On the temperature dependence of oceanic export efficiency
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Author(s) •
Follows, Michael J
Barry, Brendan C.
Date Issued
May 2016
Journal
Geophysical Research Letters
Publisher
American Geophysical Union (AGU)/Wiley
Citation
Cael, B. B., and Michael J. Follows. “On the Temperature Dependence of Oceanic Export Efficiency.” Geophysical Research Letters, vol. 43, no. 10, 2016, pp. 5170–5175. © 2016 American Geophysical Union (AGU).
Version
Final published version
Abstract
Quantifying the fraction of primary production exported from the euphotic layer (termed the export efficiency ef) is a complicated matter. Studies have suggested empirical relationships with temperature which offer attractive potential for parameterization. Here we develop what is arguably the simplest mechanistic model relating the two, using established thermodynamic dependencies for primary production and respiration. It results in a single-parameter curve that constrains the envelope of possible efficiencies, capturing the upper bounds of several ef-T data sets. The approach provides a useful theoretical constraint on this relationship and extracts the variability in ef due to temperature but does not idealize out the remaining variability which evinces the substantial complexity of the system in question.
MIT Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
Woods Hole Oceanographic Institution
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1002/2016GL068877