Riffle

{
  "id": "MLC-T-ENV-024307",
  "term": "Riffle",
  "field": "Environment",
  "definition": "1. A rocky shoal or sand bar located just below the surface of the water.\n\n2. A rocky shoal or sandbar lying just below the surface of a waterway. The choppy water created by such sand bars and shoals is also referred to as a riffle.\n\n3. A shallow part of the stream where water flows swiftly over completely or partially submerged obstructions to produce surface agitation.",
  "subject": "Water",
  "references": [
    "Sediment Total Maximum Daily Loads (TMDLs) Glossary",
    "Aquatic Biodiversity Glossary",
    "USGS National Water-Quality Assessment (NAWQA) Program Glossary; Federal Land Management in the Chesapeake Bay Watershed Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/riffle/"
}