M. Ammann

Publication List Details

Period

1995 - 2008

Number

95

Co-Authors

A Platform for Dynamic Spectrum Access Network Experimentation (2008)

L. E. Doyle, K. Nolan, T. K. Forde, P. Argryoudis, P. Sutton, D. Sarath, ...

Abstract — The purpose of this paper is to describe a novel and sophisticated platform for dynamic spectrum access experimentation. The platform comprises, software, hardware and dedicated...

The effect of fatty acid surfactants on the uptake of nitric acid to deliquesced NaCl aerosol (2008)

Stemmler, K., Vlasenko, A., Guimbaud, C., Ammann, M.

Surface active organic compounds have been observed in marine boundary layer aerosol. Here, we investigate the effect such surfactants have on the uptake of nitric acid (HNO3), an important removal...

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness (2008)

Kerbrat, M., Pinzer, B., Huthwelker, T., Gäggeler, H. W., Ammann, M., Schneebeli, M.

Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific...

The effect of fatty acid surfactants on the uptake of nitric acid to deliquesced NaCl aerosol (2008)

Stemmler, K., Vlasenko, A., Guimbaud, C., Ammann, M.

Surface active organic compounds have been observed in marine boundary layer aerosol. Here, we investigate the effect such surfactants have on the uptake of nitric acid (HNO3), an important removal...

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness (2008)

Kerbrat, M., Pinzer, B., Huthwelker, T., Gäggeler, H. W., Ammann, M., Schneebeli, M.

Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific...

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness (2008)

M. Kerbrat, B. Pinzer, T. Huthwelker, H. W. Gäggeler, M. Ammann, M. Schneebeli

Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific...

Changes of fatty acid aerosol hygroscopicity induced by ozonolysis under humid conditions (2008)

O. Vesna, S. Sjogren, E. Weingartner, V. Samburova, M. Kalberer, H. W. Gäggeler, ...

Unsaturated fatty acids are important constituents of the organic fraction of atmospheric aerosols originating from biogenic or combustion sources. Oxidative processing of these may change their...

The effect of fatty acid surfactants on the uptake of nitric acid to deliquesced NaCl aerosol (2008)

K. Stemmler, A. Vlasenko, C. Guimbaud, M. Ammann

Surface active organic compounds have been observed in marine boundary layer aerosol. Here, we investigate the effect such surfactants have on the uptake of nitric acid (HNO<sub>3</sub>),...

Climate forcing and air quality change due to regional emissions reductions by economic sector (2008)

D. Shindell, N. Unger, D. Koch, G. Faluvegi, S. Bauer, ...

We examine the air quality (AQ) and radiative forcing (RF) response to emissions reductions by economic sector for North America and developing Asia in the CAM and GISS composition/climate models....

The effect of fatty acid surfactants on the uptake of nitric acid to deliquesced NaCl aerosol (2008)

K. Stemmler, A. Vlasenko, C. Guimbaud, M. Ammann

Surface active organic compounds have been observed in marine boundary layer aerosol. Here, we investigate the effect such surfactants have on the uptake of nitric acid (HNO<sub>3</sub>),...

On the NO2 + soot reaction in the atmosphere (2007)

B. Aumont, S. Madronich, M. Ammann, A M. Kalberer, U. Baltensperger, A D. Hauglustaine, ...

Abstract. Recent modeling studies have suggested that soot is a key component of tropospheric chemistry in remote regions, acting to reduce HNO3 to NO2 and possibly NO2 to NO. It may be expected then...

RADIATION AND NUCLEAR SAFETY AUTHORITY (2007)

A. Salo, R. P. Hämäläinen, R. P. Hämäläinen, K. Sinkko, K. Sinkko, M. Lindstedt, ...

RODOS and decision conferencing on early phase protective actions in Finland

RADIATION AND NUCLEAR SAFETY AUTHORITY (2007)

R. P. Hämäläinen, K. Sinkko, M. Lindstedt, M. Ammann, A. Salo, Oy Edita Ab

Decision analysis inte r views on protective a c tions in Finland su p ported by the RODOS system

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Changes of fatty acid aerosol hygroscopicity induced by ozonolysis under humid conditions (2007)

Vesna, O., Sjogren, S., Weingartner, E., Samburova, V., Kalberer, M., Gäggeler, H. W., ...

