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Author: Dave Bressler

USGS StreamStats

StreamStats provides access to spatial analytical tools that are useful for water-resources planning and management, and for engineering and design purposes. The map-based user interface can be used to delineate drainage areas, get basin characteristics and estimates of flow statistics, and more. Link to StreamStats Application: https://streamstats.usgs.gov/ss/ Useful statistics are provided in the Watershed Characteristics Reports such as % watershed in carbonate rock, % imperviousness, % urban land, precipitation summary stats, and topographic characteristics. Like

Pollution intolerant Stonefly (Family – Chloroperlidae; Genus – Alloperla)

How to See a Stream: Part Two, Stream Monitoring and Impairment

What can one do to help a stream recover from pollution, protect a stream from degradation, or simply understand what the issues and risks are?

Autumn leaves in a flowing stream.

How to See a Stream: Part One, Stream Health Dynamics

Streams and the valleys they drain are complex environments. This complexity makes regulating, restoring, and protecting these aquatic systems a complicated process.