B. Kärcher, O. Möhler, P. J. Demott, S. Pechtl, F. Yu
Abstract. Cirrus cloud formation is believed to be dominated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and...
Role of aircraft soot emissions in contrail formation (2009)
The susceptibility of microphysical properties of young contrails to changes in aircraft soot emissions is studied with a microphysical plume model. Liquid plume and ambient particles compete with...
Cloud-controlling factors (2009)
Siebesma, A. P., Bretherton, C. S., Grabowski, W. W., Heintzenberg, J., Kärcher, B., ...
Factors controlling contrail cirrus optical depth (2009)
B. Kärcher, U. Burkhardt, S. Unterstrasser, P. Minnis
Aircraft contrails develop into contrail cirrus by depositional growth and sedimentation of ice particles and horizontal spreading due to wind shear. Factors controlling this development include...
Airborne measurements of the nitric acid partitioning in persistent contrails (2009)
D. Schäuble, C. Voigt, B. Kärcher, P. Stock, H. Schlager, M. Krämer, ...
This study reports the first systematic measurements of nitric acid (HNO<sub>3</sub>) uptake in contrail ice particles at typical aircraft cruise altitudes. During the CIRRUS-III campaign...
Factors controlling contrail cirrus optical depth (2009)
B. Kärcher, U. Burkhardt, S. Unterstrasser, P. Minnis
Aircraft contrails develop into contrail cirrus by depositional growth and sedimentation of ice particles and horizontal spreading due to wind shear. Factors controlling this development include...
Condensed-phase nitric acid in a tropical subvisible cirrus cloud (2007)
Popp, P. J., Marcy, T. P., Watts, L. A., Gao, R. S., Fahey, D. W., Weinstock, E. M., ...
In situ observations in a tropical subvisible cirrus cloud during the Costa Rica Aura Validation Experiment on 2 February 2006 show the presence of condensed-phase nitric acid. The cloud was observed...
Voigt, C., Kärcher, B., Schlager, H., Schiller, C., Krämer, M., De Reus, M., ...
Measurements in nascent ice forming regions are very rare and help understand cirrus cloud formation and the interactions of trace gases with ice crystals. A cirrus cloud has very likely been probed...
Insights into the role of soot aerosols in cirrus cloud formation (2007)
Kärcher, B., Möhler, O., Demott, P. J., Pechtl, S., Yu, F.
Cirrus cloud formation is believed to be domi\-nated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and soot...
In-situ observations and modeling of small nitric acid-containing ice crystals (2007)
Voigt, C., Kärcher, B., Schlager, H., Schiller, C., Krämer, M., De Reus, M., ...
Measurements in nascent ice forming regions are very rare and help understand cirrus cloud formation and the interactions of trace gases with ice crystals. A tenuous cirrus cloud has been probed with...
Insights into the role of soot aerosols in cirrus cloud formation (2007)
Kärcher, B., Möhler, O., Demott, P. J., Pechtl, S., Yu, F.
Cirrus cloud formation is believed to be dominated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and soot...
Voigt, C., Kärcher, B., Schlager, H., Schiller, C., Krämer, M., De Reus, M., ...
Measurements in nascent ice forming regions are very rare and help understand cirrus cloud formation and the interactions of trace gases with ice crystals. A cirrus cloud has very likely been probed...
Insights into the role of soot aerosols in cirrus cloud formation (2007)
Kärcher, B., Möhler, O., Demott, P. J., Pechtl, S., Yu, F.
Cirrus cloud formation is believed to be domi\-nated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and soot...
In-situ observations and modeling of small nitric acid-containing ice crystals (2007)
Voigt, C., Kärcher, B., Schlager, H., Schiller, C., Krämer, M., De Reus, M., ...
Measurements in nascent ice forming regions are very rare and help understand cirrus cloud formation and the interactions of trace gases with ice crystals. A tenuous cirrus cloud has been probed with...
Insights into the role of soot aerosols in cirrus cloud formation (2007)
Kärcher, B., Möhler, O., Demott, P. J., Pechtl, S., Yu, F.
Cirrus cloud formation is believed to be dominated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and soot...
Aerodynamically induced formation of contrails (2007)
Gierens, K., Kärcher, B., Mannstein, H., Mayer, B.
We study the formation and growth of ice particles induced by the cooling of the air while flowing over the wings of cruising aircraft.
