Mean tide level

{
  "id": "MLC-T-MET-007169",
  "term": "Mean tide level",
  "field": "Meteorology and atmospheric science",
  "definition": "The average height of the water surface over a specific period, typically 19 years, which encompasses a full lunar nodal cycle. This level is determined by averaging all high and low water heights observed during the designated period. It serves as a fundamental vertical datum for coastal mapping and navigation charts.",
  "url": "https://mlchart.com/terminology/meteorology/mean-tide-level/"
}