C. Spirig

Intercomparison of ammonia measurement techniques at an intensively managed grassland site (Oensingen, Switzerland) (2009)

M. Norman, C. Spirig, V. Wolff, I. Trebs, C. Flechard, A. Wisthaler, ...

As part of a field campaign in the framework of the NitroEurope project, three different instruments for atmospheric ammonia (NH₃) measurements were operated side-by-side on a...

An automated dynamic chamber system for surface exchange measurement of non-reactive and reactive trace gases of grassland ecosystems (2009)

L. Pape, C. Ammann, A. Nyfeler-Brunner, C. Spirig, K. Hens, F. X. Meixner

We present an automated dynamic chamber system which is optimised for continuous unattended flux measurements of multiple non-reactive and reactive trace gases on grassland ecosystems. Main design...

Biosphere-atmosphere exchange of reactive nitrogen and greenhouse gases at the NitroEurope core flux measurement sites: measurment strategy and first data sets. (2009)

Skiba, U., Drewer, J., Tang, Y.S., Van Dijk, N., Helfter, C., Nemitz, E., ...

Agriculture, Ecosystems and Environment, 133(2009) S.139-49

The annual ammonia budget of fertilised cut grassland – Part 1: Micrometeorological flux measurements and emissions after slurry application (2009)

C. Spirig, C. R. Flechard, C. Ammann, A. Neftel

Two commercial ammonia (NH₃) analysers were customised to allow continuous measurements of vertical concentration gradients. The gradients were used to derive ammonia exchange...

The annual ammonia budget of fertilised cut grassland – Part 2: Seasonal variations and compensation point modeling (2009)

C. R. Flechard, C. Spirig, A. Neftel, C. Ammann

The net annual NH₃ exchange budget of a fertilised, cut grassland in Central Switzerland is presented. The observation-based budget was computed from semi-continuous...

An automated dynamic chamber system for surface exchange measurement of non-reactive and reactive trace gases of grassland ecosystems (2008)

Pape, L., Ammann, C., Nyfeler-Brunner, A., Spirig, C., Hens, K., Meixner, F. X.

An automated dynamic chamber system for surface exchange measurement of non-reactive and reactive trace gases of grassland ecosystems (2008)

L. Pape, C. Ammann, A. Nyfeler-Brunner, C. Spirig, K. Hens, F. X. Meixner

We present an automated dynamic chamber system which is optimised for continuous unattended flux measurements of multiple non-reactive and reactive trace gases on grassland ecosystems. Main design...

Intercomparison of ammonia measurement techniques at an intensively managed grassland site (Oensingen, Switzerland) (2008)

M. Norman, C. Spirig, V. Wolff, I. Trebs, C. Flechard, A. Wisthaler, ...

As part of a field campaign in the framework of the NitroEurope project, three different instruments for atmospheric ammonia (NH₃) measurements were operated side-by-side on a...

Intercomparison of oxygenated volatile organic compound measurements at the SAPHIR atmosphere simulation chamber. (2008)

Apel, E.C., Brauers, T., Koppmann, R., Bandowe, B., Boßmeyer, J., Holzke, C., ...

Journal of Geophysical Research, 113(D20307), doi:10.1029/2008JD009865, 2008

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M. O., Ammann, C., Araújo, A. C., Brancaleoni, E., Ciccioli, P., ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Methanol exchange between grassland and the atmosphere (2007)

Brunner, A., Ammann, C., Neftel, A., Spirig, C.

Concentrations and fluxes of methanol were measured above two differently managed grassland fields (intensive and extensive) in central Switzerland during summer 2004. The measurements were performed...

Methanol exchange between grassland and the atmosphere (2007)

Brunner, A., Ammann, C., Neftel, A., Spirig, C.

Concentrations and fluxes of methanol were measured above two differently managed grassland fields (intensive and extensive) in central Switzerland during summer 2004. The measurements were performed...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M. O., Ammann, C., Araújo, A. C., Brancaleoni, E., Ciccioli, P., ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M. O., Ammann, C., Araújo, A. C., Brancaleoni, E., Ciccioli, P., ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Methanol exchange between grassland and the atmosphere (2007)

Brunner, A., Ammann, C., Neftel, A., Spirig, C.

