IOOS Core Variables

The 34 IOOS Core Variables: Ocean observing measurements required to detect and predict changes in the ocean.

Physics

  • Bathymetry
  • Bottom character
  • Currents
  • Heat flux
  • Ice distribution
  • Salinity
  • Sea level
  • Surface waves
  • Stream flow
  • Temperature
  • Wind speed and direction

Biogeochemistry

  • Acidity
  • Colored dissolved organic matter
  • Contaminants
  • Dissolved nutrients
  • Dissolved oxygen
  • Ocean color
  • Optical properties
  • Pathogens
  • Partial pressures of CO2
  • Total suspended matter

Biology and Ecosystems

  • Biological vital rates
  • Coral species and abundance
  • Fish species and abundance
  • Invertebrate species and abundance
  • Marine mammal species and abundance
  • Microbial species, abundance, and activity
  • Nekton diet
  • Phytoplankton species and abundance
  • Sea birds species and abundance
  • Sea turtles species and abundance
  • Submerged aquatic vegetation species and abundance
  • Sound
  • Zooplankton species and abundance