Spectral estimation of wetland carbon dioxide exchange

• Autorzy: Chojnicki B. H.
• Języki publikacji: EN

Abstrakty

EN

The simultaneous measurements of broadband normalized difference vegetation index and net ecosystem production were carried out at Rzecin wetland in 2009. Additionally, carbon fluxes, ecosystem respiration and gross ecosystem production were estimated on the basis of measured net ecosystem production values. The maximum broadband normalized difference vegetation index value (0.73) was measured on the 6th of July. The minimum broadband normalized difference vegetation index value measured before and after the vegetation period was 0.40. The annual dynamics of carbon fluxes and broadband normalized difference vegetation index runs were different from each other. During the second half of vegetation period greenness of plants decreases more slowly than plants carbon dioxide uptake capacity. These differences are likely to be determined by plants aging. The results presented in this paper show potential applicability of broadband normalized difference vegetation index for the estimation of carbon dioxide exchange in wetlands.

• Wydawca: -
• Czasopismo: International Agrophysics
• Rocznik: 2013
• Tom: 27
• Numer: 1
• Opis fizyczny: p.1-5,fig.,ref.

Twórcy

autor

Chojnicki B. H.

• Department of Meteorology, University of Life Sciences in Poznan, Piatkowska 94, 60-649 Poznan, Poland
• Institute for Agriculture and Forest Environment, Polish Academy of Sciences, Bukowska 19, 60-809 Poznan, Poland

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