Unsaturated fatty acids are important constituents of the organic fraction of atmospheric aerosols originating from biogenic or combustion sources. Oxidative processing of these may change their...

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness (2007)

Kerbrat, M., Pinzer, B., Huthwelker, T., Gäggeler, H. W., Ammann, M., Schneebeli, M.

Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions ? Part 2: Exemplary practical applications and numerical simulations (2007)

Ammann, M., Pöschl, U.

A kinetic model framework with consistent and unambiguous terminology and universally applicable rate equations and parameters for aerosol and cloud surface chemistry and gas-particle interactions...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions ? Part 1: General equations, parameters, and terminology (2007)

Pöschl, U., Rudich, Y., Ammann, M.

Aerosols and clouds play central roles in atmospheric chemistry and physics, climate, air pollution, and public health. The mechanistic understanding and predictability of aerosol and cloud...

Changes of fatty acid aerosol hygroscopicity induced by ozonolysis under humid conditions (2007)

Vesna, O., Sjogren, S., Weingartner, E., Samburova, V., Kalberer, M., Gäggeler, H. W., ...

Unsaturated fatty acids are important constituents of the organic fraction of atmospheric aerosols originating from biogenic or combustion sources. Oxidative processing of these may change their...

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness (2007)

Kerbrat, M., Pinzer, B., Huthwelker, T., Gäggeler, H. W., Ammann, M., Schneebeli, M.

Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions ? Part 2: Exemplary practical applications and numerical simulations (2007)

Ammann, M., Pöschl, U.

A kinetic model framework with consistent and unambiguous terminology and universally applicable rate equations and parameters for aerosol and cloud surface chemistry and gas-particle interactions...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions ? Part 1: General equations, parameters, and terminology (2007)

Pöschl, U., Rudich, Y., Ammann, M.

Aerosols and clouds play central roles in atmospheric chemistry and physics, climate, air pollution, and public health. The mechanistic understanding and predictability of aerosol and cloud...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol (2007)

Stemmler, K., Ndour, M., Elshorbany, Y., Kleffmann, J., D'Anna, B., George, C., ...

The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient pressure and...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol (2007)

Stemmler, K., Ammann, M., Elshorbany, Y., Kleffmann, J., Ndour, M., D'Anna, B., ...

The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient pressure and...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol (2007)

Stemmler, K., Ndour, M., Elshorbany, Y., Kleffmann, J., D'Anna, B., George, C., ...

The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient pressure and...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol (2007)

Stemmler, K., Ammann, M., Elshorbany, Y., Kleffmann, J., Ndour, M., D'Anna, B., ...

The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient pressure and...

submicron humic acid aerosol (2007)

K. Stemmler, M. Ndour, Y. Elshorbany, J. Kleffmann, C. George, B. Bohn, ...

Abstract. The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient...

© Author(s) 2007. This work is licensed under a Creative Commons License. Atmospheric Chemistry (2007)

U. Pöschl, Y. Rudich, M. Ammann

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions – Part 1: General equations, parameters, and terminology

Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol (2007)

K. Stemmler, M. Ndour, Y. Elshorbany, J. Kleffmann, B. D'Anna, C. George, ...

The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO<sub>2</sub>) were investigated under different light conditions in aerosol flow tube experiments...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

A. M. Grannas, A. E. Jones, J. Dibb, M. Ammann, C. Anastasio, H. J. Beine, ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions ─ Part 1: General equations, parameters, and terminology (2007)

U. Pöschl, Y. Rudich, M. Ammann

Aerosols and clouds play central roles in atmospheric chemistry and physics, climate, air pollution, and public health. The mechanistic understanding and predictability of aerosol and cloud...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions ─ Part 2: Exemplary practical applications and numerical simulations (2007)

M. Ammann, U. Pöschl

A kinetic model framework with consistent and unambiguous terminology and universally applicable rate equations and parameters for aerosol and cloud surface chemistry and gas-particle interactions...

Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol (2007)

K. Stemmler, M. Ammann, Y. Elshorbany, J. Kleffmann, M. Ndour, B. D'Anna, ...

The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO<sub>2</sub>) were investigated under different light conditions in aerosol flow tube experiments...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

A. M. Grannas, A. E. Jones, J. Dibb, M. Ammann, C. Anastasio, H. J. Beine, ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness (2007)

M. Kerbrat, B. Pinzer, T. Huthwelker, H. W. Gäggeler, M. Ammann, M. Schneebeli

Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific...

Changes of fatty acid aerosol hygroscopicity induced by ozonolysis under humid conditions (2007)

O. Vesna, S. Sjogren, E. Weingartner, V. Samburova, M. Kalberer, H. W. Gäggeler, ...

Unsaturated fatty acids are important constituents of the organic fraction of atmospheric aerosols originating from biogenic or combustion sources. Oxidative processing of these may change their...

Chemical Investigations of ISOL target units for carbon and nitrogen beams (2006)

Franberg, H, Ammann, M, Gäggeler, H W, Köster, U

Radioactive Ion Beams (RIB) are of significant interest in a number of applications. ISOL (Isotope Separation On Line) facilities provide RIB with high beam intensities and good beam quality. An atom...

Chemical Investigations of ISOL target units for carbon and nitrogen beams (2006)

Franberg, H, Ammann, M, Gäggeler, H W, Köster, U

Radioactive Ion Beams (RIB) are of significant interest in a number of applications. ISOL (Isotope Separation On Line) facilities provide RIB with high beam intensities and good beam quality. An atom...

Effect of humidity on nitric acid uptake to mineral dust aerosol particles (2006)

A. Vlasenko, S. Sjogren, E. Weingartner, K. Stemmler, H. W. Gäggeler, M. Ammann

This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by...

Effect of humidity on nitric acid uptake to mineral dust aerosol particles (2006)

Vlasenko, A., Sjogren, S., Weingartner, E., Stemmler, K., Gäggeler, H. W., Ammann, M.

This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by...

Effect of humidity on nitric acid uptake to mineral dust aerosol particles (2006)

Vlasenko, A., Sjogren, S., Weingartner, E., Stemmler, K., Gäggeler, H. W., Ammann, M.

This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by...

Effect of humidity on nitric acid uptake to mineral dust aerosol particles (2005)

Vlasenko, A., Sjogren, S., Weingartner, E., Stemmler, K., Gäggeler, H. W., Ammann, M.

This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions: Part 2 ? exemplary practical applications and numerical simulations (2005)

Ammann, M., Pöschl, U.

A kinetic model framework with consistent and unambiguous terminology and universally applicable rate equations and parameters for aerosol and cloud surface chemistry and gas-particle interactions...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions: Part 1 ? general equations, parameters, and terminology (2005)

Pöschl, U., Rudich, Y., Ammann, M.

Aerosols and clouds play central roles in atmospheric chemistry and physics, climate, air pollution, and public health. The mechanistic understanding and predictability of aerosol and cloud...

Effect of humidity on nitric acid uptake to mineral dust aerosol particles (2005)

Vlasenko, A., Sjogren, S., Weingartner, E., Stemmler, K., Gäggeler, H. W., Ammann, M.

This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions: Part 2 ? exemplary practical applications and numerical simulations (2005)

Ammann, M., Pöschl, U.

A kinetic model framework with consistent and unambiguous terminology and universally applicable rate equations and parameters for aerosol and cloud surface chemistry and gas-particle interactions...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions: Part 1 ? general equations, parameters, and terminology (2005)

Pöschl, U., Rudich, Y., Ammann, M.

Aerosols and clouds play central roles in atmospheric chemistry and physics, climate, air pollution, and public health. The mechanistic understanding and predictability of aerosol and cloud...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions: Part 1 – general equations, parameters, and terminology (2005)

U. Pöschl, Y. Rudich, M. Ammann

Aerosols and clouds play central roles in atmospheric chemistry and physics, climate, air pollution, and public health. The mechanistic understanding and predictability of aerosol and cloud...

Kinetic model framework for aerosol and cloud surface chemistry and gas-particle interactions: Part 2 – exemplary practical applications and numerical simulations (2005)

M. Ammann, U. Pöschl

A kinetic model framework with consistent and unambiguous terminology and universally applicable rate equations and parameters for aerosol and cloud surface chemistry and gas-particle interactions...