In-situ observations and modeling of small nitric acid-containing ice crystals (2007)
Voigt, C., Kärcher, B., Schlager, H., Schiller, C., Krämer, M., De Reus, M., ...
In-situ observations and modeling of small nitric acid-containing ice crystals (2007)
C. Voigt, B. Kärcher, H. Schlager, C. Schiller, M. Krämer, M. De Reus, ...
Measurements in nascent ice forming regions are very rare and help understand cirrus cloud formation and the interactions of trace gases with ice crystals. A tenuous cirrus cloud has been probed with...
Insights into the role of soot aerosols in cirrus cloud formation (2007)
B. Kärcher, O. Möhler, P. J. DeMott, S. Pechtl, F. Yu
Cirrus cloud formation is believed to be dominated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and soot...
C. Voigt, B. Kärcher, H. Schlager, C. Schiller, M. Krämer, M. De Reus, ...
Measurements in nascent ice forming regions are very rare and help understand cirrus cloud formation and the interactions of trace gases with ice crystals. A cirrus cloud has very likely been probed...
Insights into the role of soot aerosols in cirrus cloud formation (2007)
B. Kärcher, O. Möhler, P. J. DeMott, S. Pechtl, F. Yu
Cirrus cloud formation is believed to be domi-nated by homogeneous freezing of supercooled liquid aerosols in many instances. Heterogeneous ice nuclei such as mineral dust, metallic, and soot...
Möhler, O., Benz, S., Bunz, H., Saathoff, H., Schnaiter, M., Kärcher, B., ...
3rd SCOUT-O§3 Annual Meeting, Heraklion, GR, May 7-11, 2007
Insights into the role of soot aerosols in cirrus cloud formation. (2007)
Kärcher, B., Möhler, O., DeMott, P.J., Pechtl, S., Yu, F.
Atmospheric Chemistry and Physics Discussions, 7(2007) S.7843-7905
SPARC Assessment of Stratospheric Aerosol Particles (2006)
Thomason, L.W., Peter, Th., Carslaw, K.S., Kärcher, B., Notholt, J., Bingemer, H., ...
The observation of nitric acid-containing particles in the tropical lower stratosphere (2006)
P. J. Popp, T. P. Marcy, E. J. Jensen, B. Kärcher, D. W. Fahey, R. S. Gao, ...
Airborne in situ measurements over the eastern Pacific Ocean in January 2004 have revealed a new category of nitric acid (HNO3)-containing particles in the tropical lower stratosphere. These...
Kärcher, B., Hendricks, J., Lohmann, U.
Motivated by the need to study the climatic impact of aerosol-related cirrus cloud changes, a physically based parameterization scheme of ice initiation and initial growth of ice crystals in young...
The observation of nitric acid-containing particles in the tropical lower stratosphere (2006)
Popp, P.J., Marcy, T.P., Jensen, E.J., Kärcher, B., Fahey, D.W., Gao, R.S., ...
Airborne in situ measurements over the eastern Pacific Ocean in January 2004 have revealed a new category of nitric acid (HNO3)-containing particles in the tropical lower stratosphere. These...
Nitric acid in cirrus clouds (2006)
Voigt, C., Schlager, H., Ziereis, H., Kärcher, B., Luo, B.P., Schiller, C., ...
Uptake of nitric acid (HNO3) in Arctic cirrus ice crystals was observed on 11 February 2003 by in-situ instruments onboard the M55 Geophysica aircraft. The cirrus cloud with a mean ice water content...
Schwarz, J.P., Gao, R.S., Fahey, D.W., Thomson, D.S., Watts, L.A., Wilson, J.C., ...
A single-particle soot photometer (SP2) was flown on a NASA WB-57F high-altitude research aircraft in November 2004 from Houston, Texas. The SP2 uses laser-induced incandescence to detect individual...
Kärcher, B., Hendricks, J., Lohmann, U.
Motivated by the need to study the climatic impact of aerosol-related cirrus cloud changes, a physically based parameterization scheme of ice initiation and initial growth of ice crystals in young...
Nitric Acid in Tropical Cirrus Clouds (2006)
Voigt, C., Schlager, H., Kärcher, B., Ziereis, H., Fix, A., Kiemle, C., ...
