Weather, pollution and biotic factors drive net forest - atmosphere exchange of CO2 at different temporal scales in a temperate-zone mixed forest

Joanna A. Horemans,Ivan A. Janssens,Bert Gielen,Marilyn Roland,Gaby Deckmyn,Arne Verstraeten,Johan Neirynck,Reinhart Ceulemans

Agricultural and Forest Meteorology（2020）

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摘要

•Daytime C sink capacity of the Brasschaat forest increased between 1999 and 2014.•Daytime NEE was most strongly correlated to atmospheric CO2 levels and soil solution pH.•Long term trend in night respiration was strongly correlated to ground water level.•Random variation in day/night NEE were linked to cloudiness/air temperature.•Time series decomposition plus random forest analysis useful to study NEE drivers.

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关键词

Eddy covariance flux,Random forests,Time series decomposition,Ozone pollution,Carbon

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