H. Wernli

Publication List Details

Period

1998 - 2009

Number

142

Co-Authors

Forecasted deep stratospheric intrusions over Central Europe: case studies and climatologies (2009)

T. Trickl, H. Feldmann, M. Sprenger, A. Stohl, ...

Based on daily predictions of stratospheric air intrusions, obtained from trajectory calculations by ETH Zürich with wind fields from ECMWF forecasts, a high number of measurements with the ozone...

Aerosol- and updraft-limited regimes of cloud droplet formation: influence of particle number, size and hygroscopicity on the activation of cloud condensation nuclei (CCN) (2009)

P. Reutter, J. Trentmann, H. Su, M. Simmel, D. Rose, H. Wernli, ...

We have investigated the formation of cloud droplets under (pyro-)convective conditions using a cloud parcel model with detailed spectral microphysics and with the κ-Köhler model approach for...

Aerosol- and updraft-limited regimes of cloud droplet formation: influence of particle number, size and hygroscopicity on the activation of cloud condensation nuclei (CCN) (2009)

P. Reutter, H. Su, J. Trentmann, M. Simmel, D. Rose, S. S. Gunthe, ...

We have investigated the formation of cloud droplets under pyro-convective conditions using a cloud parcel model with detailed spectral microphysics and with the κ-Köhler model approach for...

Airborne in-situ measurements of vertical, seasonal and latitudinal distributions of carbon dioxide over Europe (2008)

Gurk, C., Fischer, H., Hoor, P., Lawrence, M.G., Lelieveld, J., Wernli, H.

Airborne in-situ observations of carbon dioxide (CO2) were made during 7 intensive measurement campaigns between November 2001 and April 2003 as part of the SPURT project. Vertical profiles and...

Airborne in-situ measurements of vertical, seasonal and latitudinal distributions of carbon dioxide over Europe (2008)

Gurk, C., Fischer, H., Hoor, P., Lawrence, M.G., Lelieveld, J., Wernli, H.

Airborne in-situ observations of carbon dioxide (CO2) were made during 7 intensive measurement campaigns between November 2001 and April 2003 as part of the SPURT project. Vertical profiles and...

Multi-model simulations of a convective situation in mountainous terrain (2008)

Trentmann, Jörg, Keil, Christian, Salzmann, Marc, Barthlott, Christian, Bauer, Hans-Stefan, Schwitalla, T., ...

The goal of the present study is to investigate the variability of simulated convective precipitation by three convection-resolving models using different setups and initial and boundary conditions....

Airborne in-situ measurements of vertical, seasonal and latitudinal distributions of carbon dioxide over Europe (2008)

Ch. Gurk, H. Fischer, P. Hoor, M. G. Lawrence, J. Lelieveld, H. Wernli

Airborne in-situ observations of carbon dioxide (CO<sub>2</sub>) were made during 7 intensive measurement campaigns between November 2001 and April 2003 as part of the SPURT project....

Airborne in-situ measurements of vertical, seasonal and latitudinal distributions of carbon dioxide over Europe (2008)

C. Gurk, H. Fischer, P. Hoor, M.G. Lawrence, J. Lelieveld, H. Wernli

Airborne in-situ observations of carbon dioxide (CO<sub>2</sub>) were made during 7 intensive measurement campaigns between November 2001 and April 2003 as part of the SPURT project....

Evaluation of high-resolution NWP model simulations of mid-latitude deep convection. (2008)

Trentmann, J., Seifert, A., Corsmeier, U., Groenemeijer, P., Wernli, H.

4th PAN-GCSS Meeting on Advances in Modeling and Observing Clouds and Convection, Toulouse, F, June 2-6, 2008

Seasonal cycles and variability of O3 and H2O in the UT/LMS during SPURT (2006)

M. Krebsbach, C. Schiller, D. Brunner, G. Günther, M. I. Hegglin, D. Mottaghy, ...

Airborne high resolution in situ measurements of a large set of trace gases including ozone (O3) and total water (H2O) in the upper troposphere and the lowermost stratosphere (UT/LMS) have been...

