Makkonen, R., Asmi, A., Korhonen, H., Kokkola, H., Järvenoja, S., Räisänen, P., ...
The global aerosol-climate model ECHAM5-HAM was modified to improve the representation of new particle formation in the boundary layer. Activation-type nucleation mechanism was introduced to produce...
A GCM study of future climate response to aerosol pollution reductions (2009)
Kloster, S., Dentener, F., Feichter, J., Raes, F., Lohmann, U., Roeckner, E., ...
We use the global atmospheric GCM aerosol model ECHAM5-HAM to asses possible impacts of future air pollution mitigation strategies on climate. Air quality control strategies focus on the reduction of...
R. Makkonen, A. Asmi, H. Korhonen, H. Kokkola, S. Järvenoja, P. Räisänen, ...
The global aerosol-climate model ECHAM5-HAM was modified to improve the representation of new particle formation in the boundary layer. Activation-type nucleation mechanism was introduced to produce...
Aerosol size-dependent below-cloud scavenging by rain and snow in the ECHAM5-HAM (2009)
B. Croft, U. Lohmann, R. V. Martin, P. Stier, S. Wurzler, J. Feichter, ...
Wet deposition processes are highly efficient in the removal of aerosols from the atmosphere, and thus strongly influence global aerosol concentrations, and clouds, and their respective radiative...
Quaas, J., Ming, Y., Menon, S., Takemura, T., Wang, M., Penner, J., ...
Aerosol indirect effects continue to constitute one of the most important uncertainties for anthropogenic climate perturbations. Within the international AEROCOM initiative, the representation of...
Contributions from DMS and ship emissions to CCN observed over the summertime North Pacific (2009)
L. Phinney, W. R. Leaitch, U. Lohmann, N. C. Shantz, D. R. Worsnop
Measurements of cloud condensation nuclei (CCN) made over the remote North Pacific Ocean in July 2002 are analysed with concurrent measurements of aerosol number, mass and composition. Overall the...
Influence of particle size on the ice nucleating ability of mineral dusts (2009)
A. Welti, F. Lüönd, O. Stetzer, U. Lohmann
The recently developed Zurich Ice Nucleation Chamber (ZINC) was used to explore ice nucleation of size-selected mineral dust particles at temperatures between −20°C and −55°C....
Aerosol size-dependent below-cloud scavenging by rain and snow in the ECHAM5-HAM (2009)
B. Croft, U. Lohmann, R. V. Martin, P. Stier, S. Wurzler, J. Feichter, ...
Wet deposition processes are highly efficient in the removal of aerosols from the atmosphere, and thus strongly influence global aerosol concentrations, and clouds, and their respective radiative...
Orographic cirrus in the future climate (2009)
H. Joos, P. Spichtinger, U. Lohmann
A cloud resolving model (CRM) is used to investigate the formation of orographic cirrus clouds in the current and future climate. The formation of cirrus clouds depends on a variety of dynamical and...
J. Quaas, Y. Ming, S. Menon, T. Takemura, M. Wang, J. E. Penner, ...
Aerosol indirect effects continue to constitute one of the most important uncertainties for anthropogenic climate perturbations. Within the international AEROCOM initiative, the representation of...
Sensitivity studies of different aerosol indirect effects in mixed-phase clouds (2009)
Aerosols affect the climate system by changing cloud characteristics. Using the global climate model ECHAM5-HAM, we investigate different aerosol effects on mixed-phase clouds: The glaciation effect,...
Aerosol Size-Dependent Below-Cloud Scavenging by Rain and Snow in the ECHAM5-HAM (2009)
Croft, B., Lohmann, U., Stier, P., Wurzler, S., Feichter, J., Martin, R. V., ...
Wet deposition processes are highly efficient in the removal of aerosols from the atmosphere, and thus strongly influence global aerosol concentrations, and clouds, and their respective radiative...
Influence of particle size on the ice nucleating ability of mineral dusts (2009)
A. Welti, F. Lüönd, O. Stetzer, U. Lohmann
The recently developed Zurich Ice Nucleation Chamber (ZINC) was used to explore ice nucleation of size-selected mineral dust particles at temperatures between −20°C and −55°C....