The observation of nitric acid-containing particles in the tropical lower stratosphere (2006)
Popp, P. J., Marcy, T. P., Jensen, E. J., Kärcher, B., Fahey, D. W., Gao, R. S., ...
Airborne in situ measurements over the eastern Pacific Ocean in January 2004 have revealed a new category of nitric acid (HNO3)-containing particles in the tropical lower stratosphere. These...
The observation of nitric acid-containing particles in the tropical lower stratosphere (2006)
Popp, P. J., Marcy, T. P., Jensen, E. J., Kärcher, B., Fahey, D. W., Gao, R. S., ...
Airborne in situ measurements over the eastern Pacific Ocean in January 2004 have revealed a new category of nitric acid (HNO3)-containing particles in the tropical lower stratosphere. These...
Processes governing the chemical composition of the extra-tropical UTLS (2006)
Law, K., Pan, L., Wernli, H., Fischer, H., Haynes, P., Salawitch, R., ...
Aerodynamically induced formation of contrails (2006)
Gierens, K., Kärcher, B., Mannstein, H., Mayer, B.
We study the formation and growth of ice particles induced by the cooling of the air while flowing over the wings of cruising aircraft.
Supersaturation, dehydration, and denitrification in Arctic cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
S. K. Meilinger, B. Kärcher, Th. Peter
An aircraft plume model has been developed on the basis of two coupled trajectory box models. Two boxes, one for plume and one for background conditions, are coupled by means of a mixing...
The role of organic aerosols in homogeneous ice formation (2005)
Recent field observations suggest that the fraction of organic-containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
The Role of Organic Aerosols in Homogeneous Ice Formation (2005)
Recent field observations suggest that the fraction of organic-containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
Do Aircraft Black Carbon Emissions Affect Cirrus Clouds on the Global Scale? (2005)
Hendricks, J., Kärcher, B., Lohmann, U., Ponater, M.
Potential cirrus modifications caused by aircraft-produced black carbon (BC) particles via heterogeneous ice nucleation were studied with a general circulation model. Since the role of BC in cirrus...
Supersaturation, Dehydration, and Denitrification in Arctic Cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
Processes governing the chemical composition of the extra-tropical UTLS (2005)
Law, K., Pan, L., Wernli, H., Fischer, H., Haynes, P., Salawitch, R., ...
Processes governing the chemical composition of the extra-tropical UTLS (2005)
Law, K., Pan, L., Wernli, H., Fischer, H., Haynes, P., Salawitch, R., ...
Supersaturation, dehydration, and denitrification in Arctic cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
The observation of nitric acid-containing particles in the tropical lower stratosphere (2005)
Popp, P. J., Marcy, T. P., Jensen, E. J., Kärcher, B., Fahey, D. W., Gao, R. S., ...
Airborne in situ measurements over the eastern Pacific Ocean in January 2004 have revealed a new category of nitric acid (HNO3)-containing particles in the tropical lower stratosphere. These...
Supersaturation, dehydration, and denitrification in Arctic cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
The role of organic aerosols in homogeneous ice formation (2005)
Recent field observations suggest that the fraction of organic-containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
Meilinger, S. K., Kärcher, B., Peter, Th.
An aircraft plume model has been developed on the basis of two coupled trajectory box models. Two boxes, one for plume and one for background conditions, are coupled by means of a mixing...
Supersaturation, dehydration, and denitrification in Arctic cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
The observation of nitric acid-containing particles in the tropical lower stratosphere (2005)
Popp, P. J., Marcy, T. P., Jensen, E. J., Kärcher, B., Fahey, D. W., Gao, R. S., ...
Airborne in situ measurements over the eastern Pacific Ocean in January 2004 have revealed a new category of nitric acid (HNO3)-containing particles in the tropical lower stratosphere. These...
Supersaturation, dehydration, and denitrification in Arctic cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
The role of organic aerosols in homogeneous ice formation (2005)
Recent field observations suggest that the fraction of organic-containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
Meilinger, S. K., Kärcher, B., Peter, Th.
An aircraft plume model has been developed on the basis of two coupled trajectory box models. Two boxes, one for plume and one for background conditions, are coupled by means of a mixing...
Supersaturation, dehydration, and denitrification in Arctic cirrus (2005)
A polar cirrus case study is discussed with the help of a one-dimensional model with explicit aerosol and ice microphysics. It is demonstrated that continuous cooling of air in regions with small...
