Articles | Volume 14, issue 1
Geosci. Model Dev., 14, 391–407, 2021
https://doi.org/10.5194/gmd-14-391-2021
Geosci. Model Dev., 14, 391–407, 2021
https://doi.org/10.5194/gmd-14-391-2021

Model evaluation paper 25 Jan 2021

Model evaluation paper | 25 Jan 2021

Performance of offline passive tracer advection in the Regional Ocean Modeling System (ROMS; v3.6, revision 904)

Kristen M. Thyng et al.

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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
AR by Kristen Thyng on behalf of the Authors (18 Nov 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (27 Nov 2020) by Qiang Wang
RR by Anonymous Referee #1 (03 Dec 2020)
ED: Publish as is (08 Dec 2020) by Qiang Wang
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Short summary
We modified the ROMS model to run in offline mode so that previously run fields of sea surface height and velocity fields are input to calculate tracer advection without running the full model with a larger time step; thus, it is faster. The code was tested with two advection schemes, and both are robust with over 99 % accuracy of the offline to online run after 14 simulation days. This allows for ROMS users to maximize use of new or existing output to quickly run additional tracer simulations.