@article{fdi:010083918, title = {{C}onfiguration and validation of an oceanic physical and biogeochemical model to investigate coastal eutrophication in the {S}outhern {C}alifornia bight}, author = {{K}essouri, {F}. and {M}c{L}aughlin, {K}. and {S}utula, {M}. and {B}ianchi, {D}. and {H}o, {M}. {N}. and {M}c{W}illiams, {J}. {C}. and {R}enault, {L}ionel and {M}olemaker, {J}. and {D}eutsch, {C}. and {L}einweber, {A}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {S}outhern {C}alifornia {B}ight ({SCB}), an eastern boundary upwelling system, is impacted by global warming, acidification, and oxygen loss and receives anthropogenic nutrients from a coastal population of 20 million people. {W}e describe the configuration, forcing, and validation of a realistic, submesoscale-resolving ocean model as a tool to investigate coastal eutrophication. {T}his modeling system represents an important achievement because it strikes a balance of capturing the forcing by {U}.{S}. {P}acific {C}oast-wide phenomena, while representing the bathymetric features and submesoscale circulation that affect the transport of nutrients from natural and human sources. {M}oreover, the model allows simulations at time scales that approach the interannual frequencies of ocean variability. {T}he model simulation is evaluated against a broad suite of observational data throughout the {SCB}, showing realistic depiction of the mean state and its variability with satellite and in situ measurements of state variables and biogeochemical rates. {T}he simulation reproduces the main structure of the seasonal upwelling front, the mean current patterns, the dispersion of wastewater plumes, as well as their seasonal variability. {F}urthermore, it reproduces the mean distributions of key biogeochemical and ecosystem properties and their variability. {B}iogeochemical rates reproduced by the model, such as primary production and nitrification, are also consistent with measured rates. {T}his validation exercise demonstrates the utility of using fine-scale resolution modeling and local observations to identify, investigate, and communicate uncertainty to stakeholders to support management decisions on local anthropogenic nutrient discharges to coastal zones.}, keywords = {biogeochemical modeling ; eastern boundary upwelling system ; model ; validation ; oxygen and carbonate system ; anthropogenic nutrients ; coastal processes ; {PACIFIQUE} ; {CALIFORNIE}}, booktitle = {}, journal = {{J}ournal of {A}dvances in {M}odeling {E}arth {S}ystems}, volume = {13}, numero = {12}, pages = {e2020{MS}002296 [34 p.]}, year = {2021}, DOI = {10.1029/2020ms002296}, URL = {https://www.documentation.ird.fr/hor/fdi:010083918}, }