slug: subsurface-currents
name: Subsurface Currents
domain: ocean
subdomain: physical
authorities:
  - gcos: subsurface-currents
  - goos: subsurface-currents
external_ids:
  nvs_uri: null
  cf_standard_name: sea_water_velocity
  iadopt_concepts:
    property: velocity
    entity: sea-water
  gcos_overlap: gcos:subsurface-currents
canonical_units: m s-1
gcos_requirement_tier:
  threshold: null
  breakthrough: null
  goal: null
description: |
  Three-dimensional velocity beneath the ocean surface from moored ADCPs,
  lowered ADCPs on hydrographic sections, gliders and float-derived drift.
  Required for transport estimates and ocean-state reanalyses.
theme: ocean
demos: []
status: stub
sources:
  - https://gcos.wmo.int/site/global-climate-observing-system-gcos/essential-climate-variables/subsurface-currents
  - https://goosocean.org/eov/subsurface-currents/