hydraulic head

{
  "id": "MLC-T-MET-001333",
  "term": "hydraulic head",
  "field": "Meteorology and atmospheric science",
  "definition": "In hydrologic terms,\n(1) The height of the free surface of a body of water above a given point beneath the surface.\n(2) The height of the water level at\nthe headworks, or an upstream point, of a waterway, and the water surface at a given point downstream.\n(3) The height of a\nhydraulic grade line above the center line of a pressure pipe, at a given point.",
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/hydraulic-head/"
}