test 2 questions

test 2 questions - 1 Alluvial fans develop at unusual...

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1. Alluvial fans develop at unusual locations where stream gradients abruptly increase for a short distance 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. Natural levees are constructed of machine-compacted sand and mud; artificial levees are made of concrete 6. Point bars are depositional features located along the outer meander bends 7. Rapids are waterfalls of characteristics of laterally cutting streams 8. After a meander is cut off , the gradient through the newly formed cutoff is steeper than the gradient along the abandoned meander loop 9. The lower Mississippi River has the largest discharge of any river in North America 10. Stream discharge is defined as the quantity of water flowing past a specific channel location per unit time 11. Urbanization lowers peak discharges on small streams by routing the runoff directly to the stream 12. A stream flowing out from a lake cannot down cut below the water surface
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test 2 questions - 1 Alluvial fans develop at unusual...

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