# Ecosystem Gas Fluxes Calculations for Closed Loop Chamber Setup

## Documentation for package ‘fluxible’ version 1.1.2

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

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