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Gulf of Mexico Primary Productivity

Gulf of Mexico Primary Productivity. Estimates of NPP based on NASA Satellite data. Products Available. NPP estimates are obtained from www.science.oregonstate.edu/ocean.productivity/ as referenced by NASA Ocean Color Web Estimates available include SeaWiFS and MODIS-Aqua based estimates.

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Gulf of Mexico Primary Productivity

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  1. Gulf of Mexico Primary Productivity • Estimates of NPP based on NASA Satellite data

  2. Products Available • NPP estimates are obtained from www.science.oregonstate.edu/ocean.productivity/ as referenced by NASA Ocean Color Web • Estimates available include SeaWiFS and MODIS-Aqua based estimates

  3. Data Inventory • Currently obtained estimates include: • Scripts and programs created to process current estimates are transferable to all available products • VGPM is the Vertically Generalized Production Model (Behrenfeld and Falkowski,1997) • CbPM is the Carbon-based Production Model (Westberry et al., 2008) • All estimates use MODIS-A or SeaWiFS Chl and PAR along with AVHRR SST • Clouds are filled using Oregon State’s proprietary gap-filling software

  4. Work flow Source Data Ocean Color-base NPP (VGPM, CbPM) Ocean Bathymetry (NGDC) Governing PERL Script Fortran Based Tools Regional Extraction (IDL-SeaDAS Code) Temporal Aggregation Graphics Generation (GMT) Spatial Partitioning (Region or Bathymetry Based) Animation (Adobe & QuickTime)

  5. NPP (VGPM-MODISA) Example 15 April 2009 NPP (mgC/m2/d)

  6. NPP regional extractionsclimatology, Interannual Variability & Spatial Variability Regional Extraction: Climatology vs. 2007 Regional Extraction: Spatial Comparison in 2007 Regional Extraction: Interannual Variability

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