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PoolDilutionR  

Calculate Gross Biogeochemical Flux Rates from Isotope Pool Dilution Data
View on CRAN: Click here


Download and install PoolDilutionR package within the R console
Install from CRAN:
install.packages("PoolDilutionR")

Install from Github:
library("remotes")
install_github("cran/PoolDilutionR")

Install by package version:
library("remotes")
install_version("PoolDilutionR", "1.0.0")



Attach the package and use:
library("PoolDilutionR")
Maintained by
Kendalynn A. Morris
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2023-02-15
Latest Update: 2023-02-15
Description:
Pool dilution is a isotope tracer technique wherein a biogeochemical pool is artifically enriched with its heavy isotopologue and the gross productive and consumptive fluxes of that pool are quantified by the change in pool size and isotopic composition over time. This package calculates gross production and consumption rates from closed-system isotopic pool dilution time series data. Pool size concentrations and heavy isotope (e.g., 15N) content are measured over time and the model optimizes production rate (P) and the first order rate constant (k) by minimizing error in the model-predicted total pool size, as well as the isotopic signature. The model optimizes rates by weighting information against the signal:noise ratio of concentration and heavy- isotope signatures using measurement precision as well as the magnitude of change over time. The calculations used here are based on von Fischer and Hedin (2002) with some modifications.
How to cite:
Kendalynn A. Morris (2023). PoolDilutionR: Calculate Gross Biogeochemical Flux Rates from Isotope Pool Dilution Data. R package version 1.0.0, https://cran.r-project.org/web/packages/PoolDilutionR. Accessed 24 Oct. 2026.
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