Error characterization of methane fluxes and budgets derived from a long-term comparison of open- and closed-path eddy covariance systems
Agricultural and Forest Meteorology(2019)
摘要
•3.5 year-long study with simultaneous open- and closed path CH4 flux measurements.•Quantification of systematic, random and gap-filling errors and resulting uncertainty.•Average annual emissions of 18 g−CH4 m-2 yr-1 agreed within 0.6 g−CH4 m-2 yr-1 between analyzers.•Total flux uncertainty on annual fluxes was estimated to range from 7% to 17%.
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关键词
Eddy covariance,Methane,Uncertainty,Error,Budget
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