Ecosystem Gas Fluxes Calculations for Closed Loop Chamber Setup

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Documentation for package ‘fluxible’ version 1.2.2

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co2_conc CO2 concentration
co2_conc_mid_missing CO2 concentration with missing data
co2_conc_missing CO2 concentration
co2_df_missing CO2 concentration with missing data
co2_df_short CO2 concentration
co2_fluxes CO2 fluxes
co2_liahovden CO2 concentration at Liahovden
flux_calc Calculates ecosystem gas fluxes
flux_check_item check the items inside 'flux_fun_check'
flux_cut filter cut data before calculating fluxes
flux_fitting Fitting a model to concentration data and estimating the slope
flux_fitting_exptz Fitting a model to the gas concentration curve and estimating the slope over time, using a modified version of the model from Zhao et al (2018) that allows the user to fix 't_zero'.
flux_fitting_hm Fitting a model to the gas concentration curve and estimating the slope over time, using the HM model (Pedersen et al., 2010; Hutchinson and Mosier, 1981).
flux_fitting_lm linear fit to gas concentration over time
flux_fitting_quadratic quadratic fit to gas concentration over time
flux_fitting_zhao18 Fitting a model to the gas concentration curve and estimating the slope over time, using the exponential model from Zhao et al (2018)
flux_fit_type to check the type of fit
flux_flag_count Counts quality flags
flux_fun_check checking that arguments and columns are in the correct class
flux_gep Calculates GEP
flux_gpp Calculates GPP
flux_match Matching continuously measured fluxes with measurement IDs and meta data
flux_match_col Using an already existing end column to slice measurements
flux_match_fixed Using a fixed measurement length to slice the measurements
flux_param_exp prepares text to print for flux_plot function
flux_param_kappamax prepares text to print for flux_plot function
flux_param_lm prepares text to print in flux_plot
flux_param_qua prepares text to print in flux_plot
flux_plot Plotting fluxes for visual evaluation
flux_plot_exp plotting fluxes with exponential fit
flux_plot_flag creates the flag column to be used by flux_plot
flux_plot_lin plotting fluxes with linear fit
flux_plot_quadratic plotting fluxes with a quadratic fit
flux_quality Assessing the quality of the fits
flux_quality_exp quality assessment for the slopes estimated by flux_fitting
flux_quality_kappamax selecting linear slope with kappamax method
flux_quality_lm quality assessment for the slopes estimated by flux_fitting
flux_quality_qua quality assessment for the slopes estimated by flux_fitting
raw_twogases CO2 and CH4 concentration
record_liahovden Measurements meta data at Liahovden
record_short Measurements meta data
slopes0_temp Slopes for each flux
stupeflux From raw gas concentration over time to clean fluxes
twogases_record Two gases field record