M. Kamphus, M. Ettner-Mahl, F. Drewnick, L. Keller, D. J. Cziczo, S. Mertes, ...
Two different single particle mass spectrometers were operated in parallel at the Swiss High Alpine Research Station Jungfraujoch (JFJ, 3580 m a.s.l.) during the Cloud and Aerosol Characterization...
H. Bönisch, A. Engel, J. Curtius, Th. Birner, P. Hoor
The seasonality of transport and mixing of air into the lowermost stratosphere (LMS) is studied using distributions of mean age of air and a mass balance approach, based on in-situ observations of...
Evidence for ice particles in the tropical stratosphere from in-situ measurements (2009)
M. De Reus, S. Borrmann, A. Bansemer, A. J. Heymsfield, R. Weigel, C. Schiller, ...
In-situ ice crystal size distribution measurements are presented within the tropical troposphere and lower stratosphere. The measurements were performed using a combination of a Forward Scattering...
Results from the CERN pilot CLOUD experiment (2009)
J. Duplissy, M. B. Enghoff, K. L. Aplin, F. Arnold, H. Aufmhoff, M. Avngaard, ...
During a 4-week run in October–November 2006, a pilot experiment was performed at the CERN Proton Synchrotron in preparation for the CLOUD<sup>1</sup> experiment, whose aim is to study...
Applicability of condensation particle counters to measure atmospheric clusters (2008)
Sipilä, M., Lehtipalo, K., Kulmala, M., Petäjä, T., Junninen, H., Aalto, P. P., ...
The ambient and laboratory molecular and ion clusters were investigated. Here we present data on the ambient concentrations of both charged and uncharged molecular clusters as well as the performance...
Applicability of condensation particle counters to measure atmospheric clusters (2008)
Sipilä, M., Lehtipalo, K., Kulmala, M., Petäjä, T., Junninen, H., Aalto, P. P., ...
The ambient and laboratory molecular and ion clusters were investigated. Here we present data on the ambient concentrations of both charged and uncharged molecular clusters as well as the performance...
Applicability of condensation particle counters to measure atmospheric clusters (2008)
Sipilä, M., Lehtipalo, K., Kulmala, M., Petäjä, T., Junninen, H., Aalto, P. P., ...
Evidence for ice particles in the tropical stratosphere from in-situ measurements (2008)
De Reus, M., Borrmann, S., Heymsfield, A. J., Weigel, R., Schiller, C., Mitev, V., ...
Applicability of condensation particle counters to measure atmospheric clusters (2008)
M. Sipilä, K. Lehtipalo, M. Kulmala, T. Petäjä, H. Junninen, P. P. Aalto, ...
This study presents an evaluation of a pulse height condensation particle counter (PH-CPC) and an expansion condensation particle counter (E-CPC) in terms of measuring ambient and...
Applicability of condensation particle counters to measure atmospheric clusters (2008)
M. Sipilä, K. Lehtipalo, M. Kulmala, T. Petäjä, H. Junninen, P. P. Aalto, ...
The ambient and laboratory molecular and ion clusters were investigated. Here we present data on the ambient concentrations of both charged and uncharged molecular clusters as well as the performance...
Evidence for ice particles in the tropical stratosphere from in-situ measurements (2008)
M. De Reus, S. Borrmann, A. J. Heymsfield, R. Weigel, C. Schiller, V. Mitev, ...
In-situ ice crystal size distribution measurements are presented within the tropical troposphere and lower stratosphere. The measurements were performed using a combination of a Forward Scattering...
H. Bönisch, A. Engel, J. Curtius, T. Birner, P. Hoor
The seasonality of transport and mixing of air into the lowermost stratosphere (LMS) is studied using distributions of mean age of air and a~mass balance approach, based on in-situ observations of...
H. Bönisch, A. Engel, J. Curtius, T. Birner, P. Hoor
The seasonality of transport and mixing of air into the lowermost stratosphere (LMS) is studied using distributions of mean age of air and a~mass balance approach, based on in-situ observations of...
Size matters more than chemistry for cloud-nucleating ability of aerosol particles (2006)
Dusek, U., Frank, G. P., Hildebrandt, L., Curtius, J., Schneider, J., Walter, S., ...
Digital crossed-beam holography for in situ imaging of atmospheric ice particles (2006)
Raupach, S. M. F., Vössing, H. J., Curtius, J., Borrmann, S.
C. Voigt, H. Schlager, B. P. Luo, A. Dörnbrack, A. Roiger, P. Stock, ...
A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...
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...
Firework Emissions for Satellite Validation? (2005)
Williams, J., Drewnick, F., Hings, S. S., Curtius, J., Eerdekens, G., Klüpfel, Th., ...
Voigt, C., Schlager, H., Luo, B., Dörnbrack, A., Roiger, A., Stock, P., ...
Curtius, J., Weigel, R., Wernli, H., Werner, A., ...
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...
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...
Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...
A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...
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...
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...
Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...
A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid...
Laboratory studies of the homogeneous nucleation of iodine oxides (2004)
J. B. Burkholder, J. Curtius, A. R. Ravishankara, E. R. Lovejoy
Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of excess ozone. Measurements were performed...
Nitric Acid in Cirrus and Polar Stratospheric Clouds (2004)
Voigt, C., Schlager, H., Luo, B.P., Dörnbrack, A., Curtius, J., Vössing, H., ...
