Dataset: MESMO global ocean model results for glacial and freshwater hosing simulations with calibrated, semilabile and refractory dissolved organic matter

Final no updates expectedDOI: 10.26008/1912/bco-dmo.882380.1Version 1 (2022-10-13)Dataset Type:model results

Principal Investigator: Katsumi Matsumoto (University of Minnesota Twin Cities)

Student: Maya D. Gilchrist (University of Minnesota Twin Cities)

BCO-DMO Data Manager: Amber D. York (Woods Hole Oceanographic Institution)


Project: A power law model of dynamic marine phytoplankton stoichiometry (Power_law_model)


Abstract

MESMO global ocean model results for glacial and freshwater hosing simulations with calibrated, semilabile and refractory dissolved organic matter (DOM). The dataset contains NetCDF files with 3D ocean biogeochemistry model outputs.

The ocean model used to generate these outputs is MESMO 3 (Matsumoto et al., 2021).  Briefly, it is an earth system model of intermediate complexity that consists of a 3D dynamical model of the global ocean, 2D dynamic-thermodynamic model of sea ice, and 2D energy moisture balanced model of atmosphere. The results archived here are from MESMO 3 experiments under the modern conditions with freshwater hosing and under glacial conditions. The "c" in the dataset name "MESMO 3c DOM"  indicates the calibrated version of MESMO 3 was used. These experiments are described and their results analyzed in a submitted manuscript: "Modeling marine dissolved organic carbon response to climate change” by Maya D. Gilchrist and Katsumi Matsumoto.

Model outputs archived have a complete suite of biogeochemical state variables in the 3D global ocean domain. The main variables are related to the dissolved organic matter. The complete set of variables include temperature, salinity, nutrients (PO4, NO3, Fe, Si), carbon pools and their isotopes (DIC, DOC, POC, 13C and 14C) oxygen, and alkalinity. Stoichiometric ratios of phytoplankton functional types (C:P, C:N, N:P) are also included. Rates and fluxes archived include production (NPP, export) by phytoplankton types and nitrogen fixation and denitrification.

MESMO 3c model runs with semilabile and refractory DOM. 220407 experiments are transient freshwater hosing experiments. 220408 experiments are steady state glacial model runs.

ee "Data Files" section for a file bundle containing the following NetCDF files.
220407v.nc = Control run for the freshwater hosing experiments
220407w.nc = 0.4 Sv freshwater hosing experiment
220407x.nc = 0.3 Sv freshwater hosing experiment
220407y.nc = 0.2 Sv freshwater hosing experiment
220407z.nc = 0.1 Sv freshwater hosing experiment

220408b.nc = Control run for the glacial experiments
220408c.nc = Full glacial experiment
220408d.nc = Glacial land ice experiment
220408e.nc = Glacial greenhouse gas experiments
220408f.nc = Glacial dust experiment
220408g.nc = Glacial orbital parameters experiment
220408h.nc = Glacial winds experiment

Temporal range for 220408 glacial experiments: Steady state after 20,000 years of model run.
Temporal range for 220407 hosing experiments: Transient state with 1000 years of freshwater perturbation and 1500 years of continued run.


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Results

Matsumoto, K., and Gilchrist, M (submitted). "Modeling marine dissolved organic carbon response to climate change” submitted to Paleoceanography and Paleoclimatology.
Methods

Matsumoto, K., Tanioka, T., & Zahn, J. (2021). MESMO 3: Flexible phytoplankton stoichiometry and refractory dissolved organic matter. Geoscientific Model Development, 14(4), 2265–2288. https://doi.org/10.5194/gmd-14-2265-2021