LakeMetabolizer: an R package for estimating lake metabolism from free-water oxygen using diverse statistical models

Winslow, Luke A.; Zwart, Jacob A.; Batt, Ryan D.; Dugan, Hilary A.; Woolway, R. Iestyn; Corman, Jessica R.; Hanson, Paul C.; Read, Jordan S.. 2016 LakeMetabolizer: an R package for estimating lake metabolism from free-water oxygen using diverse statistical models. Inland Waters, 6 (4). 622-636. https://doi.org/10.5268/IW-6.4.883

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Abstract/Summary

Metabolism is a fundamental process in ecosystems that crosses multiple scales of organization from individual organisms to whole ecosystems. To improve sharing and reuse of published metabolism models, we developed LakeMetabolizer, an R package for estimating lake metabolism from in situ time series of dissolved oxygen, water temperature, and, optionally, additional environmental variables. LakeMetabolizer implements 5 different metabolism models with diverse statistical underpinnings: bookkeeping, ordinary least squares, maximum likelihood, Kalman filter, and Bayesian. Each of these 5 metabolism models can be combined with 1 of 7 models for computing the coefficient of gas exchange across the air–water interface (k). LakeMetabolizer also features a variety of supporting functions that compute conversions and implement calculations commonly applied to raw data prior to estimating metabolism (e.g., oxygen saturation and optical conversion models). These tools have been organized into an R package that contains example data, example use-cases, and function documentation. The release package version is available on the Comprehensive R Archive Network (CRAN), and the full open-source GPL-licensed code is freely available for examination and extension online. With this unified, open-source, and freely available package, we hope to improve access and facilitate the application of metabolism in studies and management of lentic ecosystems.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.5268/IW-6.4.883
UKCEH and CEH Sections/Science Areas:	Parr
ISSN:	2044-2041
Additional Keywords:	gas exchange, GLEON, lake metabolism models, open source, R package, sensors
NORA Subject Terms:	Ecology and Environment
Date made live:	22 Dec 2016 11:03 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/515644

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