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• Tides
  • needed for estuary modeling project
  • global / regional
    
• Variable time step
  
  • would allow two-way coupling of open to coastal system models
  • key performance opportunity
  • Implicit / explicit tradeoffs
• Land inundation
  • wetting / drying between land and free surface (see also ocean-ice sheet wetting / drying)
• Surface wave model
  • needed for inundation modeling
  • needed for improved ocean boundary layer modeling
• Coastal BGC - Coupled river-estuary-coastal ocean reaction eqs.
  • includes inorganic carbon chemistry
  • extending BGC into the coastal ocean system
• Sediment transport
  • needed for the evolution of the coastline and BGC processes

Marine BGC 

• MARBL, including new processes in MARBL (isotope module, ocean acidification effects)
• Bring MARBL up to date with ACME.v1/POP
  • Phaeocystis and trace gas module
  • organic carbon
  • methane
  • ice and ocean BGC coupling
• Coupling of trace gas and organics with atmosphere
• CFCs into MPAS-O
• merging Keith Moore's updates to MARBL
• BGC analysis members/metrics for MPAS-seaice
• BGC analysis members/metrics for MPAS-O

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