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Rivers and Streams
This PowerPoint and notes bundle starts with looking at the formation of rivers and their drainage basins including drainage patterns such as dendritic, radial, rectangular and trellis.
The next topic is stream flow and the differences between laminar and turbulent and factors affecting each. Also discussed is factors affecting stream velocity. These factors include channel slope, channel cross-sectional shape, channel size and roughness, and discharge or the amount of water flowing in the channel.
The next topic is running water as an erosional agent. Here, I expand the topic into geologic features produced by erosion, how sediments are transported in the stream, capacity and competence and stream deposition through sorting.
Next, I discuss the difference between bedrock and alluvial channels. I then discuss two common types of alluvial channels which are meandering channels and braided channels. I discuss features and formation of each in depth.
I then discuss base level in a stream, graded streams, how streams widen and deepen a valley, and stream terraces. Depositional landforms is an important topic. These include deltas, natural levees and alluvial fans.
Finally, the topic of flooding and flood control is discussed. Also, methods of controlling floods through the construction of artificial levees, river channelization, and the building of flood-control dams. This also includes an example of how Central Texas uses flood-control dams to manage flood waters.
Included in the Rivers and Streams Notes Bundle:
· PowerPoint: Rivers and Streams
· PowerPoint Notes Handout: Rivers and Streams
· Quiz: Rivers and Streams
· Quiz Key: Rivers and Streams
Not included, but also available for purchase through the super bundle:
· Questions: Rivers and Streams
· Questions Key: Rivers and Streams