Concentrations and fluxes of methanol were measured above two differently managed grassland fields (intensive and extensive) in central Switzerland during summer 2004. The measurements were performed...

Methanol exchange between grassland and the atmosphere (2007)

Brunner, A., Ammann, C., Neftel, A., Spirig, C.

Concentrations and fluxes of methanol were measured above two differently managed grassland fields (intensive and extensive) in central Switzerland during summer 2004. The measurements were performed...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M. O., Ammann, C., Araújo, A. C., Brancaleoni, E., Ciccioli, P., ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M. O., Ammann, C., Araújo, A. C., Brancaleoni, E., Ciccioli, P., ...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M.O., Ammann, C., Araújo, A.C., Brancaleoni, E., Ciccioli, P., ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Cut induced VOC emissions from agricultural grasslands. (2007)

Davison, Brian, Brunner, A., Ammann, C., Spirig, C., Jocher, M., Neftel, A.

The introduction of proton transfer reaction mass spectrometry (PTR-MS) for fast response measurements of volatile organic compounds (VOC) has enabled the use of eddy covariance methods to...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

U. Kuhn, M. O. Andreae, C. Ammann, A. C. Araújo, E. Brancaleoni, P. Ciccioli, ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Methanol exchange between grassland and the atmosphere (2007)

A. Brunner, C. Ammann, A. Neftel, C. Spirig

Concentrations and fluxes of methanol were measured above two differently managed grassland fields (intensive and extensive) in central Switzerland during summer 2004. The measurements were performed...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

U. Kuhn, M. O. Andreae, C. Ammann, A. C. Araújo, E. Brancaleoni, P. Ciccioli, ...

We estimated the isoprene and monoterpene source strengths of a pristine tropical forest north of Manaus in the central Amazon Basin using three different micrometeorological flux measurement...

Isoprene and monoterpene fluxes from Central Amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget (2007)

Kuhn, U., Andreae, M.O., Ammann, C., Araújo, C., Brancaleoni, E., Ciccioli, P., ...

Technical note: Water vapour concentration and flux measurements with PTR-MS (2006)

C. Ammann, A. Brunner, C. Spirig, A. Neftel

The most direct approach for measuring the exchange of biogenic volatile organic compounds between terrestrial ecosystems and the atmosphere is the eddy covariance technique. It has been applied...

Technical note: Water vapour concentration and flux measurements with PTR-MS (2006)

Ammann, C., Brunner, A., Spirig, C., Neftel, A.

The most direct approach for measuring the exchange of biogenic volatile organic compounds between terrestrial ecosystems and the atmosphere is the eddy covariance technique. It has been applied...

Technical note: Water vapour concentration and flux measurements with PTR-MS (2006)

Ammann, C., Brunner, A., Spirig, C., Neftel, A.

The most direct approach for measuring the exchange of biogenic volatile organic compounds between terrestrial ecosystems and the atmosphere is the eddy covariance technique. It has been applied...

Technical note: Water vapour concentration and flux measurements with PTR-MS (2006)

Ammann, C., Brunner, A., Spirig, C., Neftel, A.

The most direct approach for measuring the exchange of biogenic volatile organic compounds between terrestrial ecosystems and the atmosphere is the eddy covariance technique. It has been applied...

Technical note: Water vapour concentration and flux measurements with PTR-MS (2006)

Ammann, C., Brunner, A., Spirig, C., Neftel, A.

The most direct approach for measuring the exchange of biogenic volatile organic compounds between terrestrial ecosystems and the atmosphere is the eddy covariance technique. It has been applied...

Technical note: Water vapour concentration and flux measurements with PTR-MS (2006)

C. Ammann, A. Brunner, C. Spirig, A. Neftel

The most direct approach for measuring the exchange of biogenic volatile organic compounds between terrestrial ecosystems and the atmosphere is the eddy covariance technique. It has been applied...

