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flux (version 0.2-1)

Flux rate calculation from dynamic closed chamber measurements

Description

Functions for the calculation of greenhouse gas flux rates from closed chamber concentration measurements. The package follows a modular concept: Fluxes can be calculated in just two simple steps or in several steps if more control in details is wanted. Additionally plot and preparation functions are provided.

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Version

Install

install.packages('flux')

Monthly Downloads

374

Version

0.2-1

License

GPL-2

Maintainer

Gerald Jurasinski

Last Published

April 17th, 2012

Functions in flux (0.2-1)

Calculate the area under a line(curve).

Plot diagnostic plots for GPP (NEE) models derived with reco and gpp.

One day data from dynamic closed chamber measurements in the Trebeltal

Internal functions of the package flux that are usually not called (or only implicitly) by the user

Estimate (ghg) flux rates from online dynamic closed chamber measurements in through-flow mode.

Estimate gas flux rates using dynamic closed chamber data

Prepare data for flux rate estimation with flux or GPP/Reco modelling.

Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations

Model R_eco from CO2 exchange closed chamber data.

Calculate gas flux rate from two concentrations

Determine calibration measurement ranges according to the dates of real measurements

simple export wrapper

Inspect and alter prepared ghg concentration data

Flux rate estimation with dynamic closed chamber data

Medium frequency concentration data and fluxes from dynamic closed chamber measurements

Model GPP from CO2 closed chamber flux data