Effect of humidity on nitric acid uptake to mineral dust aerosol particles (2005)

A. Vlasenko, S. Sjogren, E. Weingartner, K. Stemmler, H. W. Gäggeler, M. Ammann

This study presents the first laboratory observation of HNO<sub>3</sub> uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust...

Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere (2003)

C. Zellweger, J. Forrer, P. Hofer, S. Nyeki, B. Schwarzenbach, E. Weingartner, ...

Results of continuous nitrogen oxide (NO), nitrogen dioxide (NO2), peroxyacetyl nitrate (PAN) and total reactive nitrogen (NOy) measurements along with seasonal field campaigns of nitric acid (HNO3)...

Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere (2003)

Zellweger, C., Forrer, J., Hofer, P., Nyeki, S., Schwarzenbach, B., Weingartner, E., ...

Results of continuous nitrogen oxide (NO), nitrogen dioxide (NO2), peroxyacetyl nitrate (PAN) and total reactive nitrogen (NOy) measurements along with seasonal field campaigns of nitric acid (HNO3)...

Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere (2003)

Zellweger, C., Forrer, J., Hofer, P., Nyeki, S., Schwarzenbach, B., Weingartner, E., ...

Results of continuous nitrogen oxide (NO), nitrogen dioxide (NO2), peroxyacetyl nitrate (PAN) and total reactive nitrogen (NOy) measurements along with seasonal field campaigns of nitric acid (HNO3)...

Accommodation coefficient of HOBr on deliquescent sodium bromide aerosol particles (2002)

M. Wachsmuth, H. W. Gäggeler, R. Von Glasow, M. Ammann

Uptake of HOBr on sea salt aerosol, sea salt brine or ice is believed to be a key process providing a source of photolabile bromine (Br2) and sustaining ozone depletion cycles in the Arctic...

The impact of multiphase reactions of NO2 with aromatics: a modelling approach (2002)

N. Lahoutifard, M. Ammann, L. Gutzwiller, B. Ervens, Ch. George

The impact of multiphase reactions involving nitrogen dioxide (NO2) and aromatic compounds was simulated in this study. A mechanism (CAPRAM 2.4, MODAC Mechanism) was applied for the aqueous phase...

The adsorption of nitrogen oxides on crystalline ice (2002)

T. Bartels, B. Eichler, P. Zimmermann, H. W. Gäggeler, M. Ammann

The partitioning of nitrogen oxides between ice and air is of importance to the ozone budget in the upper troposphere. In the present study, adsorption of nitrogen oxides on ice was investigated at...

Uptake of HNO3 to deliquescent sea-salt particles: a study using the short-lived radioactive isotope tracer 13N (2002)

C. Guimbaud, F. Arens, L. Gutzwiller, H. W. Gäggeler, M. Ammann

The uptake of HNO3 to deliquescent airborne sea-salt particles (RH = 55%, P = 760 torr, T = 300 K) at concentrations from 2 to 575 ppbv is measured in an aerosol flow tube using 13N as a tracer....

Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere (2002)

Zellweger, C., Forrer, J., Hofer, P., Nyeki, S., Schwarzenbach, B., Weingartner, E., ...

Results of continuous nitrogen oxide (NO), nitrogen dioxide (NO2), peroxyacetyl nitrate (PAN) and total reactive nitrogen (NOy) measurements along with seasonal field campaigns of nitric acid (HNO3)...

Uptake of HNO3 to deliquescent sea-salt particles (2002)

Guimbaud, C., Arens, F., Gutzwiller, L., Gäggeler, H. W., Ammann, M.

The uptake of HNO3 to deliquescent airborne sea-salt particles (RH = 55%, P = 760 torr, T = 300 K) at concentrations from 2 to 575 ppbv is measured in an aerosol flow tube using 13N as a tracer....

The adsorption of nitrogen oxides on crystalline ice (2002)

Bartels, T., Eichler, B., Zimmermann, P., Gäggeler, H. W., Ammann, M.

