuba, Japan. .

hdl:10013/epic.22039

Conference -Invited talk

von der Gathen, P. , Frieler, K. , Lehmann, R. , Rex, M. and Streibel, M. (2004)
Quantitative understanding of polar ozone losses ,

Seminar talk at the National Institute for Polar Research, 18. November 2004, Tokyo, Japan. .

hdl:10013/epic.22040

Conference -Conference paper

Lehmann, R. (2000)
Chemical pathway analysis: An algorithm and its application to stratospheric chemistry ,

Atmospheric Ozone : Proceedings of the Quadrennial Ozone Symposium, Sapporo, JapanJuly 2000 .

hdl:10013/epic.15594

Conference -Conference paper

Rex, M. , Lehmann, R. , Salawitch, R. J. , Santee, M. L. and Waters, J. W. (2000)
Theory and observation of Arctic ozone loss rates ,

Atmospheric Ozone, Proceedings of the Quadrennial Ozone Symposium, Sapporo, Japan .

hdl:10013/epic.14280

Conference -Conference paper

Botzet, M. , Christensen, C. E. , Dethloff, K. , Lehmann, R. , Machenhauer, B. and Rinke, A. (1996)
A regional climate model of the Arctic atmosphere ,

Proc of the ACSYS Conference on the Dynamics of the Arctic Climate System, Göteborg, Sweden, 1994 WCRP-94, WMO/TD No 760 .

hdl:10013/epic.11013

Conference -Conference paper

Botzet, M. , Christensen, J. H. , Claudius, E. , Dethloff, K. , Jacob, D. , Lehmann, R. , Machenhauer, B. and Rinke, A. (1994)
Application of a regional climate model of the tropo- and stratosphere on the Arctic ,

Ann Geophys,12/Suppl. II, C 362 .

hdl:10013/epic.11011

Conference -Conference paper

Botzet, M. , Christensen, J. H. , Claudius, E. , Dethloff, K. , Jacob, D. , Lehmann, R. , Machenhauer, B. and Rinke, A. (1994)
Application of a regional climate model on the Arctic atmosphere ,

3 Deutsche Klimatagung, Potsdam: Tagungsband PIK Reports 1 .

hdl:10013/epic.11009

Conference -Conference paper

Botzet, M. , Christensen, J. H. , Claudius, E. , Dethloff, K. , Lehmann, R. , Machenhauer, B. and Rinke, A. (1994)
First results in applying a regional climate model to the Artic atmosphere ,

Proc Second European Regionalization Project Workshop, Oberpfaffenhofen .

hdl:10013/epic.11012

"Polarforschung"

Lehmann, R. and Huch, M. (2008)
Das Internationale Polarjahr 2007/08 - Folge 8: Coole Klassen - Schulprojekte im IPY ,

Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 77 (1), pp. 37-38 .

hdl:10013/epic.31259

Preview

This list was generated on Thu May 23 05:07:01 2013 CEST.