ffi_hm1981 {fluxfinder}R Documentation

Compute flux using nonlinear Hutchinson and Mosier (1981) model

Description

Compute flux using nonlinear Hutchinson and Mosier (1981) model

Usage

ffi_hm1981(time, conc, h = 1)

Arguments

time

Time values, numeric

conc

Gas concentration values, numeric

h

Effective chamber height

Value

Flux estimate; see references for more information.

References

Hutchinson, G. L. and Mosier, A. R.: Improved soil cover method for field measurement of nitrous oxide fluxes, Soil Sci. Soc. Am. J., 45, 311-316, 1981. doi:10.2136/sssaj1981.03615995004500020017x

Examples

# If data are approximately linear, then NA is returned
ffi_hm1981(cars$speed, cars$dist)
# If data are nonlinear (saturating) then flux based on gas diffusion theory
ffi_hm1981(Puromycin$conc, Puromycin$rate)

[Package fluxfinder version 1.0.0 Index]