Comparison of Different Methods for Determining Stream Flow at a Stream Site

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Streams moving at a high speed can carry larger sizes of sediment and cause extreme erosion, while slow moving streams deposit sediments that can cause excessive build up. Stream flow is an important factor in the stream ecosystem and is responsible for many of the physical characteristics of a stream. Stream flow can also modify the chemical and biological aspects of a stream. Aquatic plants and animals depend upon stream flow to bring vital food and nutrients from upstream, or remove wastes downstream. For this reason, stream flow must be carefully monitored at regular intervals. There are several ways to measure the stream flow, but which way is the best? In this lesson, students will measure the stream flow using different methods and will determine the most accurate method for determining discharge, the measure of stream flow.

Topic(s): Sediments Rivers and Streams Geosphere Biosphere Hydrosphere
  • Subject(s): Mathematics, Science
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