Particles and Cirrus Clouds (PAZI) - Overview of Results 2000-2003 (2004)
Kärcher, Bernd, Schumann, Ulrich, Brinkop, Sabine, Busen, Reinhold, Fiebig, Markus, Flentje, Harald, ...
Laboratory studies of the homogeneous nucleation of iodine oxides (2004)
Burkholder, J. B., Curtius, J., Ravishankara, A. R., Lovejoy, E. R.
Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)
Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...
Particles and Cirrus Clouds (PAZI): Overview of results 2000 - 2003 (2004)
Kärcher, B., Schumann, U., Brinkop, S., Busen, R., Fiebig, M., Flentje, H., ...
Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)
Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...
A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...
Laboratory studies of the homogeneous nucleation of iodine oxides (2004)
Burkholder, J. B., Curtius, J., Ravishankara, A. R., Lovejoy, E. R.
Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of excess ozone. Measurements were performed...
Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)
Voigt, C., Schlager, H., Luo, B. P., Dörnbrack, A., Roiger, A., Stock, P., ...
A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...
Laboratory studies of the homogeneous nucleation of iodine oxides (2004)
Burkholder, J. B., Curtius, J., Ravishankara, A. R., Lovejoy, E. R.
Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of excess ozone. Measurements were performed...
Nitric acid trihydrate (NAT) formation at low NAT supersaturations (2004)
C. Voigt, H. Schlager, B. P. Luo, A. Dörnbrack, A. Roiger, P. Stock, ...
A polar stratospheric cloud (PSC) was observed on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities...
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
Laboratory studies of the homogeneous nucleation of iodine oxides (2003)
Burkholder, J. B., Curtius, J., Ravishankara, A. R., Lovejoy, E. R.
Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of excess ozone. Measurements were performed...
Laboratory studies of the homogeneous nucleation of iodine oxides (2003)
Burkholder, J. B., Curtius, J., Ravishankara, A. R., Lovejoy, E. R.
Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of excess ozone. Measurements were performed...
Laboratory studies of the homogeneous nucleation of iodine oxides (2003)
J. B. Burkholder, J. Curtius, A. R. Ravishankara, E. R. Lovejoy
Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF<sub>3</sub>I or...
Schumann,U., Arnold,F., Busen,R., Curtius,J., Karcher,B., Kiendler,A., ...
[1] 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...
Curtius,J., Arnold,F., Schulte,P.
[1] Sulfuric acid concentrations were measured in the exhaust plume of a B737-300 aircraft in flight. The measurements were made onboard of the German research aircraft Falcon using the Volatile...
Curtius, J., Arnold, F., Schulte, P.
[1] Sulfuric acid concentrations were measured in the exhaust plume of a B737-300 aircraft in flight. The measurements were made onboard of the German research aircraft Falcon using the Volatile...
Schumann, U., Arnold, F., Busen, R., Curtius, J., Karcher, B., Kiendler, A., ...
[1] 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...
An instrument for the direct in situ measurement of aerosol sulfuric acid in the atmosphere has been developed, characterized and calibrated. The instrument termed Volatile Aerosol Component Analyzer...
Curtius,J., Sierau,B., Arnold,F., De Reus,M., Strom,J., Scheeren,H. A., ...
Measurements of aerosol sulfuric acid in the free troposphere were performed in the vicinity of Tenerife, Canary Islands (28degreesN, 16degreesW), in July 1997. These measurements were carried out on...
An instrument for the direct in situ measurement of aerosol sulfuric acid in the atmosphere has been developed, characterized and calibrated. The instrument termed Volatile Aerosol Component Analyzer...
Curtius, J., Sierau, B., Arnold, F., De Reus, M., Strom, J., Scheeren, H. A., ...
Measurements of aerosol sulfuric acid in the free troposphere were performed in the vicinity of Tenerife, Canary Islands (28degreesN, 16degreesW), in July 1997. These measurements were carried out on...
Detection of Massive Negative Chemiions in the Exhaust Plume of a Jet Aircraft in Flight (1999)
Arnold, F., Curtius, J., Sierau, B., Bürger, V., Busen, R., Schumann, U.
Gaseous negative ions were mass spectrometrically measured in the exhaust plume of a jet aircraft in flight. Using a quadrupole mass spectrometer operated in a high-pass mode, it was found that by...
Observation of NOy uptake by Particles in the Arctic Tropopause Region at Low Temperatures (1999)
Feigl, C., Schlager, H., Ziereis, H., Curtius, J., Arnold, F., Schiller, C.
HNO3 Partitioning in Cirrus Clouds. (1999)
Meilinger, S. K., Tsias, A., Dreiling, V., Kuhn, M., Feigl, Ch., Ziereis, H., ...
First Direct Sulfuric Acid Detection in the Exhaust Plume of a Jet Aircraft in Flight (1998)
Curtius, J., Sierau, B., Arnold, F., Baumann, R., Busen, R., Schulte, P., ...
Sulfuric acid (SA) was for the first time directly detected in the exhaust plume of a jet aircraft in flight. The measurements were made by a novel aircraft-based VACA (Volatile Aerosol Component...
An analysis of quasi-lagrangian observations of particle groth during the POLSTAR-1 campaign (1998)
Meilinger, S.K., Tsias, A., Peter, T., Dreiling, V., Kuhn, M., Ziereis, H., ...
During the POLSTAR-1 winter campaign conducted from Kiruna (Sweden) in 1998 (20 January - 6 February), measurements were made of gas-phase and total water vapour, gas-phase nitric acid, reactive...