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NPZD

Interannual chla variability (mgChl/m3). PO 4. Fe. PO 4. Calcifiers. DOC. Zoo. POC. export. Observations (SeaWiFS). NPZD. PISCES-T. DGOM. Surface chla (mgChl/m3). Observations (SeaWiFS). NPZD. PISCES-T. DGOM. Interannual chla variability (mgChl/m3). Observations (SeaWiFS). NPZD.

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NPZD

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  1. Interannual chla variability (mgChl/m3) PO4 Fe PO4 Calcifiers DOC Zoo POC export Observations (SeaWiFS) NPZD PISCES-T DGOM

  2. Surface chla (mgChl/m3) Observations (SeaWiFS) NPZD PISCES-T DGOM

  3. Interannual chla variability (mgChl/m3) Observations (SeaWiFS) NPZD PISCES-T DGOM

  4. Interannual chla variability (percent) Observations (SeaWiFS) NPZD PISCES-T DGOM

  5. Surface chla (mgChl/m3) Observations (SeaWiFS) NPZD 0.6 0.3 Interannual standard deviation PISCES-T DGOM 0.3 0.3 mean

  6. Observations NPZD Log (meso-zoo/chl) PISCES-T DGOM Log (chl)

  7. CO2 sink (PgC/y) 0 4 10 Export (PgC/y) 14

  8. biological activity 45 Si PO4 NO3 NH4 Fe DMS 34 CO2 + H2O + CO2-3 2HCO-3 Calcifiers Nano phytoplankton DMS producers N2 fixers Silicifiers CaCO3 DOM 33 11 11 physical transport oceanic carbon cycle 90 CO2 chemical reactions

  9. CO2 + H2O + CO2-3 2HCO-3 oceanic carbon cycle 90 1.8 CO2 biological activity chemical reactions 45 Si PO4 NO3 NH4 Fe DMS 34 Calcifiers Nano phytoplankton DMS producers N2 fixers Silicifiers CaCO3 DOM 33 11 11 physical transport

  10. CO2 + H2O + CO2-3 2HCO-3 oceanic carbon cycle CO2 90 1.8 – 0.8 biological activity chemical reactions 45 Si PO4 NO3 NH4 Fe DMS 34+1 Calcifiers Nano phytoplankton DMS producers N2 fixers Silicifiers CaCO3 DOM 33 11 11-1 physical transport

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