slug: sea-level
name: Sea Level
domain: ocean
subdomain: physical
authorities:
  - gcos: sea-level
  - goos: sea-level
external_ids:
  nvs_uri: null
  cf_standard_name: sea_surface_height_above_geoid
  iadopt_concepts:
    property: height
    entity: sea-surface
  gcos_overlap: gcos:sea-level
canonical_units: m
gcos_requirement_tier:
  threshold: null
  breakthrough: null
  goal: null
description: |
  Height of the sea surface relative to a geodetic reference or tide gauge
  benchmark, from satellite radar altimetry (TOPEX/Jason/Sentinel-6) and
  the GLOSS tide-gauge network. The headline indicator of climate change.
theme: ocean
demos: []
status: documented
sources:
  - https://gcos.wmo.int/site/global-climate-observing-system-gcos/essential-climate-variables/sea-level
  - https://goosocean.org/eov/sea-level/