Highly resolved observations of trace gases in the lowermost stratosphere and upper troposphere from the Spurt project: an overview (2006)

A. Engel, H. Bönisch, D. Brunner, H. Fischer, H. Franke, G. Günther, ...

During SPURT (Spurenstofftransport in der Tropopausenregion, trace gas transport in the tropopause region) we performed measurements of a wide range of trace gases with different lifetimes and...

The transport history of two Saharan dust events archived in an Alpine ice core (2006)

H. Sodemann, A. S. Palmer, C. Schwierz, M. Schwikowski, H. Wernli

Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. When coinciding with snowfall, the dust can be deposited on Alpine...

The transport history of two Saharan dust events archived in an Alpine ice core (2006)

Sodemann, H., Palmer, A. S., Schwierz, C., Schwikowski, M., Wernli, H.

Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. When coinciding with snowfall, the dust can be deposited on Alpine...

Highly resolved observations of trace gases in the lowermost stratosphere and upper troposphere from the Spurt project: an overview (2006)

Engel, A., Bönisch, H., Brunner, D., Fischer, H., Franke, H., Günther, G., ...

During SPURT (Spurenstofftransport in der Tropopausenregion, trace gas transport in the tropopause region) we performed measurements of a wide range of trace gases with different lifetimes and...

Seasonal cycles and variability of O3 and H2O in the UT/LMS during SPURT (2006)

Krebsbach, M., Schiller, C., Brunner, D., Günther, G., Hegglin, M. I., Mottaghy, D., ...

Airborne high resolution in situ measurements of a large set of trace gases including ozone (O3) and total water (H2O) in the upper troposphere and the lowermost stratosphere (UT/LMS) have been...

The transport history of two Saharan dust events archived in an Alpine ice core (2006)

Sodemann, H., Palmer, A. S., Schwierz, C., Schwikowski, M., Wernli, H.

Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. When coinciding with snowfall, the dust can be deposited on Alpine...

Highly resolved observations of trace gases in the lowermost stratosphere and upper troposphere from the Spurt project: an overview (2006)

Engel, A., Bönisch, H., Brunner, D., Fischer, H., Franke, H., Günther, G., ...

During SPURT (Spurenstofftransport in der Tropopausenregion, trace gas transport in the tropopause region) we performed measurements of a wide range of trace gases with different lifetimes and...

Seasonal cycles and variability of O3 and H2O in the UT/LMS during SPURT (2006)

Krebsbach, M., Schiller, C., Brunner, D., Günther, G., Hegglin, M. I., Mottaghy, D., ...

Airborne high resolution in situ measurements of a large set of trace gases including ozone (O3) and total water (H2O) in the upper troposphere and the lowermost stratosphere (UT/LMS) have been...

Observations of meteoric material and implications for aerosol nucleation in the winter Arctic lower stratosphere derived from in situ particle measurements (2005)

J. Curtius, R. Weigel, H. Wernli, A. Werner, ...

Number concentrations of total and non-volatile aerosol particles with size diameters >0.01 μm as well as particle size distributions (0.4–23 μm diameter) were measured in situ in the...

A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt's outflow region (2005)

P. Spichtinger, K. Gierens, H. Wernli

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was...

A Case Studies of the Formation and Evolution of Ice Supersaturation in the Vicinity of a Warm Conveyor Belt's Outflow Region (2005)

Spichtinger, P., Gierens, K., Wernli, H.

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was situated in...

The transport history of two Saharan dust events archived in an Alpine ice core (2005)

Sodemann, H., Palmer, A. S., Schwierz, C., Schwikowski, M., Wernli, H.

Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. Occasionally, the dust is deposited with snowfall on Alpine glaciers...

Seasonal cycles and variability of O3 and H2O in the UT/LMS during SPURT (2005)

Krebsbach, M., Schiller, C., Brunner, D., Günther, G., Hegglin, M. I., Mottaghy, D., ...

