Changes in phenology and the influence on the carbon sequestration in a Danish beech forest over 20 years

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    Abstract

    Observations of carbon sequestration in a Danish beech forest over the last 20 years have shown a steady increase in NEE. Earlier studies (Pile- gaard et al. 2011) have shown, that about half of the increase can be attributed to an increase in the growing season length. The growing sea- son has been determined as the carbon uptake period (CUP); i.e. the period with net uptake, determined from flux data. Additionally, we have determined the period with leaves (LP) from the attenuation of light below the canopy. In this analysis we add information from a phenology camera with data from the last 6 years using the R package Phenopix (Filippa et al. 2016). The new data is compared with CUP and LP to give more detailed information on the phenology. The information is used to examine the evolution of net ecosystem exchange (NEE) over the 20 year period.
    Original languageEnglish
    Publication date2017
    Number of pages1
    DOIs
    Publication statusPublished - 2017
    Event2nd ICOS Science Conference on greenhouse gases and biogeochemical cycles - Helsinki, Finland
    Duration: 27 Sept 201629 Sept 2016
    Conference number: 2

    Conference

    Conference2nd ICOS Science Conference on greenhouse gases and biogeochemical cycles
    Number2
    Country/TerritoryFinland
    CityHelsinki
    Period27/09/201629/09/2016

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