Crest gauge

{
  "id": "MLC-T-MET-004752",
  "term": "Crest gauge",
  "field": "Meteorology and atmospheric science",
  "definition": "A device used to measure and record the maximum water level, or crest, reached in a stream or river during a flood event. A common design consists of a vertical pipe containing a wooden or aluminum staff and a small amount of granulated cork. As water rises in the pipe, the cork floats and adheres to the staff at the highest point reached, leaving a clear mark after the water recedes.",
  "url": "https://mlchart.com/terminology/meteorology/crest-gauge/"
}