Airborne high resolution in situ measurements of a large set of trace gases including ozone (O3) and total water (H2O) in the upper troposphere and the lowermost stratosphere (UT/LMS) have been...

Highly resolved observations of trace gases in the lowermost stratosphere and upper troposphere from the Spurt project: an overview (2005)

Engel, A., Bönisch, H., Brunner, D., Fischer, H., Franke, H., Günther, G., ...

During SPURT (Spurenstofftransport in der Tropopausenregion, trace gas transport in the tropopause region) we performed measurements of a wide range of trace gases with different lifetimes and...

Observations of meteoritic material and implications for aerosol nucleation in the winter Arctic lower stratosphere derived from in situ particle measurements (2005)

Curtius, J., Weigel, R., Wernli, H., Werner, A., ...

Number concentrations of total and non-volatile aerosol particles with size diameters >0.01 µm as well as particle size distributions (0.4?23 µm diameter) were measured in situ in the Arctic lower...

Deep stratosphere-to-troposphere transport (STT) over SE Europe: a complex case study captured by enhanced 7Be concentrations at the surface of a low topography region (2005)

Gerasopoulos, E., Zanis, P., Papastefanou, C., Zerefos, C. S., Ioannidou, A., Wernli, H.

In this study we present a complex case study of a Stratosphere-to-Troposphere Transport (STT) event down to the surface of a low topography region in Northern Greece, during the second fortnight of...

Observations of meteoric material and implications for aerosol nucleation in the winter Arctic lower stratosphere derived from in situ particle measurements (2005)

Curtius, J., Weigel, R., Wernli, H., Werner, A., ...

Number concentrations of total and non-volatile aerosol particles with size diameters >0.01 ?m as well as particle size distributions (0.4?23 ?m diameter) were measured in situ in the Arctic lower...

A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt's outflow region (2005)

Spichtinger, P., Gierens, K., Wernli, H.

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was situated in...

The transport history of two Saharan dust events archived in an Alpine ice core (2005)

Sodemann, H., Palmer, A. S., Schwierz, C., Schwikowski, M., Wernli, H.

Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. Occasionally, the dust is deposited with snowfall on Alpine glaciers...

Seasonal cycles and variability of O3 and H2O in the UT/LMS during SPURT (2005)

Krebsbach, M., Schiller, C., Brunner, D., Günther, G., Hegglin, M. I., Mottaghy, D., ...

Airborne high resolution in situ measurements of a large set of trace gases including ozone (O3) and total water (H2O) in the upper troposphere and the lowermost stratosphere (UT/LMS) have been...

Highly resolved observations of trace gases in the lowermost stratosphere and upper troposphere from the Spurt project: an overview (2005)

Engel, A., Bönisch, H., Brunner, D., Fischer, H., Franke, H., Günther, G., ...

During SPURT (Spurenstofftransport in der Tropopausenregion, trace gas transport in the tropopause region) we performed measurements of a wide range of trace gases with different lifetimes and...

Observations of meteoritic material and implications for aerosol nucleation in the winter Arctic lower stratosphere derived from in situ particle measurements (2005)

Curtius, J., Weigel, R., Wernli, H., Werner, A., ...

Number concentrations of total and non-volatile aerosol particles with size diameters >0.01 µm as well as particle size distributions (0.4?23 µm diameter) were measured in situ in the Arctic lower...

Deep stratosphere-to-troposphere transport (STT) over SE Europe: a complex case study captured by enhanced 7Be concentrations at the surface of a low topography region (2005)

Gerasopoulos, E., Zanis, P., Papastefanou, C., Zerefos, C. S., Ioannidou, A., Wernli, H.

In this study we present a complex case study of a Stratosphere-to-Troposphere Transport (STT) event down to the surface of a low topography region in Northern Greece, during the second fortnight of...

Observations of meteoric material and implications for aerosol nucleation in the winter Arctic lower stratosphere derived from in situ particle measurements (2005)

Curtius, J., Weigel, R., Wernli, H., Werner, A., ...