The partitioning of nitrogen oxides between ice and air is of importance to the ozone budget in the upper troposphere. In the present study, adsorption of nitrogen oxides on ice was investigated at...

Accommodation coefficient of HOBr on deliquescent sodium bromide aerosol particles (2002)

Wachsmuth, M., Gäggeler, H. W., Von Glasow, R., Ammann, M.

Uptake of HOBr on sea salt aerosol, sea salt brine or ice is believed to be a key process providing a source of photolabile bromine (Br2) and sustaining ozone depletion cycles in the arctic...

Uptake of HNO3 to deliquescent sea-salt particles: a study using the short-lived radioactive isotope tracer 13N (2002)

Guimbaud, C., Arens, F., Gutzwiller, L., Gäggeler, H. W., Ammann, M.

The uptake of HNO3 to deliquescent airborne sea-salt particles (RH = 55%, P = 760 torr, T = 300 K) at concentrations from 2 to 575 ppbv is measured in an aerosol flow tube using 13N as a tracer....

The adsorption of nitrogen oxides on crystalline ice (2002)

Bartels, T., Eichler, B., Zimmermann, P., Gäggeler, H. W., Ammann, M.

The partitioning of nitrogen oxides between ice and air is of importance to the ozone budget in the upper troposphere. In the present study, adsorption of nitrogen oxides on ice was investigated at...

Accommodation coefficient of HOBr on deliquescent sodium bromide aerosol particles (2002)

Wachsmuth, M., Gäggeler, H. W., Von Glasow, R., Ammann, M.

Uptake of HOBr on sea salt aerosol, sea salt brine or ice is believed to be a key process providing a source of photolabile bromine (Br2) and sustaining ozone depletion cycles in the Arctic...

Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere (2002)

Zellweger, C., Forrer, J., Hofer, P., Nyeki, S., Schwarzenbach, B., Weingartner, E., ...

Results of continuous nitrogen oxide (NO), nitrogen dioxide (NO2), peroxyacetyl nitrate (PAN) and total reactive nitrogen (NOy) measurements along with seasonal field campaigns of nitric acid (HNO3)...

Uptake of HNO3 to deliquescent sea-salt particles (2002)

Guimbaud, C., Arens, F., Gutzwiller, L., Gäggeler, H. W., Ammann, M.

The uptake of HNO3 to deliquescent airborne sea-salt particles (RH = 55%, P = 760 torr, T = 300 K) at concentrations from 2 to 575 ppbv is measured in an aerosol flow tube using 13N as a tracer....

The adsorption of nitrogen oxides on crystalline ice (2002)

Bartels, T., Eichler, B., Zimmermann, P., Gäggeler, H. W., Ammann, M.

The partitioning of nitrogen oxides between ice and air is of importance to the ozone budget in the upper troposphere. In the present study, adsorption of nitrogen oxides on ice was investigated at...

Accommodation coefficient of HOBr on deliquescent sodium bromide aerosol particles (2002)

Wachsmuth, M., Gäggeler, H. W., Von Glasow, R., Ammann, M.

Uptake of HOBr on sea salt aerosol, sea salt brine or ice is believed to be a key process providing a source of photolabile bromine (Br2) and sustaining ozone depletion cycles in the arctic...

Uptake of HNO3 to deliquescent sea-salt particles: a study using the short-lived radioactive isotope tracer 13N (2002)

Guimbaud, C., Arens, F., Gutzwiller, L., Gäggeler, H. W., Ammann, M.

The uptake of HNO3 to deliquescent airborne sea-salt particles (RH = 55%, P = 760 torr, T = 300 K) at concentrations from 2 to 575 ppbv is measured in an aerosol flow tube using 13N as a tracer....

The adsorption of nitrogen oxides on crystalline ice (2002)

Bartels, T., Eichler, B., Zimmermann, P., Gäggeler, H. W., Ammann, M.

The partitioning of nitrogen oxides between ice and air is of importance to the ozone budget in the upper troposphere. In the present study, adsorption of nitrogen oxides on ice was investigated at...

Accommodation coefficient of HOBr on deliquescent sodium bromide aerosol particles (2002)

Wachsmuth, M., Gäggeler, H. W., Von Glasow, R., Ammann, M.

Uptake of HOBr on sea salt aerosol, sea salt brine or ice is believed to be a key process providing a source of photolabile bromine (Br2) and sustaining ozone depletion cycles in the Arctic...

The impact of multiphase reactions of NO2 with aromatics: a modelling approach (2002)

Lahoutifard, N., Ammann, M., Gutzwiller, L., Ervens, B., George, Ch.

The impact of multiphase reactions involving nitrogen dioxide (NO2) and aromatic compounds was simulated in this study. A mechanism (CAPRAM 2.4, MODAC Mechanism) was applied for the aqueous phase...

The impact of multiphase reactions of NO2 with aromatics: a modelling approach (2002)

Lahoutifard, N., Ammann, M., Gutzwiller, L., Ervens, B., George, Ch.

The impact of multiphase reactions involving nitrogen dioxide (NO2) and aromatic compounds was simulated in this study. A mechanism (CAPRAM 2.4, MODAC Mechanism), was applied for the aqueous phase...

The impact of multiphase reactions of NO2 with aromatics: a modelling approach (2002)

Lahoutifard, N., Ammann, M., Gutzwiller, L., Ervens, B., George, Ch.

The impact of multiphase reactions involving nitrogen dioxide (NO2) and aromatic compounds was simulated in this study. A mechanism (CAPRAM 2.4, MODAC Mechanism) was applied for the aqueous phase...

The impact of multiphase reactions of NO2 with aromatics: a modelling approach (2002)

Lahoutifard, N., Ammann, M., Gutzwiller, L., Ervens, B., George, Ch.

The impact of multiphase reactions involving nitrogen dioxide (NO2) and aromatic compounds was simulated in this study. A mechanism (CAPRAM 2.4, MODAC Mechanism), was applied for the aqueous phase...

The adsorption of nitrogen oxides on crystalline ice (2002)

T. Bartels, B. Eichler, P. Zimmermann, H. W. Gäggeler, M. Ammann

The partitioning of nitrogen oxides between ice and air is of importance to the ozone budget in the upper troposphere. In the present study, adsorption of nitrogen oxides on ice was investigated at...

Uptake of HNO3 to deliquescent sea-salt particles (2002)

C. Guimbaud, F. Arens, L. Gutzwiller, H. W. Gäggeler, M. Ammann

The uptake of HNO3 to deliquescent airborne sea-salt particles (RH = 55%, P = 760 torr, T = 300 K) at concentrations from 2 to 575 ppbv is measured in an aerosol flow tube using 13N as a tracer....

Partitioning of reactive nitrogen (NOy) and dependence on meteorological conditions in the lower free troposphere (2002)

C. Zellweger, J. Forrer, P. Hofer, S. Nyeki, B. Schwarzenbach, E. Weingartner, ...

Results of continuous nitrogen oxide (NO), nitrogen dioxide (NO2), peroxyacetyl nitrate (PAN) and total reactive nitrogen (NOy) measurements along with seasonal field campaigns of nitric acid (HNO3)...

Tracing uptake and assimilation of NO2 in spruce needles with 13N (1995)

Ammann, M., Stalder, M., Suter, M., Brunold, C., Baltensperger, U., Jost, D. T., ...

For the first time, spruce shoots (Picea abies [L.] Karst.) were fumigated in vivo with 13N-labelled NO2 with the aim of elucidating the mechanism of NO2− trapping in the apoplast of the...

Purification and partial characterization of a novel lectin from elder (Sambucus nigra L.) fruit.

Mach, L, Scherf, W, Ammann, M, Poetsch, J, Bertsch, W, März, L, ...

A previously unknown haemagglutinin, named Sambucus nigra agglutinin-III (SNA-III), has been purified from the fruit of the elder (Sambucus nigra). Whereas elder bark agglutinin I (SNA-I) is highly...

Purification and partial characterization of a novel lectin from elder (Sambucus nigra L.) fruit.

Mach, L, Scherf, W, Ammann, M, Poetsch, J, Bertsch, W, März, L, ...

A previously unknown haemagglutinin, named Sambucus nigra agglutinin-III (SNA-III), has been purified from the fruit of the elder (Sambucus nigra). Whereas elder bark agglutinin I (SNA-I) is highly...