authority: gcos
slug: ocean-nutrients
name: Ocean Nutrients
domain: ocean
subdomain: biogeochemical
authority_id: gcos:ocean-nutrients
external_ids:
  nvs_uri: null
  cf_standard_name: mole_concentration_of_nitrate_in_sea_water
  iadopt_concepts:
    property: concentration
    entity: nutrient
canonical_units: mol m-3
gcos_requirement_tier:
  threshold: null
  breakthrough: null
  goal: null
description: |
  Dissolved inorganic macronutrients in sea water (nitrate, phosphate,
  silicate), measured by ship hydrography and BGC-Argo nitrate sensors.
  Set primary-production limits and biogeochemical stoichiometry.
theme: ocean
demos: []
status: documented
sources:
  - https://gcos.wmo.int/site/global-climate-observing-system-gcos/essential-climate-variables/nutrients