Number concentrations of total and non-volatile aerosol particles with size diameters >0.01 ?m as well as particle size distributions (0.4?23 ?m diameter) were measured in situ in the Arctic lower...

A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt's outflow region (2005)

Spichtinger, P., Gierens, K., Wernli, H.

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was situated in...

Sampling of an STT event over the Eastern Mediterranean region by lidar and electrochemical sonde (2005)

Papayannis, A., Balis, D., Zanis, P., Galani, E., Wernli, H., Zerefos, C., ...

A two-wavelength ultraviolet (289?316nm) ozone Differential Absorption Lidar (DIAL) system is used to perform ozone measurements in the free troposphere in the Eastern Mediterranean (Northern...

Sampling of an STT event over the Eastern Mediterranean region by lidar and electrochemical sonde (2005)

Papayannis, A., Balis, D., Zanis, P., Galani, E., Wernli, H., Zerefos, C., ...

A two-wavelength ultraviolet (289?316nm) ozone Differential Absorption Lidar (DIAL) system is used to perform ozone measurements in the free troposphere in the Eastern Mediterranean (Northern...

© Author(s) 2006. This work is licensed under a Creative Commons License. Atmospheric Chemistry and Physics The transport history of two Saharan dust events archived in an Alpine ice core (2005)

H. Sodemann, A. S. Palmer, C. Schwierz, M. Schwikowski, H. Wernli

Abstract. Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. When coinciding with snowfall, the dust can be deposited on...

Atmospheric Chemistry and Physics Discussions The transport history of two Saharan dust events archived in an Alpine ice core (2005)

H. Sodemann, A. S. Palmer, C. Schwierz, M. Schwikowski, H. Wernli

7497 Mineral dust from the Saharan desert can be transported across the Mediterranean towards the Alpine region several times a year. Occasionally, the dust is deposited with snowfall on Alpine...

Deep stratosphere-to-troposphere transport (STT) over SE Europe: a complex case study captured by enhanced <sup>7</sup>Be concentrations at the surface of a low topography region (2005)

E. Gerasopoulos, P. Zanis, C. Papastefanou, C. S. Zerefos, A. Ioannidou, H. Wernli

In this study we present a complex case study of a Stratosphere-to-Troposphere Transport (STT) event down to the surface of a low topography region in Northern Greece, during the second fortnight of...

Deep stratosphere-to-troposphere transport (STT) over SE Europe: a complex case study captured by enhanced 7Be concentrations at the surface of a low topography region (2005)

E. Gerasopoulos, P. Zanis, C. Papastefanou, C. S. Zerefos, A. Ioannidou, H. Wernli

In this study we present a complex case study of a Stratosphere-to-Troposphere Transport (STT) event down to the surface of a low topography region in Northern Greece, during the second fortnight of...

Analysis of a jet stream induced gravity wave associated with an observed ice cloud over Greenland (2004)

S. Buss, A. Hertzog, C. Hostettler, T. B. Bui, D. Lüthi, H. Wernli

A polar stratospheric ice cloud (PSC type II) was observed by airborne lidar above Greenland on 14 January 2000. It was the unique observation of an ice cloud over Greenland during the SOLVE/THESEO...

Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT (2004)

P. Hoor, C. Gurk, D. Brunner, M. I. Hegglin, H. Wernli, H. Fischer

We present airborne in-situ trace gas measurements which were performed on eight campaigns between November 2001 and July 2003 during the SPURT-project (SPURenstofftransport in der Tropopausenregion,...

Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system (2004)

M. I. Hegglin, D. Brunner, H. Wernli, C. Schwierz, O. Martius, P. Hoor, ...

Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in...

A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt's outflow region (2004)

Spichtinger, P., Gierens, K., Wernli, H.

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was situated in...

Quantification of the impact in mid-latitudes of chemical ozone depletion in the 1999/2000 Arctic polar vortex prior to the vortex breakup (2004)

Koch, G., Wernli, H., Buss, S., Staehelin, J., Peter, T., Liniger, M. A., ...

