Perennial streams definition
Perennial streams means all primary and secondary perennial waterways as mapped by the U.S. Geological Survey.
Perennial streams means fresh waters flowing year-round in all or part of natural channels, portions of which may be modified by humans. Flow in perennial streams may vary seasonally. Perennial streams may be subdivided into longitudinal zones, based on elevation and gradient:
Perennial streams means fresh waters flowing year-round in all or part of natural channels, portions of which may be modified by humans. Flow in perennial streams may vary seasonally. Perennial streams may be subdivided into longitudinal zones, based on elevation and gradient: (1) headwater zone (elevation above 800 m [2600 ft] or gradient above
Examples of Perennial streams in a sentence
Perennial Streams: Perennial streams are natural water courses (including modified natural water courses) whose stream beds during normal hydrologic years are always below the groundwater table.
Perennial streams should normally be classified for fish & aquatic life.
More Definitions of Perennial streams
Perennial streams means fresh waters flowing year-round in all or part of natural channels, portions of which may be modified by humans. Flow in perennial streams may vary seasonally. Perennial streams may be subdivided into longitudinal zones, based on elevation and gradient: [(1)Headwater zone (elevation above 800 m [2600 ft] or gradient above 30 per cent or both); (2)Mid-zone (elevation between 50 800 m [165-2600 ft], or gradient between 5 and 30 per