J. Hendricks, B. Kärcher, A. Döpelheuer, J. Feichter, U. Lohmann, D. Baumgardner
The black carbon (BC) burden of the upper troposphere and lowermost stratosphere (UTLS) is investigated with the general circulation model (GCM) ECHAM4. The special focus is the contribution of...
Evidence that Nitric Acid Increases Relative Humidity in Low-Temperature Cirrus Clouds (2004)
Gao, R.S., Popp, P.J., Fahey, D.W., Marcy, T.P., Herman, R.L., Weinstock, E.M., ...
Nitric Acid Uptake on Subtropical Cirrus Cloud Particles (2004)
Popp, P.J., Gao, R.S., Marcy, T.P., Fahey, D.W., Hudson, P.K., Thompson, T.L., ...
Particles from Aircraft Exhaust: In-situ Mass Spectrometric Analysis (2004)
Schneider, J., Borrmann, S., Henseler, S., Hock, N., Fiebig, M., Petzold, A., ...
In-Situ Mass Spectrometric Measurements of Aircraft Exhaust Aerosol Particles (2004)
Borrmann, S., Henseler, S., Hock, N., Weimer, S., Kärcher, B., Petzold, A., ...
Report on the Assessment of Stratospheric Aerosol Properties: New Data Record, but no Trend (2004)
Thomason, L.W., Peter, Th., Bekki, S., Bingemer, H., Brogniez, C., Carslaw, K.S., ...
Particles from aircraft exhaust: In-situ mass spectrometric analysis (2004)
Schneider, J., Borrmann, S., Henseler, S., Hock, N., Fiebig, M., Petzold, A., ...
Particles and Cirrus Clouds (PAZI): Overview of results 2000 - 2003 (2004)
Kärcher, B., Schumann, U., Brinkop, S., Busen, R., Fiebig, M., Flentje, H., ...
Report on the Assessment of Stratospheric Aerosol Properties: New Data Record, but no Trend (2004)
Thomason, L.W., Peter, Th., Bekki, S., Bingemer, H., Brogniez, C., Carslaw, K., ...
Hendricks, J., Kärcher, B., Döpelheuer, A., Feichter, J., Lohmann, U., Baumgardner, D.
The black carbon (BC) burden of the upper troposphere and lowermost stratosphere (UTLS) is investigated with the general circulation model (GCM) ECHAM4. The special focus is the contribution of...
The role of organic aerosols in homogeneous ice formation (2004)
Recent field observations suggest that the fraction of organics containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
Meilinger, S. K., Kärcher, B., Peter, Th.
An aircraft plume model has been developed on the basis of two coupled trajectory box models. Two boxes, one for plume and one for background conditions, are coupled by means of a mixing...
Hendricks, J., Kärcher, B., Döpelheuer, A., Feichter, J., Lohmann, U., Baumgardner, D.
The black carbon (BC) burden of the upper troposphere and lowermost stratosphere (UTLS) is investigated with the general circulation model (GCM) ECHAM4. The special focus is the contribution of...
Hendricks, J., Kärcher, B., Döpelheuer, A., Feichter, J., Lohmann, U., Baumgardner, D.
The black carbon (BC) burden of the upper troposphere and lowermost stratosphere (UTLS) is investigated with the general circulation model (GCM) ECHAM4. The special focus is the contribution of...
The role of organic aerosols in homogeneous ice formation (2004)
Recent field observations suggest that the fraction of organics containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
Meilinger, S. K., Kärcher, B., Peter, Th.
An aircraft plume model has been developed on the basis of two coupled trajectory box models. Two boxes, one for plume and one for background conditions, are coupled by means of a mixing...
Hendricks, J., Kärcher, B., Döpelheuer, A., Feichter, J., Lohmann, U., Baumgardner, D.
The black carbon (BC) burden of the upper troposphere and lowermost stratosphere (UTLS) is investigated with the general circulation model (GCM) ECHAM4. The special focus is the contribution of...
Factors controlling upper tropospheric relative humidity (2004)
Factors controlling the distribution of relative humidity in the absence of clouds are examined, with special emphasis on relative humidity over ice (RHI) under upper tropospheric and lower...
Factors controlling upper tropospheric relative humidity (2004)
Factors controlling the distribution of relative humidity in the absence of clouds are examined, with special emphasis on relative humidity over ice (RHI) under upper tropospheric and lower...
J. Hendricks, B. Kärcher, A. Döpelheuer, J. Feichter, U. Lohmann, D. Baumgardner
The black carbon (BC) burden of the upper troposphere and lowermost stratosphere (UTLS) is investigated with the general circulation model (GCM) ECHAM4. The special focus is the contribution of...
S. K. Meilinger, B. Kärcher, Th. Peter
An aircraft plume model has been developed on the basis of two coupled trajectory box models. Two boxes, one for plume and one for background conditions, are coupled by means of a mixing...
The role of organic aerosols in homogeneous ice formation (2004)
Recent field observations suggest that the fraction of organics containing aerosol particles in ice cloud particles is diminished when compared to the background aerosol prior to freezing. In this...
Particles and cirrus clouds (PAZI): overview of results 2000 - 2003. (2004)
Kärcher, B., Schumann, U., Brinkop, S., Busen, R., Fiebig, M., Flentje, H., ...
Aviation, Atmosphere, and Climate (AAC) : Proc.of a European Conf., Friedrichshafen, June 30 - July 3, 2003
Particles and Cirrus Clouds (PAZI): Overview of results 2000-2003 (2003)
Kärcher, B., Schumann, U., Brinkop, S., Busen, R., Flentje, H., Gierens, K., ...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
W. Haag, B. Kärcher, J. Ström, A. Minikin, U. Lohmann, J. Ovarlez, ...
Factors controlling the microphysical link between distributions of relative humidity above ice saturation in the upper troposphere and lowermost stratosphere and cirrus clouds are examined with the...
J. Ström, M. Seifert, B. Kärcher, J. Ovarlez, A. Minikin, ...
Based on in-situ observations performed during the Interhemispheric differences in cirrus properties from anthropogenic emissions (INCA) experiment, we introduce and discuss the cloud presence...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2003)
W. Haag, B. Kärcher, S. Schaefers, O. Stetzer, O. Möhler, U. Schurath, ...
The homogeneous freezing of supercooled H2SO4/H2O aerosols in an aerosol chamber is investigated with a microphysical box model using the activity parameterization of the nucleation rate by Koop et...
O. Möhler, O. Stetzer, S. Schaefers, C. Linke, M. Schnaiter, R. Tiede, ...
The homogeneous freezing of supercooled H2SO4/H2O solution droplets was investigated in the aerosol chamber AIDA (Aerosol Interactions and Dynamics in the Atmosphere) of Forschungszentrum Karlsruhe....
The roles of dynamical variability and aerosols in cirrus cloud formation (2003)
The probability of occurrence of ice crystal number densities in young cirrus clouds is examined based on airborne measurements. The observations have been carried out at midlatitudes in both...
Numerical Simulations of Homogeneous Freezing Processes in the Aerosol Chamber AIDA (2003)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
Ström, J., Seifert, M., Kärcher, B., Ovarlez, J., Minikin, A., ...
Based on in-situ observations performed during the Interhemispheric differences in cirrus properties from anthropogenic emissions (INCA) experiment, we introduce and discuss the cloud presence...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2003)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
The roles of dynamical variability and aerosols in cirrus cloud formation (2003)
The probability of occurrence of ice crystal number densities in young cirrus clouds is examined based on airborne measurements. The observations have been carried out at midlatitudes in both...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
The roles of dynamical variability and aerosols in cirrus cloud formation (2003)
The probability of occurrence of ice crystal number densities in young cirrus clouds is examined based on airborne measurements. The observations have been carried out at midlatitudes in both...
Möhler, O., Stetzer, O., Schaefers, S., Linke, C., Schnaiter, M., Tiede, R., ...
The homogeneous freezing of supercooled H2SO4/H2O solution droplets was investigated in the aerosol chamber AIDA (Aerosol Interactions and Dynamics in the Atmosphere) of Forschungszentrum Karlsruhe....
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2003)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
The homogeneous freezing of supercooled H2SO4/H2O aerosols in an aerosol chamber is investigated with a microphysical box model using the activity parameterization of the nucleation rate by Koop et...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
The roles of dynamical variability and aerosols in cirrus cloud formation (2003)
The probability of occurrence of ice crystal number densities in young cirrus clouds is examined based on airborne measurements. The observations have been carried out at midlatitudes in both...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
The roles of dynamical variability and aerosols in cirrus cloud formation (2003)
The probability of occurrence of ice crystal number densities in young cirrus clouds is examined based on airborne measurements. The observations have been carried out at midlatitudes in both...
Möhler, O., Stetzer, O., Schaefers, S., Linke, C., Schnaiter, M., Tiede, R., ...
The homogeneous freezing of supercooled H2SO4/H2O solution droplets was investigated in the aerosol chamber AIDA (Aerosol Interactions and Dynamics in the Atmosphere) of Forschungszentrum Karlsruhe....
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2003)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
The homogeneous freezing of supercooled H2SO4/H2O aerosols in an aerosol chamber is investigated with a microphysical box model using the activity parameterization of the nucleation rate by Koop et...
Ström, J., Seifert, M., Kärcher, B., Ovarlez, J., Minikin, A., ...
Based on in-situ observations performed during the Interhemispheric differences in cirrus properties from anthropogenic emissions (INCA) experiment, we introduce and discuss the cloud presence...
Haag, W., Kärcher, B., Ström, J., Minikin, A., Lohmann, U., Ovarlez, J., ...
Factors controlling the microphysical link between distributions of relative humidity above ice saturation in the upper troposphere and lowermost stratosphere and cirrus clouds are examined with the...
Ström, J., Seifert, M., Kärcher, B., Ovarlez, J., Minikin, A., Gayet, J. F., ...
The occurrence frequency of cirrus clouds as function of ambient relative humidity over ice, based on in-situ observations performed during the INCA experiment, show a clear difference between the...
Haag, W., Kärcher, B., Ström, J., Minikin, A., Lohmann, U., Ovarlez, J., ...
Factors controlling the distribution of relative humidity above ice saturation in the upper troposphere and lower stratosphere in the presence of cirrus clouds are examined with the help of...
Ström, J., Seifert, M., Kärcher, B., Ovarlez, J., Minikin, A., ...
Based on in-situ observations performed during the Interhemispheric differences in cirrus properties from anthropogenic emissions (INCA) experiment, we introduce and discuss the cloud presence...
Haag, W., Kärcher, B., Ström, J., Minikin, A., Lohmann, U., Ovarlez, J., ...
Factors controlling the microphysical link between distributions of relative humidity above ice saturation in the upper troposphere and lowermost stratosphere and cirrus clouds are examined with the...
Ström, J., Seifert, M., Kärcher, B., Ovarlez, J., Minikin, A., Gayet, J. F., ...
The occurrence frequency of cirrus clouds as function of ambient relative humidity over ice, based on in-situ observations performed during the INCA experiment, show a clear difference between the...
Haag, W., Kärcher, B., Ström, J., Minikin, A., Lohmann, U., Ovarlez, J., ...
Factors controlling the distribution of relative humidity above ice saturation in the upper troposphere and lower stratosphere in the presence of cirrus clouds are examined with the help of...
O. Möhler, O. Stetzer, S. Schaefers, C. Linke, M. Schnaiter, R. Tiede, ...
The homogeneous freezing of supercooled H 2 SO 4 /H 2 O solution droplets was investigated in the aerosol chamber AIDA (Aerosol Interactions and Dynamics in the Atmosphere) of Forschungszentrum...
W. Haag, B. Kärcher, J. Ström, A. Minikin, U. Lohmann, J. Ovarlez, ...
Factors controlling the distribution of relative humidity above ice saturation in the upper troposphere and lower stratosphere in the presence of cirrus clouds are examined with the help of...
J. Ström, M. Seifert, B. Kärcher, J. Ovarlez, A. Minikin, J. F. Gayet, ...
The occurrence frequency of cirrus clouds as function of ambient relative humidity over ice, based on in-situ observations performed during the INCA experiment, show a clear difference between the...
This work describes a process-oriented, microphysical-chemical model to simulate the formation and evolution of aerosols and ice crystals under the conditions prevailing in the upper troposphere and...
Möhler, O., Stetzer, O., Schaefers, S., Linke, C., Schnaiter, M., Tiede, R., ...
Atmospheric Chemistry and Physics Discussions, 2(2002) S.1429-65
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA. (2003)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
Atmospheric Chemistry and Physics, 3(2003) S.195-210
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA. (2003)
Haag, W., Möhler, O., Krämer, M., Kärcher, B.
Stratospheric Ozone 2002 : Proc.of the 6th European Symp.,Göteborg, S, September 2-6, 2002
Formation and properties of cirrus clouds in the UTLS region. (2003)
Kärcher, B., Haag, W., Lohmann, U., Möhler, O., Ström, J.
Stratospheric Ozone 2002 : Proc.of the 6th European Symp.,Göteborg, S, September 2-6, 2002
Properties of subvisible cirrus clouds formed by homogeneous freezing (2002)
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are...
Suppression of chlorine activation on aviation-produced volatile particles (2002)
S. K. Meilinger, B. Kärcher, Th. Peter
We examine the effect of nanometer-sized aircraft-induced aqueous sulfuric acid (H2SO4/H2O) particles on atmospheric ozone as a function of temperature. Our calculations are based on a previously...
Schumann, U., Arnold, F., Busen, R., Kärcher, B., ...
The series of SULFUR experiments was performed to determine the aerosol particle and contrail formation properties of aircraft exhaust plumes for different fuel sulfur contents (FSC, from 2 to 5500...
First Interactive Simulations of Cirrus Clouds Formed by Homogeneos Freezing in the ECHAM GCM (2002)
Cirrus Parcel Model Comparison Phase 2 (2002)
Starr, D.O'C., DeMott, P.J., Cotton, R., Jensen, E., Kärcher, B., ...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2002)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
The homogeneous freezing of supercooled H2SO4/H2O aerosols in an aerosol chamber is investigated with a microphysical box model using the activity parameterization of the nucleation rate by Koop et...
Möhler, O., Stetzer, O., Schaefers, S., Linke, C., Schnaiter, M., Tiede, R., ...
The homogeneous freezing of supercooled H2SO4/H2O solution droplets was investigated in the aerosol chamber AIDA (Aerosol Interactions and Dynamics in the Atmosphere) of Forschungszentrum Karlsruhe....
Suppression of chlorine activation on aviation-produced volatile particles (2002)
Meilinger, S. K., Kärcher, B., Peter, Th.
We examine the effect of nm-sized aircraft-induced aqueous sulfuric acid (H2SO4/H2O) particles on atmospheric ozone as a function of temperature. Our calculations are based on a previously derived...
Properties of subvisible cirrus clouds formed by homogeneous freezing (2002)
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are...
Suppression of chlorine activation on aviation-produced volatile particles (2002)
Meilinger, S. K., Kärcher, B., Peter, Th.
We examine the effect of nanometer-sized aircraft-induced aqueous sulfuric acid (H2SO4/H2O) particles on atmospheric ozone as a function of temperature. Our calculations are based on a previously...
Properties of subvisible cirrus clouds formed by homogeneous freezing (2002)
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2002)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
The homogeneous freezing of supercooled H2SO4/H2O aerosols in an aerosol chamber is investigated with a microphysical box model using the activity parameterization of the nucleation rate by Koop et...
Möhler, O., Stetzer, O., Schaefers, S., Linke, C., Schnaiter, M., Tiede, R., ...
The homogeneous freezing of supercooled H2SO4/H2O solution droplets was investigated in the aerosol chamber AIDA (Aerosol Interactions and Dynamics in the Atmosphere) of Forschungszentrum Karlsruhe....
Suppression of chlorine activation on aviation-produced volatile particles (2002)
Meilinger, S. K., Kärcher, B., Peter, Th.
We examine the effect of nm-sized aircraft-induced aqueous sulfuric acid (H2SO4/H2O) particles on atmospheric ozone as a function of temperature. Our calculations are based on a previously derived...
Properties of subvisible cirrus clouds formed by homogeneous freezing (2002)
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are...
Suppression of chlorine activation on aviation-produced volatile particles (2002)
Meilinger, S. K., Kärcher, B., Peter, Th.
We examine the effect of nanometer-sized aircraft-induced aqueous sulfuric acid (H2SO4/H2O) particles on atmospheric ozone as a function of temperature. Our calculations are based on a previously...
Properties of subvisible cirrus clouds formed by homogeneous freezing (2002)
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are...
Properties of subvisible cirrus clouds formed by homogeneous freezing (2002)
Number concentrations and mean sizes of ice crystals and derived microphysical and optical properties of subvisible cirrus clouds (SVCs) formed by homogeneous freezing of supercooled aerosols are...
Suppression of chlorine activation on aviation-produced volatile particles (2002)
S. K. Meilinger, B. Kärcher, Th. Peter
We examine the effect of nm-sized aircraft-induced aqueous sulfuric acid (H<sub>2</sub>SO<sub>4</sub>/H<sub>2</sub>O) particles on atmospheric ozone as a function...
O. Möhler, O. Stetzer, S. Schaefers, C. Linke, M. Schnaiter, R. Tiede, ...
The homogeneous freezing of supercooled H<sub>2</sub>SO<sub>4</sub>/H<sub>2</sub>O solution droplets was investigated in the aerosol chamber AIDA (Aerosol...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA (2002)
W. Haag, B. Kärcher, S. Schaefers, O. Stetzer, O. Möhler, U. Schurath, ...
The homogeneous freezing of supercooled H<sub>2</sub>SO<sub>4</sub>/H<sub>2</sub>O aerosols in an aerosol chamber is investigated with a microphysical box model...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA. (2002)
Haag, W., Kärcher, B., Schaefers, S., Stetzer, O., Möhler, O., Schurath, U., ...
Atmospheric Chemistry and Physics Discussions, 2(2002) S.1467-1508
On the Unification of Aircraft Ultrafine Particle Emission Data (2001)
Kärcher, B., Turco, R.P., Yu F., Danilin, M.Y., Weisenstein, D.K., Miake-Lye, R.C., ...
On the Transition of Contrails into Cirrus Clouds (2000)
Schröder, F., Kärcher, B., Duroure, C., Ström, J., Petzold, A., ...
Observations of Aerosol Properties above Ice Saturation in the Tropopause Region (2000)
Petzold, A., Hoell, C., Kärcher, B., Schiller, C., Schlager, H.
New Particle Formation in Aircraft Exhaust Plumes (2000)
Kärcher, B., Turco, R.P., Yu, F., Danilin, M.Y., Weisenstein, D.K., Miake-Lye, R.C., ...
A Unified Model for Ultrafine Aircraft Particle Emissions (2000)
Kärcher, B., Turco, R.P., Yu, F., Danilin, M.Y., Weisenstein, D.K., Miake-Lye, R.C., ...
Ultrafine particle size distributions measured in aircraft exhaust plumes (2000)
Brock, C., Schröder, F., Kärcher, B., Petzold, A., Busen, R., Fiebig, M.
Particle Number and Mass EIs Measured Behind a Flying B 737-300 (1999)
Brock, C., Schröder, F., Petzold, A., Kärcher, B., Busen, R., Schulte, P., ...
Aviation-Produced Aerosols and Cloudiness (1999)
Fahey, D.W., Schumann, U., Ackerman, S., Artaxo, P., Boucher, O., Danilin, M.Y., ...
Aviation Fuel Tracer Simulation: Model Intercomparison and Implications (1998)
Danilin, M.Y., Fahey, D.W., Schumann, U., Prather, M.J., Penner, J.E., Ko, M.K.W., ...
An upper limit for aircraft-produced perturbations to aerosols and gaseous exhaust products in the upper troposphere and lower stratosphere (UT/LS) is derived using the 1992 aviation fuel tracer...
Kärcher, B., Busen, R., Petzold, A., Schröder, F.P., Schumann, U., Jensen, E.J.
Results from a coupled microphysical-chemical-dynamical trajectory box model have been compared to recent in situ observations of particles generated in the wake of aircraft. Sulfur emissions mainly...
Ultrafine Aerosol Particles in Aircraft Plumes: In Situ Observations (1998)
Schröder, F.P., Kärcher, B., Petzold, A., Baumann, R., Busen, R., Hoell, C., ...
Measurements of ultrafine particles in the near field of the DLR research aircraft ATTAS using low (0.02 g/kg fuel) and high (2.7g/kg) fuel sulfur contents (FSCs) are presented. Soot emissions of ∼...
Pollutants from Air Traffic: Results of Atmospheric Research 1992-1997 (1997)
Schumann, U., Chlond, A., Ebel, A., Kärcher, B., Pak, H., Schlager, H., ...
The Initial Composition of Jet Condensation Trails (1996)
Kärcher, B., Peter, T., Biermann, M., Schumann, U.
Physicochemical processes that generate and transform aerosols in jet aircraft plumes are discussed on the basis of theoretical models and recent observations of young contrails in the upper...