For the winter 1999/2000 transport of air masses out of the vortex to mid-latitudes and ozone destruction inside and outside the northern polar vortex is studied to quantify the impact of earlier...

Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT (2004)

Hoor, P., Gurk, C., Brunner, D., Hegglin, M. I., Wernli, H., Fischer, H.

We present airborne in-situ trace gas measurements which were performed on eight campaigns between November 2001 and July 2003 during the SPURT-project (SPURenstofftransport in der Tropopausenregion,...

Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system (2004)

Hegglin, M. I., Brunner, D., Wernli, H., Schwierz, C., Martius, O., Hoor, P., ...

Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in...

Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT (2004)

Hoor, P., Gurk, C., Brunner, D., Hegglin, M. I., Wernli, H., Fischer, H.

We present airborne in-situ trace gas measurements which were performed on eight campaigns between November 2001 and July 2003 during the SPURT-project (SPURenstofftransport in der Tropopausenregion,...

Analysis of a jet stream induced gravity wave associated with an observed ice cloud over Greenland (2004)

Buss, S., Hertzog, A., Hostettler, C., Bui, T. B., Lüthi, D., Wernli, H.

A polar stratospheric ice cloud (PSC type II) was observed by airborne lidar above Greenland on 14 January 2000. It was the unique observation of an ice cloud over Greenland during the SOLVE/THESEO...

Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system (2004)

Hegglin, M. I., Brunner, D., Wernli, H., Schwierz, C., Martius, O., Hoor, P., ...

Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in...

A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt's outflow region (2004)

Spichtinger, P., Gierens, K., Wernli, H.

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was situated in...

Quantification of the impact in mid-latitudes of chemical ozone depletion in the 1999/2000 Arctic polar vortex prior to the vortex breakup (2004)

Koch, G., Wernli, H., Buss, S., Staehelin, J., Peter, T., Liniger, M. A., ...

For the winter 1999/2000 transport of air masses out of the vortex to mid-latitudes and ozone destruction inside and outside the northern polar vortex is studied to quantify the impact of earlier...

Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT (2004)

Hoor, P., Gurk, C., Brunner, D., Hegglin, M. I., Wernli, H., Fischer, H.

We present airborne in-situ trace gas measurements which were performed on eight campaigns between November 2001 and July 2003 during the SPURT-project (SPURenstofftransport in der Tropopausenregion,...

Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system (2004)

Hegglin, M. I., Brunner, D., Wernli, H., Schwierz, C., Martius, O., Hoor, P., ...

Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in...

Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT (2004)

Hoor, P., Gurk, C., Brunner, D., Hegglin, M. I., Wernli, H., Fischer, H.

We present airborne in-situ trace gas measurements which were performed on eight campaigns between November 2001 and July 2003 during the SPURT-project (SPURenstofftransport in der Tropopausenregion,...

Analysis of a jet stream induced gravity wave associated with an observed ice cloud over Greenland (2004)

Buss, S., Hertzog, A., Hostettler, C., Bui, T. B., Lüthi, D., Wernli, H.

A polar stratospheric ice cloud (PSC type II) was observed by airborne lidar above Greenland on 14 January 2000. It was the unique observation of an ice cloud over Greenland during the SOLVE/THESEO...

Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system (2004)

Hegglin, M. I., Brunner, D., Wernli, H., Schwierz, C., Martius, O., Hoor, P., ...

Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in...

Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system (2004)

M. I. Hegglin, D. Brunner, H. Wernli, C. Schwierz, O. Martius, P. Hoor, ...

Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in...

A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt’s outflow region (2004)

P. Spichtinger, K. Gierens, H. Wernli

A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was...

Ultrathin tropical tropopause clouds:  II.  Stabilisation mechanisms. (2003)

Luo, B. P., Peter , T. H., Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., ...

Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently Ultrathin Tropical Tropopause Clouds (UTTCs)...

Ultrathin tropical tropopause clouds:  I.  Cloud morphology and occurrence. (2003)

Peter, T. H., Luo, B. P., Wernli, H., Wirth, M., Kiemle, C., Flentje, H., ...

