Underflow

{
  "id": "MLC-T-ENV-029041",
  "term": "Underflow",
  "field": "Environment",
  "definition": "The lateral motion of water through the upper layers until it enters a stream channel. This usually takes longer to reach stream channels than runoff. This also called subsurface storm flow.",
  "references": [
    "NOAA National Weather Service JetStream - Online School for Weather Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/underflow/"
}