Compute Soil Carbon Fluxes for the National Ecological Observatory Network Sites

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Documentation for package ‘neonSoilFlux’ version 3.0.0

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

Help Pages

acquire_neon_data	Acquire NEON data for processing
check_qf_flags	Internal helper function to determine availability of data within a time interval
co2_to_umol	Convert co2 concentration from ppm to µmol m-3 units
compute_flux_gradient_layer	Computes Fick's law of diffusion between two values
compute_monthly_mean	Function to compute monthly means for a given month of NEON data.
compute_neon_flux	Compute NEON fluxes at a site
compute_surface_flux	Internal function to compute CO2 surface flux
compute_surface_flux_layer	Title Determine the surface flux from linear regression at layers
correct_env_data	Internal function that prepares downloaded NEON data for flux processing
dejong_shappert_flux	Internal function to compute surface co2 flux at a given timepoint via De Jong and Schappert (1972)
depth_interpolate	Internal function to interpolate different depth measurements
determine_position	Internal function to determine the depth of a measurement
diffusivity	Compute soil diffusivity
env_fingerprint_plot	Helper function to plot QF results for environmental measurements.
fit_function	Internal function that interpolates a soil measurement to different depths
flux_fingerprint_plot	Helper function to plot QF results for fluxes.
hirano_flux	Internal function to compute surface co2 flux at a given timepoint via Hirano et al 2005
insert_mean	Internal function that inserts smoothed mean value of a measurement at a site
inside_interval	Determine if a YYYY-MM string is inside a interval
linear_regression	Compute linear regression coefficients and errors.
measurement_detect	Internal function that makes sure for each time, position, and depth we have at least two data points for soil temp and soil h20, 3 for soil co2
measurement_merge	Internal function that filters environmental data for easier processing of fluxes.
neonBoulded60Cal	Soil water content calibrations for belowground sensor data
neonCal	Soil water content calibrations for belowground sensor data
powerset	Compute all possible combinations of a vector - ignoring the empty set
quadrature_error	Helper function to quickly compute the quadrature error
reprocess_vswc	Internal helper function to reprocess SWC data from calibration data
sjer_env_data_2022_06	Measured environmental data at a NEON site
sjer_flux_2022_06	Computed flux values at a NEON site
sjer_megapit_data_2022_06	Measured soil physical properties at a NEON site
swc_correct	Internal function to correct depths for VSWC NEON data.
swc_corrections	Corrected sensor locations for NEON soil water content data
tang_2003_flux	Internal function to compute surface co2 flux at a given timepoint via Tang et al 2003
tang_2005_flux	Internal function to compute surface co2 flux at a given timepoint via Tang et al 2005