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landscapes - Fluvial Processes and landscapes Objectives 1...

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Fluvial Processes and landscapes Objectives : 1. Know about fluvial process and the related landscapes. 2. Be able to use topographic maps to describe and  interpret streams. 3. Understand meander river evolution and consequence.
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Fluvial Processes Fluvial Processes are related to running water. are related to running water. 1. Erode the channels in which they flow. 2. Transport sediment and solutes provided by other weathering agents. 3. Produce a wide range of erosional and depositional landforms .
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Running water on the surface - two forms of runoff overland flow : broad sheets of water running over surface stream flow : Channel flow
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Streams are channeled flow of surface water moving downhill under the force of gravity. Rivers - largest streams
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Creeks, streams - medium sized streams
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Brooks, streamlets, rivulets and runnels - smallest streams
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Fluvial processes : geomorphic processes in which running water is the dominant fluid agent; acting as overland flow and stream flow Fluvial landforms : landforms shaped by running water.
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stream drainage pattern
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This stream system in Yemen, photographed from orbit, shows a very large dendritic network that carries water toward the Red Sea from the southwestern corner of the Saudi Arabian peninsula.
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stream drainage system
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Drainage Basins and Divides Drainage Basin – an entire stream drainage system Divide – linear boundary that separates one drainage basin from another Drainage Basin “A” Drainage Basin “B” D i vi d e
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