slug: sea-surface-salinity
name: Sea Surface Salinity
domain: ocean
subdomain: physical
authorities:
  - gcos: sea-surface-salinity
  - goos: sea-surface-salinity
external_ids:
  nvs_uri: http://vocab.nerc.ac.uk/collection/P02/current/PSAL/
  cf_standard_name: sea_surface_salinity
  iadopt_concepts:
    property: salinity
    entity: sea-surface
  gcos_overlap: gcos:sea-surface-salinity
canonical_units: "1e-3"
gcos_requirement_tier:
  threshold: null
  breakthrough: null
  goal: null
description: |
  Salinity of the near-surface ocean from Argo floats, drifters, thermosalinographs
  and L-band radiometry (SMOS, SMAP, Aquarius). Indexes the global hydrological
  cycle over ocean and influences mixed-layer dynamics.
theme: ocean
demos: []
status: documented
sources:
  - https://gcos.wmo.int/site/global-climate-observing-system-gcos/essential-climate-variables/sea-surface-salinity
  - https://goosocean.org/eov/sea-surface-salinity/