Flux Rate Calculation from Dynamic Closed Chamber Measurements

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Documentation for package ‘flux’ version 0.3-0.1

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flux-package Flux rate estimation with dynamic closed chamber data
amc Climate station data from 2009 to 2011 in the Ahlenmoor peat bog, Northeast Germany
amd Closed chamber fluxes from 2009 to 2011 in the Ahlenmoor peat bog, Northeast Germany
append.df Append a data.frame to another including consistency checks
auc Calculate the area under a line(curve).
auc.mc Calculate the area under a line(curve).
budget.gpp Predict fluxes from GPP and Reco models and prepare for summing them up to budgets.
budget.ie Estimate interpolation errors for GPP and Reco budgets
budget.reco Predict fluxes from GPP and Reco models and prepare for summing them up to budgets.
checkm Bring modelled and measured values together based on timestamp
chop Prepare data for flux rate estimation with 'flux' or GPP/Reco modelling.
export simple export wrapper
flux Estimate gas flux rates using non-steady-state closed chamber data
flux.calib Determine calibration measurement ranges according to the dates of real measurements
flux.conv Estimate gas flux rates using non-steady-state closed chamber data
flux.odae Estimate gas flux rates using non-steady-state closed chamber data
fluxx Estimate (ghg) flux rates from online dynamic closed chamber measurements in through-flow mode.
gflux Calculate gas flux rate from two concentrations
gpp Model GPP from CO2 closed chamber flux data
gpp.bulk Bulk fitting of Reco and GPP models
gpp2 Model GPP from CO2 closed chamber flux data
inspect Inspect and alter prepared ghg concentration data
lips Linear interpolation between data points similar to approx.
mf.flux Estimate (ghg) flux rates from online dynamic closed chamber measurements in through-flow mode.
modjust Adjust Reco models
plot.fluss Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations
plot.flux Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations
plot.fluxes Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations
plot.fluxx Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations
plot.fluxxes Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations
plot.gpp Plot diagnostic plots for GPP (NEE) models derived with reco and gpp.
plot.reco Plot diagnostic plots for Reco models.
reco Model R_eco from CO2 exchange closed chamber data.
reco.bulk Bulk fitting of Reco and GPP models
round.POSIXct Round times.
round.POSIXlt Round times.
tbl8 Extract the relevant data of a bulk model object to a data.frame
tt.flux Medium frequency concentration data and fluxes from non-steady state closed chamber measurements
tt.nee Medium frequency concentration data and fluxes from non-steady state closed chamber measurements
tt.pre One day data from closed chamber measurements in the Trebeltal