Eddy covariance flux measurements of biogenic VOCs during ECHO 2003 using proton transfer reaction mass spectrometry (2005)

C. Spirig, A. Neftel, C. Ammann, J. Dommen, W. Grabmer, A. Thielmann, ...

Within the framework of the AFO 2000 project ECHO, two PTR-MS instruments were operated in combination with sonic anemometers to determine biogenic VOC fluxes from a mixed deciduous forest site in...

Eddy covariance flux measurements of biogenic VOCs during ECHO 2003 using proton transfer reaction mass spectrometry (2005)

Spirig, C., Neftel, A., Ammann, C., Dommen, J., Grabmer, W., Thielmann, A., ...

Eddy covariance flux measurements of biogenic VOCs during ECHO 2003 using proton transfer reaction mass spectrometry (2005)

Spirig, C., Neftel, A., Ammann, C., Dommen, G. Di., Grabmer, W., Thielmann, A., ...

Eddy covariance flux measurements of biogenic VOCs during ECHO 2003 using proton transfer reaction mass spectrometry (2005)

Spirig, C., Neftel, A., Ammann, C., Dommen, J., Grabmer, W., Thielmann, A., ...

Within the framework of the AFO 2000 project ECHO, two PTR-MS instruments were operated in combination with sonic anemometers to determine biogenic VOC fluxes from a mixed deciduous forest site in...

Eddy covariance flux measurements of biogenic VOCs during ECHO 2003 using proton transfer reaction mass spectrometry (2005)

Spirig, C., Neftel, A., Ammann, C., Dommen, J., Grabmer, W., Thielmann, A., ...

Within the framework of the AFO 2000 project ECHO, two PTR-MS instruments were operated in combination with sonic anemometers to determine biogenic VOC fluxes from a mixed deciduous forest site in...

Tethered balloon measurements of biogenic volatile organic compounds at a Boreal forest site (2004)

C. Spirig, A. Guenther, J. P. Greenberg, P. Calanca, V. Tarvainen

Measurements of biogenic volatile organic compounds (VOCs) were performed at Hyytiälä, a Boreal forest site in Southern Finland as part of the OSOA (origin and formation of secondary organic...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2004)

M. Boy, T. Petäjä, M. Dal Maso, Ü. Rannik, J. Rinne, P. Aalto, ...

As part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2004)

Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...

Flux measurements of biogenic VOCs during ECHO 2003 (2004)

Spirig, C., Neftel, A., Ammann, C., Dommen, J., Grabmer, W., Thielmann, A., ...

Within the framework of the AFO 2000 project ECHO, two PTR-MS instruments were operated in combination with sonic anemometers to determine biogenic VOC fluxes from a mixed deciduous forest site in...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2004)

Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...

As part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...

Tethered balloon measurements of biogenic volatile organic compounds at a Boreal forest site (2004)

Spirig, C., Guenther, A., Greenberg, J. P., Calanca, P., Tarvainen, V.

Measurements of biogenic volatile organic compounds (VOCs) were performed at Hyytiälä, a Boreal forest site in Southern Finland as part of the OSOA (origin and formation of secondary organic...

Flux measurements of biogenic VOCs during ECHO 2003 (2004)

Spirig, C., Neftel, A., Ammann, C., Dommen, J., Grabmer, W., Thielmann, A., ...

Within the framework of the AFO 2000 project ECHO, two PTR-MS instruments were operated in combination with sonic anemometers to determine biogenic VOC fluxes from a mixed deciduous forest site in...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2004)

Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...

As part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...

Tethered balloon measurements of biogenic volatile organic compounds at a Boreal forest site (2004)

Spirig, C., Guenther, A., Greenberg, J. P., Calanca, P., Tarvainen, V.

Measurements of biogenic volatile organic compounds (VOCs) were performed at Hyytiälä, a Boreal forest site in Southern Finland as part of the OSOA (origin and formation of secondary organic...

Flux measurements of biogenic VOCs during ECHO 2003 (2004)

C. Spirig, A. Neftel, C. Ammann, J. Dommen, W. Grabmer, A. Thielmann, ...

Within the framework of the AFO 2000 project ECHO, two PTR-MS instruments were operated in combination with sonic anemometers to determine biogenic VOC fluxes from a mixed deciduous forest site in...

Emission and Chemical Transformation of Biogenic Volatile Organic Compounds Investigations in and above a Mixed Forest Stand (ECHO): An Overview (2003)

Koppmann, R., Kesselmeier, J., Meixner, F. X., Warnke, J., Bandur, R., Hoffmann, T., ...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2003)

Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...

Tethered balloon measurements of biogenic volatile organic compounds at a Boreal forest site (2003)

Spirig, C., Guenther, A., Greenberg, J. P., Calanca, P., Tarvainen, V.

Measurements of biogenic volatile organic compounds (VOCs) were performed at Hyytiälä, a Boreal forest site in Southern Finland as part of the project OSOA (origin and formation of secondary...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2003)

Boy, M., Petäja, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...

As one part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...

Tethered balloon measurements of biogenic volatile organic compounds at a Boreal forest site (2003)

Spirig, C., Guenther, A., Greenberg, J. P., Calanca, P., Tarvainen, V.

Measurements of biogenic volatile organic compounds (VOCs) were performed at Hyytiälä, a Boreal forest site in Southern Finland as part of the project OSOA (origin and formation of secondary...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2003)

Boy, M., Petäja, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...

As one part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA (2003)

M. Boy, T. Petäja, M. Dal Maso, Ü. Rannik, J. Rinne, P. Aalto, ...

As one part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...

Tethered balloon measurements of biogenic volatile organic compounds at a Boreal forest site (2003)

C. Spirig, A. Guenther, J. P. Greenberg, P. Calanca, V. Tarvainen

Measurements of biogenic volatile organic compounds (VOCs) were performed at Hyytiälä, a Boreal forest site in Southern Finland as part of the project OSOA (origin and formation of secondary...

Sensitivity of photooxidant production in the Milan Basin: An overview of results from a EUROTRAC-2 limitation of oxidant production field experiment. (2003)

Neftel, A., Spirig, C., Prevot, A.S.H., Furger, M., Stutz, J., Vogel, B., ...

Journal of Geophysical Research, 107(D22), 8188, doi:10.1029/2001JD001263, 2002

Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry (2002)

T. G. Karl, C. Spirig, J. Rinne, C. Stroud, P. Prevost, J. Greenberg, ...

A `virtual' disjunct eddy covariance (vDEC) device was tested with field measurements of biogenic VOC fluxes at a subalpine forest site in the Rocky Mountains of the USA. A PTR-MS instrument was used...

Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry (2002)

Karl, T. G., Spirig, C., Prevost, P., Stroud, C., Rinne, J., Greenberg, J., ...

A `virtual' disjunct eddy covariance (vDEC) device was tested with field measurements of biogenic VOC fluxes at a subalpine forest site in the Rocky Mountains of the U.S.A. A PTR-MS instrument was...

Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry (2002)

Karl, T. G., Spirig, C., Rinne, J., Stroud, C., Prevost, P., Greenberg, J., ...

A `virtual' disjunct eddy covariance (vDEC) device was tested with field measurements of biogenic VOC fluxes at a subalpine forest site in the Rocky Mountains of the USA. A PTR-MS instrument was used...

Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry (2002)

Karl, T. G., Spirig, C., Prevost, P., Stroud, C., Rinne, J., Greenberg, J., ...

A `virtual' disjunct eddy covariance (vDEC) device was tested with field measurements of biogenic VOC fluxes at a subalpine forest site in the Rocky Mountains of the U.S.A. A PTR-MS instrument was...

Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry (2002)

Karl, T. G., Spirig, C., Rinne, J., Stroud, C., Prevost, P., Greenberg, J., ...

A `virtual' disjunct eddy covariance (vDEC) device was tested with field measurements of biogenic VOC fluxes at a subalpine forest site in the Rocky Mountains of the USA. A PTR-MS instrument was used...

Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry (2002)

T. G. Karl, C. Spirig, P. Prevost, C. Stroud, J. Rinne, J. Greenberg, ...

A `virtual' disjunct eddy covariance (vDEC) device was tested with field measurements of biogenic VOC fluxes at a subalpine forest site in the Rocky Mountains of the U.S.A. A PTR-MS instrument...