Subvisible cirrus clouds (SVCs) may contribute to dehydration close to the tropical tropopause. The higher and colder SVCs and the larger their ice crystals, the more likely they represent the last...

Dehydration potential of ultrathin clouds at the tropical tropopause. (2003)

Luo, B. P., Peter , T. H., Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., ...

We report on the first simultaneous in situ and remote measurements of subvisible cirrus in the uppermost tropical troposphere. The observed cirrus, called UTTCs (ultrathin tropical tropopause...

Stratosphere-troposphere exchange: A review, and what we have learned from STACCATO (2003)

Stohl,A., Bonasoni,P., Cristofanelli,P., Collins,W., Feichter,Johann, Frank,A., ...

This paper provides a review of stratosphere-troposphere exchange (STE), with a focus on processes in the extratropics. It also addresses the relevance of STE for tropospheric chemistry, particularly...

Stratosphere-troposphere exchange - a review, and what we have learned from STACCATO (2003)

Stohl, A., Bonasoni, P., Cristofanelli, P., Collins, W., Feichter, J., Frank, A., ...

This paper provides a review of stratosphere-troposphere exchange (STE), with a focus on processes in the extratropics. It also addresses the relevance of STE for tropospheric chemistry, particularly...

Stratosphere-troposphere exchange: A model and method intercomparison (2003)

Meloen,J., Siegmund,P., Van Velthoven,P., Kelder,H., Sprenger,M., Wernli,H., ...

This paper presents one of the first extensive intercomparisons of models and methods used for estimating stratosphere-troposphere exchange (STE). The study is part of the European Union project...

Ultrathin Tropical Tropopause Clouds (UTTCs): II. Stabilization mechanisms (2003)

B. P. Luo, Th. Peter, H. Wernli, S. Fueglistaler, M. Wirth, C. Kiemle, ...

Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently Ultrathin Tropical Tropopause Clouds (UTTCs)...

Detailed modeling of mountain wave PSCs (2003)

S. Fueglistaler, S. Buss, B. P. Luo, H. Wernli, H. Flentje, C. A. Hostetler, ...

Polar stratospheric clouds (PSCs) play a key role in polar ozone depletion. In the Arctic, PSCs can occur on the mesoscale due to orographically induced gravity waves. Here we present a detailed...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe (2003)

P. Zanis, T. Trickl, A. Stohl, H. Wernli, O. Cooper, C. Zerefos, ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles (2003)

C. A. Colberg, B. P. Luo, H. Wernli, T. Koop, Th. Peter

The physical state of the tropospheric aerosol is largely unknown despite its importance for cloud formation and for the aerosol's radiative properties. Here we use detailed microphysical laboratory...

Stratosphere-troposphere exchange: A model and method intercomparison (2003)

Meloen, J., Siegmund, P., Van Velthoven, P., Kelder, H., Sprenger, M., Wernli, H., ...

This paper presents one of the first extensive intercomparisons of models and methods used for estimating stratosphere-troposphere exchange (STE). The study is part of the European Union project...

Stratosphere-troposphere exchange: A review, and what we have learned from STACCATO (2003)

Stohl, A., Bonasoni, P., Cristofanelli, P., Collins, W., Feichter, Johann, Frank, A., ...

This paper provides a review of stratosphere-troposphere exchange (STE), with a focus on processes in the extratropics. It also addresses the relevance of STE for tropospheric chemistry, particularly...

Ultrathin Tropical Tropopause Clouds (UTTCs): II. Stabilization mechanisms (2003)

Luo, B. P., Peter, T., Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., ...

Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently Ultrathin Tropical Tropopause Clouds (UTTCs)...

Ultrathin Tropical Tropopause Clouds (UTTCs): I. Cloud morphology and occurrence (2003)

Peter, T., Luo, B. P., Wernli, H., Wirth, M., Kiemle, C., Flentje, H., ...

