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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) <doi:10.1029/2001GB001448> with some modifications.
Version: | 1.0.0 |
Depends: | R (≥ 2.10) |
Suggests: | testthat (≥ 3.0.0), knitr, rmarkdown, ggplot2, tibble, tidyr |
Published: | 2023-02-15 |
DOI: | 10.32614/CRAN.package.PoolDilutionR |
Author: | Kendalynn A. Morris
|
Maintainer: | Kendalynn A. Morris <kendalynn.morris at gmail.com> |
License: | MIT + file LICENSE |
NeedsCompilation: | no |
Materials: | README NEWS |
CRAN checks: | PoolDilutionR results |
Reference manual: | PoolDilutionR.pdf |
Vignettes: |
Intro_PoolDilutionR |
Package source: | PoolDilutionR_1.0.0.tar.gz |
Windows binaries: | r-devel: PoolDilutionR_1.0.0.zip, r-release: PoolDilutionR_1.0.0.zip, r-oldrel: PoolDilutionR_1.0.0.zip |
macOS binaries: | r-release (arm64): PoolDilutionR_1.0.0.tgz, r-oldrel (arm64): PoolDilutionR_1.0.0.tgz, r-release (x86_64): PoolDilutionR_1.0.0.tgz, r-oldrel (x86_64): PoolDilutionR_1.0.0.tgz |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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