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Assignment 07-Ch5-1 - 12 is the boundary line separating...

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Assignment 7 – Chapter 5 True – False 1. The capacity of a stream measures the maximum size of particles it is capable of transporting. 2. Gradients usually decrease downstream in a major river system. 3. Alluvium refers to stream deposits, mainly sand and gravel. 4. The lowest base level for most streams is sea level. 5. Point bars are depositional features located along the outer portions of meander bends. 6. Stream discharge is defined as the quantity of water flowing past a specific channel location per unit time. 7. The velocity of a river usually increases downstream. 8. Porosity is a measure of the volume of open space in rocks and unconsolidated geological materials such as alluvium and soils. 9. As its name implies, the water table is always very level (flat). 10. Most caves and caverns originate by solution of limestone. Short Answer 11. The lowest elevation limiting stream erosion is called ____________.
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Unformatted text preview: 12. ____________ is the boundary line separating adjacent stream drainage basins. 13. The unsaturated zone above the water table is also known as the ____________. 14. Which component of the water cycle describes the recharge of water to the soil and groundwater systems? 15. Highly impermeable layers such as compacted clay or shale are known as ____________. 16. What term denotes the percentage of open space or voids in a material? 17. ____________ is defined as the drop in elevation of the stream surface divided by the distance the water flows. 18. What stream characteristic is measured by the size of the largest particle that a stream can move? 19. A stream flowing into a sinkhole is called a ____________. 20. A ____________ is a circular to elliptical, closed depression in karst areas....
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