Subvisible cirrus clouds (SVCs) may contribute to dehydration close to the tropical tropopause. The higher and colder SVCs and the larger their ice crystals, the more likely they represent the last...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe (2003)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU-project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

Detailed modeling of mountain wave PSCs (2003)

Fueglistaler, S., Buss, S., Luo, B. P., Wernli, H., Flentje, H., Hostetler, C. A., ...

Polar stratospheric clouds (PSCs) play a key role in polar ozone depletion. In the Arctic, PSCs can occur on the mesoscale due to orographically induced gravity waves. Here we present a detailed...

Ultrathin Tropical Tropopause Clouds (UTTCs): II. Stabilization mechanisms (2003)

Luo, B. P., Peter, Th., Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., ...

Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently Ultrathin Tropical Tropopause Clouds (UTTCs)...

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles (2003)

Colberg, C. A., Luo, B. P., Wernli, H., Koop, T., Peter, Th.

The physical state of the tropospheric aerosol is largely unknown despite its importance for cloud formation and for the aerosol's radiative properties. Here we use detailed microphysical laboratory...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe (2003)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

Detailed modeling of mountain wave PSCs (2003)

Fueglistaler, S., Buss, S., Luo, B. P., Wernli, H., Flentje, H., Hostetler, C. A., ...

Polar stratospheric clouds (PSCs) play a key role in polar ozone depletion. In the Arctic, PSCs can occur on the mesoscale due to orographically induced gravity waves. Here we present a detailed...

Ultrathin Tropical Tropopause Clouds (UTTCs): II. Stabilization mechanisms (2003)

Luo, B. P., Peter, T., Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., ...

Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently Ultrathin Tropical Tropopause Clouds (UTTCs)...

Ultrathin Tropical Tropopause Clouds (UTTCs): I. Cloud morphology and occurrence (2003)

Peter, T., Luo, B. P., Wernli, H., Wirth, M., Kiemle, C., Flentje, H., ...

Subvisible cirrus clouds (SVCs) may contribute to dehydration close to the tropical tropopause. The higher and colder SVCs and the larger their ice crystals, the more likely they represent the last...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe (2003)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU-project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

Detailed modeling of mountain wave PSCs (2003)

Fueglistaler, S., Buss, S., Luo, B. P., Wernli, H., Flentje, H., Hostetler, C. A., ...

Polar stratospheric clouds (PSCs) play a key role in polar ozone depletion. In the Arctic, PSCs can occur on the mesoscale due to orographically induced gravity waves. Here we present a detailed...

Ultrathin Tropical Tropopause Clouds (UTTCs): II. Stabilization mechanisms (2003)

Luo, B. P., Peter, Th., Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., ...

Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently Ultrathin Tropical Tropopause Clouds (UTTCs)...

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles (2003)

Colberg, C. A., Luo, B. P., Wernli, H., Koop, T., Peter, Th.

The physical state of the tropospheric aerosol is largely unknown despite its importance for cloud formation and for the aerosol's radiative properties. Here we use detailed microphysical laboratory...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe (2003)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

Detailed modeling of mountain wave PSCs (2003)

Fueglistaler, S., Buss, S., Luo, B. P., Wernli, H., Flentje, H., Hostetler, C. A., ...

Polar stratospheric clouds (PSCs) play a key role in polar ozone depletion. In the Arctic, PSCs can occur on the mesoscale due to orographically induced gravity waves. Here we present a detailed...

Analysis of a jet stream induced gravity wave associated with an observed ice cloud over Greenland (2003)

Buss, S., Hertzog, A., Hostettler, C., Bui, T. P., Lüthi, T., Wernli, H.

A polar stratospheric ice cloud (PSC type II) was observed by airborne lidar above Greenland on 14 January 2000. Is was the unique observation of an ice cloud over Greenland during the SOLVE/THESEO...

Analysis of a jet stream induced gravity wave associated with an observed ice cloud over Greenland (2003)

Buss, S., Hertzog, A., Hostettler, C., Bui, T. P., Lüthi, T., Wernli, H.

A polar stratospheric ice cloud (PSC type II) was observed by airborne lidar above Greenland on 14 January 2000. Is was the unique observation of an ice cloud over Greenland during the SOLVE/THESEO...

