@article{fdi:010065252, title = {{PISCES}-v2 : an ocean biogeochemical model for carbon and ecosystem studies}, author = {{A}umont, {O}livier and {E}the, {C}. and {T}agliabue, {A}. and {B}opp, {L}. and {G}ehlen, {M}.}, editor = {}, language = {{ENG}}, abstract = {{PISCES}-v2 ({P}elagic {I}nteractions {S}cheme for {C}arbon and {E}cosystem {S}tudies volume 2) is a biogeochemical model which simulates the lower trophic levels of marine ecosystems (phytoplankton, microzooplankton and meso-zooplankton) and the biogeochemical cycles of carbon and of the main nutrients ({P}, {N}, {F}e, and {S}i). {T}he model is intended to be used for both regional and global configurations at high or low spatial resolutions as well as for short-term (seasonal, interannual) and long-term (climate change, paleoceanography) analyses. {T}here are 24 prognostic variables (tracers) including two phytoplankton compartments (diatoms and nanophytoplankton), two zooplankton size classes (micro-zooplankton and mesozooplankton) and a description of the carbonate chemistry. {F}ormulations in {PISCES}-v2 are based on a mixed {M}onod-quota formalism. {O}n the one hand, stoichiometry of {C}/{N}/{P} is fixed and growth rate of phytoplankton is limited by the external availability in {N}, {P} and {S}i. {O}n the other hand, the iron and silicon quotas are variable and the growth rate of phytoplankton is limited by the internal availability in {F}e. {V}arious parameterizations can be activated in {PISCES}-v2, setting, for instance, the complexity of iron chemistry or the description of particulate organic materials. {S}o far, {PISCES}-v2 has been coupled to the {N}ucleus for {E}uropean {M}odelling of the {O}cean ({NEMO}) and {R}egional {O}cean {M}odeling {S}ystem ({ROMS}) systems. {A} full description of {PISCES}-v2 and of its optional functionalities is provided here. {T}he results of a quasi-steady-state simulation are presented and evaluated against diverse observational and satellite-derived data. {F}inally, some of the new functionalities of {PISCES}-v2 are tested in a series of sensitivity experiments.}, keywords = {}, booktitle = {}, journal = {{G}eoscientific {M}odel {D}evelopment}, volume = {8}, numero = {8}, pages = {2465--2513}, ISSN = {1991-959{X}}, year = {2015}, DOI = {10.5194/gmd-8-2465-2015}, URL = {https://www.documentation.ird.fr/hor/fdi:010065252}, }