Articles | Volume 16, issue 13
https://doi.org/10.5194/bg-16-2617-2019
https://doi.org/10.5194/bg-16-2617-2019
Research article
 | 
05 Jul 2019
Research article |  | 05 Jul 2019

Global trends in marine nitrate N isotopes from observations and a neural network-based climatology

Patrick A. Rafter, Aaron Bagnell, Dario Marconi, and Timothy DeVries

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (13 Mar 2019) by Perran Cook
AR by Patrick Rafter on behalf of the Authors (15 Mar 2019)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (20 Mar 2019) by Perran Cook
RR by Anonymous Referee #2 (15 Apr 2019)
ED: Publish as is (23 Apr 2019) by Perran Cook
AR by Patrick Rafter on behalf of the Authors (12 May 2019)  Manuscript 

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Patrick Rafter on behalf of the Authors (19 Jun 2019)   Author's adjustment   Manuscript
EA: Adjustments approved (24 Jun 2019) by Perran Cook
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Short summary
The N isotopic composition of nitrate (nitrate δ15N) is a useful tracer of ocean N cycling and many other ocean processes. Here, we use a global compilation of marine nitrate δ15N as an input, training, and validating dataset for an artificial neural network (a.k.a., machine learning) and examine basin-scale trends in marine nitrate δ15N from the surface to the seafloor.
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