Stratosphere to troposphere transport: model and method evaluation with measurement data (2003)

Cristofanelli, P., Bonasoni, P., Collins, W., Feichter, J., Forster, C., Kentarchos, A., ...

[1] During the EU-project Influence of Stratosphere-Troposphere exchange in a Changing Climate on Atmospheric Transport and Oxidation Capacity (STACCATO), a combined approach of a measurement network...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe (2003)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU-project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

A case study of a successful forecasted STE event over Central Europe within the framework of STACCATO. (2003)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

10th Scientific Conf.of the Internat.Association of Meteorology of Atmospheric Sciences (IAMAS), Commission for Atmospheric Chemistry and Global Pollution (CACGP) and 7th Scientific Conf.of the...

Synoptic tracer gradients in the upper troposphere over central Canada during the Stratosphere-Troposphere Experiments by Aircraft Measurements 1998 summer campaign (2002)

Fischer, H., Brunner, D., Harris, G. W., Hoor, P., Lelieveld, J., McKenna, D. S., ...

[1] During the July 1998 Stratosphere-Troposphere Experiments by Aircraft Measurements (STREAM) intensive campaign, eight measurement flights were conducted from Timmins airport (Ontario, Canada,...

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles (2002)

Colberg, C. A., Luo, B. P., Wernli, H., Koop, T., Peter, Th.

The physical state of tropospheric aerosol particles is largely unknown despite its importance for cloud formation and for the aerosols' radiative properties. Here we show the first systematic global...

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles (2002)

Colberg, C. A., Luo, B. P., Wernli, H., Koop, T., Peter, Th.

The physical state of tropospheric aerosol particles is largely unknown despite its importance for cloud formation and for the aerosols' radiative properties. Here we show the first systematic global...

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles (2002)

C. A. Colberg, B. P. Luo, H. Wernli, T. Koop, Th. Peter

The physical state of tropospheric aerosol particles is largely unknown despite its importance for cloud formation and for the aerosols' radiative properties. Here we show the first systematic global...

A case study of a successfully forecasted STE event over Central Europe within the framework of STACCATO. (2002)

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

10th Scientific Conf.of the Internat.Association of Meteorology and Atmospheric Sciences (IAMAS), Commission for Atmospheric Chemistry and Global Pollution (CACGP),

Stratosphere to troposphere transport: model and method evaluation with measurement data

Cristofanelli, P., Bonasoni, P., Collins, W., Feichter, J., Forster, C., Kentarchos, A., ...

[1] During the EU-project Influence of Stratosphere-Troposphere exchange in a Changing Climate on Atmospheric Transport and Oxidation Capacity (STACCATO), a combined approach of a measurement network...

Stratosphere-troposphere exchange - a review, and what we have learned from STACCATO

Stohl, A., Bonasoni, P., Cristofanelli, P., Collins, W., Feichter, J., Frank, A., ...

This paper provides a review of stratosphere-troposphere exchange (STE), with a focus on processes in the extratropics. It also addresses the relevance of STE for tropospheric chemistry, particularly...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU-project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...

Stratosphere to troposphere transport: model and method evaluation with measurement data

Cristofanelli, P., Bonasoni, P., Collins, W., Feichter, J., Forster, C., Kentarchos, A., ...

[1] During the EU-project Influence of Stratosphere-Troposphere exchange in a Changing Climate on Atmospheric Transport and Oxidation Capacity (STACCATO), a combined approach of a measurement network...

Stratosphere-troposphere exchange - a review, and what we have learned from STACCATO

Stohl, A., Bonasoni, P., Cristofanelli, P., Collins, W., Feichter, J., Frank, A., ...

This paper provides a review of stratosphere-troposphere exchange (STE), with a focus on processes in the extratropics. It also addresses the relevance of STE for tropospheric chemistry, particularly...

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe

Zanis, P., Trickl, T., Stohl, A., Wernli, H., Cooper, O., Zerefos, C., ...

A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU-project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate...