Skip to main content
placeholder image

Tracer method and footprint model for gradient FTIR measurements of trace gas fluxes

Journal Article


Abstract


  • Emissions of biogenic trace gases from soils and plants often show strong spatial and temporal variation. Thus there is a need for the development of area-integrating measurement techniques with good time resolution. The present paper describes a method for area-integrated measurements of biogenic trace gas emissions based on flux-gradient measurements using Fourier transform infrared (FTIR) spectroscopy combined with a tracer gas release system. A code for modelling of the `footprint' of the gradient measurement is also described, and results from field experiments on measurement of NH3 emissions from spreading of manure and studies of nitrous oxide emissions from wheat stubble are presented.

Publication Date


  • 1999

Citation


  • Galle, B., Klemedtsson, L., Bergqvist, B., Tornqvist, K., & Griffith, D. W. T. (1999). Tracer method and footprint model for gradient FTIR measurements of trace gas fluxes. Doktorsavhandlingar vid Chalmers Tekniska Hogskola, (1522), 1-13.

Scopus Eid


  • 2-s2.0-0033293090

Web Of Science Accession Number


Start Page


  • 1

End Page


  • 13

Issue


  • 1522

Abstract


  • Emissions of biogenic trace gases from soils and plants often show strong spatial and temporal variation. Thus there is a need for the development of area-integrating measurement techniques with good time resolution. The present paper describes a method for area-integrated measurements of biogenic trace gas emissions based on flux-gradient measurements using Fourier transform infrared (FTIR) spectroscopy combined with a tracer gas release system. A code for modelling of the `footprint' of the gradient measurement is also described, and results from field experiments on measurement of NH3 emissions from spreading of manure and studies of nitrous oxide emissions from wheat stubble are presented.

Publication Date


  • 1999

Citation


  • Galle, B., Klemedtsson, L., Bergqvist, B., Tornqvist, K., & Griffith, D. W. T. (1999). Tracer method and footprint model for gradient FTIR measurements of trace gas fluxes. Doktorsavhandlingar vid Chalmers Tekniska Hogskola, (1522), 1-13.

Scopus Eid


  • 2-s2.0-0033293090

Web Of Science Accession Number


Start Page


  • 1

End Page


  • 13

Issue


  • 1522