Orographic cirrus in a future climate (2009)
H. Joos, P. Spichtinger, U. Lohmann
A cloud resolving model (CRM) is used to investigate the formation of orographic cirrus clouds in the current and future climate. The formation of cirrus clouds depends on a variety of dynamical and...
B. Croft, U. Lohmann, R. V. Martin, P. Stier, S. Wurzler, J. Feichter, ...
A diagnostic nucleation scavenging scheme, which determines stratiform cloud scavenging ratios for both aerosol mass and number distributions, based on cloud droplet, and ice crystal number...
ECHAM5: design and Single Column Model simulations (2008)
www.atmos-chem-phys-discuss.net/7/14675/2007/
Makkonen, R., Asmi, A., Korhonen, H., Kokkola, H., Järvenoja, S., Räisänen, P., ...
The global aerosol-climate model ECHAM5-HAM was modified to improve the representation of new particle formation in the boundary layer. Activation-type nucleation mechanism was introduced to produce...
Influence of future air pollution mitigation strategies on total aerosol radiative forcing (2008)
Kloster, S., Dentener, F., Feichter, J., Raes, F., Van Aardenne, J., Roeckner, E., ...
We apply different aerosol and aerosol precursor emission scenarios reflecting possible future control strategies for air pollution in the ECHAM5-HAM model, and simulate the resulting effect on the...
Introduction of prognostic rain in ECHAM5: design and single column model simulations (2008)
Prognostic equations for the rain mass mixing ratio and the rain drop number concentration are introduced into the large-scale cloud microphysics parameterization of the ECHAM5 general circulation...
Global anthropogenic aerosol effects on convective clouds in ECHAM5-HAM (2008)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei and may have an influence on the hydrological cycle. Here we...
Makkonen, R., Asmi, A., Korhonen, H., Kokkola, H., Järvenoja, S., Räisänen, P., ...
The global aerosol-climate model ECHAM5-HAM was modified to improve the representation of new particle formation in the boundary layer. Activation-type nucleation mechanism was introduced to produce...
Influence of future air pollution mitigation strategies on total aerosol radiative forcing (2008)
Kloster, S., Dentener, F., Feichter, J., Raes, F., Van Aardenne, J., Roeckner, E., ...
We apply different aerosol and aerosol precursor emission scenarios reflecting possible future control strategies for air pollution in the ECHAM5-HAM model, and simulate the resulting effect on the...
Introduction of prognostic rain in ECHAM5: design and single column model simulations (2008)
Prognostic equations for the rain mass mixing ratio and the rain drop number concentration are introduced into the large-scale cloud microphysics parameterization of the ECHAM5 general circulation...
Global anthropogenic aerosol effects on convective clouds in ECHAM5-HAM (2008)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei and may have an influence on the hydrological cycle. Here we...
Influence of future air pollution mitigation strategies on total aerosol radiative forcing (2008)
Kloster, S., Dentener, F., Feichter, J., Raes, F., Aardenne, J. Van, Roeckner, E., ...
Flood or drought: How do aerosols affect precipitation? (2008)
Rosenfeld, D., Lohmann, U., Raga, G. B., O'Dowd, C. D., Kulmala, M., Fuzzi, S., ...
Global anthropogenic aerosol effects on convective clouds in ECHAM5-HAM (2008)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei and may have an influence on the hydrological cycle. Here we...
Introduction of prognostic rain in ECHAM5: design and single column model simulations (2008)
Prognostic equations for the rain mass mixing ratio and the rain drop number concentration are introduced into the large-scale cloud microphysics parameterization of the ECHAM5 general circulation...
Influence of Giant CCN on warm rain processes in the ECHAM5 GCM (2008)
Increased Cloud Condensation Nuclei (CCN) load due to anthropogenic activity might lead to non-precipitating clouds because the cloud drops become smaller (for a constant liquid water content) and,...
No abstract available.
Influence of future air pollution mitigation strategies on total aerosol radiative forcing (2008)
S. Kloster, F. Dentener, J. Feichter, F. Raes, J. Van Aardenne, E. Roeckner, ...
We apply different aerosol and aerosol precursor emission scenarios reflecting possible future control strategies for air pollution in the ECHAM5-HAM model, and simulate the resulting effect on the...
Global simulations of aerosol processing in clouds (2008)
C. Hoose, U. Lohmann, R. Bennartz, B. Croft, G. Lesins
An explicit and detailed representation of in-droplet and in-crystal aerosol particles in stratiform clouds has been introduced in the global aerosol-climate model ECHAM5-HAM. The new scheme allows...
No abstract available.
Influence of future air pollution mitigation strategies on total aerosol radiative forcing (2008)
S. Kloster, F. Dentener, J. Feichter, F. Raes, J. Van Aardenne, E. Roeckner, ...
We apply different aerosol and aerosol precursor emission scenarios reflecting possible future control strategies for air pollution in the ECHAM5-HAM model, and simulate the resulting effect on the...
R. Makkonen, A. Asmi, H. Korhonen, H. Kokkola, S. Järvenoja, P. Räisänen, ...
The global aerosol-climate model ECHAM5-HAM was modified to improve the representation of new particle formation in the boundary layer. Activation-type nucleation mechanism was introduced to produce...
Global simulations of aerosol processing in clouds (2008)
C. Hoose, U. Lohmann, R. Bennartz, B. Croft, G. Lesins
An explicit and detailed representation of in-droplet and in-crystal aerosol particles in stratiform clouds has been introduced in the global aerosol-climate model ECHAM5-HAM. The new scheme allows...
M. Nicolet, O. Stetzer, U. Lohmann, O. Möhler
In order to determine the efficiency of aerosol particles of several types to nucleate ice, an Ice Optical DEpolarization detector (IODE) was developed to distinguish between water droplets and ice...
Gallavardin, S.J., Froyd, K.D., Lohmann, U., Moehler, O., Murphy, D.M., Cziczo, D.J.
Aerosol Science and Technology, 42(2008) S.773-91
Ghan Pacific Northwest, S. J. Ghan, D. G. Cripe, R. T. Cederwall, S. C. Xie, ...
Introduction The ultimate goal of the Atmospheric Radiation Measurement (ARM) Program is the improvement of parameterizations of clouds and radiation used in climate models. This goal is being...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Ferrachat, S., Kloster, S., Roeckner, E., ...
The double-moment cloud microphysics scheme from ECHAM4 that predicts both the mass mixing ratios and number concentrations of cloud droplets and ice crystals has been coupled to the size-resolved...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Ferrachat, S., Rockner, E., Zhang, J.
The double-moment cloud microphysics scheme from ECHAM4 has been coupled to the size-resolved aerosol scheme ECHAM5-HAM. ECHAM5-HAM predicts the aerosol mass and number concentrations and the aerosol...
Lohmann, U., Quaas, J., Kinne, S., Feichter, J.
Assessments of the influence of aerosol emissions from human activities on the radiation budget, in particular via the modification of cloud properties, have been a challenge. In light of the...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Kloster, S., Roeckner, E., Zhang, J.
The double-moment cloud microphysics scheme from ECHAM4 that predicts both the mass mixing ratios and number concentrations of cloud droplets and ice crystals has been coupled to the size-resolved...
Peng, Y., Lohmann, U., Leaitch, R., Kulmala, M.
The aerosol dispersion effect ( the influence of an increasing number of aerosol particles on the width of the cloud droplet size distribution) has been observed in maritime clouds [ e. g., Liu and...
A concept for a satellite mission to measure cloud ice water path and ice particle size (2007)
Buehler, Stefan A., Jimenez, C., Evans, K. F., Rydberg, B., Eriksson, P., Heymsfield, A. J., ...
A passive satellite radiometer operating at submillimetre wavelengths can measure cloud ice water path (IWP), ice particle size, and cloud altitude. The paper first discusses the scientific...
Aerosol scattering as a function of altitude in a coastal environment (2007)
Marshall, J., Lohmann, U., Leaitch, W. R., Lehr, P., Hayden, K.
Solomon, S, Hegerl, GC, Heimann, M, Hewitson, B, Hoskins, BJ, Joos, F, ...
In the six years since the IPCe's Third Assessment Report (TAR), significant progress has been made in understanding past and recent climate change and in projecting future changes. These advances...
Summary for policymakers (2007)
Alley, RB, Hewitson, B, Hoskins, BJ, Joos, F, Jouzel, J, Kattsov, V, ...
The Working Group I contribution to the IPCC Fourth Assessment Report describes progress in understanding of the human and natural drivers of climate change, observed climate change, climate...
Influence of Giant CCN on warm rain processes in the ECHAM5 GCM (2007)
Increased Cloud Condensation Nuclei (CCN) load due to anthropogenic activity might lead to non-precipitating clouds because the cloud drops become smaller (for a constant liquid water content) and,...
Introduction of prognostic rain in ECHAM5: design and Single Column Model simulations (2007)
Prognostic equations for the rain mass mixing ratio and the rain drop number concentration are introduced into the large-scale cloud microphysics parameterization of the ECHAM5 general circulation...
Global anthropogenic aerosol effects on convective clouds in ECHAM5-HAM (2007)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei and may have an influence on the hydrological cycle. Here we...
Lauer, A., Eyring, V., Hendricks, J., Jöckel, P., Lohmann, U.
International shipping contributes significantly to the fuel consumption of all transport related activities. Specific emissions of pollutants such as sulfur dioxide (SO2) per kg of fuel emitted are...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Ferrachat, S., Roeckner, E., Zhang, J.
The double-moment cloud microphysics scheme from ECHAM4 has been coupled to the size-resolved aerosol scheme ECHAM5-HAM. ECHAM5-HAM predicts the aerosol mass and number concentrations and the aerosol...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles (2007)
Salam, A., Lohmann, U., Lesins, G.
The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a...
Lauer, A., Eyring, V., Hendricks, J., Jöckel, P., Lohmann, U.
International shipping contributes significantly to the fuel consumption of all transport related activities. Specific emissions of pollutants such as sulfur dioxide (SO2) per kg of fuel emitted are...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles (2007)
Salam, A., Lohmann, U., Lesins, G.
The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Ferrachat, S., Kloster, S., Roeckner, E., ...
The double-moment cloud microphysics scheme from ECHAM4 that predicts both the mass mixing ratios and number concentrations of cloud droplets and ice crystals has been coupled to the size-resolved...
Influence of Giant CCN on warm rain processes in the ECHAM5 GCM (2007)
Increased Cloud Condensation Nuclei (CCN) load due to anthropogenic activity might lead to non-precipitating clouds because the cloud drops become smaller (for a constant liquid water content) and,...
Introduction of prognostic rain in ECHAM5: design and Single Column Model simulations (2007)
Prognostic equations for the rain mass mixing ratio and the rain drop number concentration are introduced into the large-scale cloud microphysics parameterization of the ECHAM5 general circulation...
Global anthropogenic aerosol effects on convective clouds in ECHAM5-HAM (2007)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei and may have an influence on the hydrological cycle. Here we...
Lauer, A., Eyring, V., Hendricks, J., Jöckel, P., Lohmann, U.
International shipping contributes significantly to the fuel consumption of all transport related activities. Specific emissions of pollutants such as sulfur dioxide (SO2) per kg of fuel emitted are...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Ferrachat, S., Roeckner, E., Zhang, J.
The double-moment cloud microphysics scheme from ECHAM4 has been coupled to the size-resolved aerosol scheme ECHAM5-HAM. ECHAM5-HAM predicts the aerosol mass and number concentrations and the aerosol...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles (2007)
Salam, A., Lohmann, U., Lesins, G.
The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a...
Lauer, A., Eyring, V., Hendricks, J., Jöckel, P., Lohmann, U.
International shipping contributes significantly to the fuel consumption of all transport related activities. Specific emissions of pollutants such as sulfur dioxide (SO2) per kg of fuel emitted are...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles (2007)
Salam, A., Lohmann, U., Lesins, G.
The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
Lohmann, U., Stier, P., Hoose, C., Ferrachat, S., Kloster, S., Roeckner, E., ...
The double-moment cloud microphysics scheme from ECHAM4 that predicts both the mass mixing ratios and number concentrations of cloud droplets and ice crystals has been coupled to the size-resolved...
Summary for policymakers (2007)
Alley, RB, Hewitson, B, Hoskins, BJ, Joos, F, Jouzel, J, Kattsov, V, ...
The Working Group I contribution to the IPCC Fourth Assessment Report describes progress in understanding of the human and natural drivers of climate change, observed climate change, climate...
Summary for Policymakers (2007)
Alley, RB, Berntsen, T, Bindoff, NL, Chen, Z, Chidthaisong, A, Friedlingstein, P, ...
Solomon, S, Hegerl, GC, Heimann, M, Hewitson, B, Hoskins, BJ, Joos, F, ...
In the six years since the IPCe's Third Assessment Report (TAR), significant progress has been made in understanding past and recent climate change and in projecting future changes. These advances...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
U. Lohmann, P. Stier, C. Hoose, S. Ferrachat, S. Kloster, E. Roeckner, ...
The double-moment cloud microphysics scheme from ECHAM4 that predicts both the mass mixing ratios and number concentrations of cloud droplets and ice crystals has been coupled to the size-resolved...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles (2007)
A. Salam, U. Lohmann, G. Lesins
The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a...
A. Lauer, V. Eyring, J. Hendricks, P. Jöckel, U. Lohmann
International shipping contributes significantly to the fuel consumption of all transport related activities. Specific emissions of pollutants such as sulfur dioxide (SO<sub>2</sub>) per...
Ice nucleation of ammonia gas exposed montmorillonite mineral dust particles (2007)
A. Salam, U. Lohmann, G. Lesins
The ice nucleation characteristics of montmorillonite mineral dust aerosols with and without exposure to ammonia gas were measured at different atmospheric temperatures and relative humidities with a...
Cloud microphysics and aerosol indirect effects in the global climate model ECHAM5-HAM (2007)
U. Lohmann, P. Stier, C. Hoose, S. Ferrachat, E. Roeckner, J. Zhang
The double-moment cloud microphysics scheme from ECHAM4 has been coupled to the size-resolved aerosol scheme ECHAM5-HAM. ECHAM5-HAM predicts the aerosol mass and number concentrations and the aerosol...
A. Lauer, V. Eyring, J. Hendricks, P. Jöckel, U. Lohmann
International shipping contributes significantly to the fuel consumption of all transport related activities. Specific emissions of pollutants such as sulfur dioxide (SO<sub>2</sub>) per...
Global anthropogenic aerosol effects on convective clouds in ECHAM5-HAM (2007)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei and may have an influence on the hydrological cycle. Here we...
Introduction of prognostic rain in ECHAM5: design and Single Column Model simulations (2007)
Prognostic equations for the rain mass mixing ratio and the rain drop number concentration are introduced into the large-scale cloud microphysics parameterization of the ECHAM5 general circulation...
Influence of Giant CCN on warm rain processes in the ECHAM5 GCM (2007)
Increased Cloud Condensation Nuclei (CCN) load due to anthropogenic activity might lead to non-precipitating clouds because the cloud drops become smaller (for a constant liquid water content) and,...
Solomon, S, Hegerl, GC, Heimann, M, Hewitson, B, Hoskins, BJ, Joos, F, ...
In the six years since the IPCe's Third Assessment Report (TAR), significant progress has been made in understanding past and recent climate change and in projecting future changes. These advances...
Summary for policymakers (2007)
Alley, RB, Hewitson, B, Hoskins, BJ, Joos, F, Jouzel, J, Kattsov, V, ...
The Working Group I contribution to the IPCC Fourth Assessment Report describes progress in understanding of the human and natural drivers of climate change, observed climate change, climate...
Compositional trends of mineral ice nuclei: a study at the AIDA chamber. (2007)
Möhler, O., Gallavardin, S., Froyd, K., Cziczo, D., Lohmann, U.
24th General Assembly of the Internat.Union of Geodesy and Geophysics (IUGG), Perugia, I, July 2-13, 2007
Bäumer, D., Lohmann, U., Lesins, G., Li, J., Croft, B.
Journal of Geophysical Research, 112(D10207) doi:10.1029/2006JD007319, 2007
Lohmann, R., Jurado, E., Dachs, J., Lohmann, U., Jones, Kevin C.
Previous attempts to establish global mass balances for polychlorinated dioxins and furans (PCDD/Fs) have focused on the terrestrial sink, thereby neglecting deposition to the oceans and atmospheric...
Fuzzi, S., Andreae, M. O., Huebert, B. J., Kulmala, M., Bond, T. C., Boy, M., ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
Fuzzi, S., Andreae, M. O., Huebert, B. J., Kulmala, M., Bond, T. C., Boy, M., ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
Quaas,J., Boucher,O., Lohmann,U.
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
S. Kinne, M. Schulz, C. Textor, S. Guibert, Y. Balkanski, S. E. Bauer, ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
S. Fuzzi, M. O. Andreae, B. J. Huebert, M. Kulmala, T. C. Bond, M. Boy, ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
J. Quaas, O. Boucher, U. Lohmann
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
The effect of physical and chemical aerosol properties on warm cloud droplet activation (2006)
G. McFiggans, P. Artaxo, U. Baltensperger, H. Coe, M. C. Facchini, G. Feingold, ...
The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on cloud radiative properties, or the...
B. Zobrist, C. Marcolli, T. Koop, B. P. Luo, D. M. Murphy, U. Lohmann, ...
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
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...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S.E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
Quaas, J., Boucher, O., Lohmann, U.
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
The effect of physical and chemical aerosol properties on warm cloud droplet activation (2006)
McFiggans, G., Artaxo, P., Baltensperger, U., Coe, H., Facchini, M. C., Feingold, G., ...
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...
Zobrist, B., Marcolli, C., Koop, T., Luo, B. P., Murphy, D. M., Lohmann, U., ...
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential...
Zobrist, B., Marcolli, C., Koop, T., Luo, B. P., Murphy, D. M., Lohmann, U., ...
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential...
The effect of physical and chemical aerosol properties on warm cloud droplet activation (2006)
Mcfiggans, G., Artaxo, P., Baltensperger, U., Coe, H., Facchini, M. C., Feingold, G., ...
The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on cloud radiative properties, or the...
Fuzzi, S., Andreae, M. O., Huebert, B. J., Kulmala, M., Bond, T. C., Boy, M., ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
Zobrist, B., Marcolli, C., Koop, T., Luo, B. P., Murphy, D. M., Lohmann, U., ...
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential...
Zobrist, B., Marcolli, C., Koop, T., Luo, B. P., Murphy, D. M., Lohmann, U., ...
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential...
The effect of physical and chemical aerosol properties on warm cloud droplet activation (2006)
Mcfiggans, G., Artaxo, P., Baltensperger, U., Coe, H., Facchini, M. C., Feingold, G., ...
The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on cloud radiative properties, or the...
Fuzzi, S., Andreae, M. O., Huebert, B. J., Kulmala, M., Bond, T. C., Boy, M., ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
Quaas, J., Boucher, O., Lohmann, U.
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
Quaas, J., Boucher, O., Lohmann, U.
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
B. Zobrist, C. Marcolli, T. Koop, B. P. Luo, D. M. Murphy, U. Lohmann, ...
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential...
Solid ammonium sulfate aerosols as ice nuclei: a pathway for cirrus cloud formation. (2006)
Abbatt, J.P.D., Benz, S., Cziczo, D.J., Kanji, Z., Lohmann, U., Möhler, O.
Science, 313(2006) S.1770-73
Chemical analysis of mineral dusts by aerosol mass spectrometry. (2006)
Gallavardin, S., Froyd, K., Cziczo, D., Möhler, O., Lohmann, U.
European Geosciences Union (EGU) General Assembly, Wien, A, April 2-7, 2006
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
Zhang,M. H., Lin,W. Y., Klein,S. A., Bacmeister,J. T., Bony,S., Cederwall,R. T., ...
To assess the current status of climate models in simulating clouds, basic cloud climatologies from ten atmospheric general circulation models are compared with satellite measurements from the...
B. Croft, U. Lohmann, K. Von Salzen
Black carbon (BC) particles in the atmosphere have important impacts on climate. The amount of BC in the atmosphere must be carefully quantified to allow evaluation of the climate effects of this...
Global indirect aerosol effects: a review (2005)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei, they may inhibit freezing and they could have an influence on the...
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...
Zhang, M. H., Lin, W. Y., Klein, S. A., Bacmeister, J. T., Bony, S., Cederwall, R. T., ...
To assess the current status of climate models in simulating clouds, basic cloud climatologies from ten atmospheric general circulation models are compared with satellite measurements from the...
Fuzzi, S., Andreae, M. O., Huebert, B. J., Kulmala, M., Bond, T. C., Boy, M., ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
The effect of physical and chemical aerosol properties on warm cloud droplet activation (2005)
Mcfiggans, G., Artaxo, P., Baltensperger, U., Coe, H., Facchini, M. C., Feingold, G., ...
The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on cloud radiative properties, or the...
Croft, B., Lohmann, U., Von Salzen, K.
Black carbon (BC) particles in the atmosphere have important impacts on climate. The amount of BC in the atmosphere must be carefully quantified to allow evaluation of the climate effects of this...
Croft, B., Lohmann, U., Von Salzen, K.
Black carbon (BC) particles in the atmosphere have important impacts on climate. The amount of BC in the atmosphere must be carefully quantified to allow evaluation of the climate effects of this...
Global indirect aerosol effects: a review (2005)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei, they may inhibit freezing and they could have an influence on the...
Fuzzi, S., Andreae, M. O., Huebert, B. J., Kulmala, M., Bond, T. C., Boy, M., ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
The effect of physical and chemical aerosol properties on warm cloud droplet activation (2005)
Mcfiggans, G., Artaxo, P., Baltensperger, U., Coe, H., Facchini, M. C., Feingold, G., ...
The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on cloud radiative properties, or the...
Croft, B., Lohmann, U., Von Salzen, K.
Black carbon (BC) particles in the atmosphere have important impacts on climate. The amount of BC in the atmosphere must be carefully quantified to allow evaluation of the climate effects of this...
Croft, B., Lohmann, U., Von Salzen, K.
Black carbon (BC) particles in the atmosphere have important impacts on climate. The amount of BC in the atmosphere must be carefully quantified to allow evaluation of the climate effects of this...
Global indirect aerosol effects: a review (2005)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei, they may inhibit freezing and they could have an influence on the...
Quaas, J., Boucher, O., Lohmann, U.
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
Quaas, J., Boucher, O., Lohmann, U.
Aerosol indirect effects are considered to be the most uncertain yet important anthropogenic forcing of climate change. The goal of the present study is to reduce this uncertainty by constraining two...
Kinne, S., Schulz, M., Textor, C., Guibert, S., Balkanski, Y., Bauer, S. E., ...
The AeroCom exercise diagnoses multi-component aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot)...
B. Croft, U. Lohmann, K. Von Salzen
Black carbon (BC) particles in the atmosphere have important impacts on climate. The amount of BC in the atmosphere must be carefully quantified to allow evaluation of the climate effects of this...
S. Fuzzi, M. O. Andreae, B. J. Huebert, M. Kulmala, T. C. Bond, M. Boy, ...
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still...
Can aerosols spin down the water cycle in a warmer and moister world? (2004)
Liepert,B. G., Feichter,Johann, Lohmann,U., Roeckner,Erich
Surface observations show puzzling evidence of reduced solar warming and concurrent increasing temperature during the last four decades. Based on climate simulations with the general circulation...
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...
Particles and Cirrus Clouds (PAZI) - Overview of Results 2000-2003 (2004)
Kärcher, Bernd, Schumann, Ulrich, Brinkop, Sabine, Busen, Reinhold, Fiebig, Markus, Flentje, Harald, ...
Particles and Cirrus Clouds (PAZI): Overview of results 2000 - 2003 (2004)
Kärcher, B., Schumann, U., Brinkop, S., Busen, R., Fiebig, M., Flentje, H., ...
Can aerosols spin down the water cycle in a warmer and moister world? (2004)
Liepert, B. G., Feichter, Johann, Lohmann, U., Roeckner, Erich
Surface observations show puzzling evidence of reduced solar warming and concurrent increasing temperature during the last four decades. Based on climate simulations with the general circulation...
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...
Global indirect aerosol effects: a review (2004)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei, they may inhibit freezing and they could have an influence on the...
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...
Global indirect aerosol effects: a review (2004)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei, they may inhibit freezing and they could have an influence on the...
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...
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...
Global indirect aerosol effects: a review (2004)
Aerosols affect the climate system by changing cloud characteristics in many ways. They act as cloud condensation and ice nuclei, they may inhibit freezing and they could have an influence on the...
Bäumer, D., Vogel, B., Kottmeier, Ch., Lohmann, U.
Deutsch-Österreichisch-Schweizerische Meteorologen-Tagung (DACH 2004), Karlsruhe, 7.- 10.September 2004 (Poster)
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., ...
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...
A multi-year field measurement analysis of the characteristics and direct radiative effect of aerosols at the Southern Great Plains (SGP) central facility of the Atmospheric Radiation Measurement...
Based on the analysis of five years of field measurements of aerosol and meteorological variables, we present the characteristics, impacts and direct radiative forcing of aerosols at the Southern...
A multi-year field measurement analysis of the characteristics and direct radiative effect of aerosols at the Southern Great Plains (SGP) central facility of the Atmospheric Radiation Measurement...
Based on the analysis of five years of field measurements of aerosol and meteorological variables, we present the characteristics, impacts and direct radiative forcing of aerosols at the Southern...
A multi-year field measurement analysis of the characteristics and direct radiative effect of aerosols at the Southern Great Plains (SGP) central facility of the Atmospheric Radiation Measurement...
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...
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...
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...
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...
Based on the analysis of five years of field measurements of aerosol and meteorological variables, we present the characteristics, impacts and direct radiative forcing of aerosols at the Southern...
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...
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
A comparison of model- and satellite-derived aerosol optical depth and reflectivity (2002)
Penner,J. E., Zhang,S. Y., Chin,M., Chuang,C. C., Feichter,Johann, Feng,Y., ...
The determination of an accurate quantitative understanding of the role of tropospheric aerosols in the earth's radiation budget is extremely important because forcing by anthropogenic aerosols...
First Interactive Simulations of Cirrus Clouds Formed by Homogeneos Freezing in the ECHAM GCM (2002)
A comparison of model- and satellite-derived aerosol optical depth and reflectivity (2002)
Penner, J. E., Zhang, S. Y., Chin, M., Chuang, C. C., Feichter, Johann, Feng, Y., ...
The determination of an accurate quantitative understanding of the role of tropospheric aerosols in the earth's radiation budget is extremely important because forcing by anthropogenic aerosols...
A comparison of model- and satellite-derived aerosol optical depth and reflectivity (2002)
Penner, J. E., Zhang, S., Chin, M., Chuang, C. C., Feichter, J., Feng, Y., ...
The Koeppen Climate Classification as a Diagnostic Tool for General Circulation Models (1993)
Lohmann, U., Sausen, R., Bengtsson, L., Cubasch, U., Perlwitz, J., Roeckner, E.
The Koeppen Climate Classification as a Diagnostic Tool for General Circulation Models. (1992)
Lohmann, U.(1), Sausen, R., Bengtsson, L.(1), Cubasch, U.(2), Perlwitz, J.(3), Roeckner, E.(1)
Schmitz, G, Robenek, H, Lohmann, U, Assmann, G
Morphological and biochemical experiments were carried out to investigate the interaction of human serum high density lipoproteins (HDL) with mouse peritoneal macrophages. It is demonstrated that...
Schmitz, G, Robenek, H, Lohmann, U, Assmann, G
Morphological and biochemical experiments were carried out to investigate the interaction of human serum high density lipoproteins (HDL) with mouse peritoneal macrophages. It is demonstrated that...