Chapter 13-17
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Created by:
BradyJones32 Plus on December 12, 2011
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19 terms
Terms | Definitions |
|---|---|
 What is meant by passive and active continental margin? | (submerged edge of continent) Passive- no plate boundary Active- along a plate boundary |
| Mid ocean ridges indicate a ______ plate boundary? |  divergent |
| deep ocean trenches and lines of volcanoes indicate a ______ plate boundary |  Convergent |
| The Primary force driving mass wasting | Gravity |
| Types of mass wasting is classified by its? | speed and manner of movement |
| Hydrologic Cycle | circulation of water among oceans, land, atmosphere etc |
| A stream not at base leel erodes it channel by? | downcutting |
| Dissolved Load | soluble minerals dissolve in stream |
| Suspended load | fine particles remain suspended in the water all the time |
| Bed Load | larger particles that move along the streams bottom |
| Saltation | Medium particles bounce along the bottom |
| Traction | large particles roll along the bottom |
| Factors that Reduce Runoff | Flat, vegetation, Fractured/permeable rock |
| Factors that Increase Runoff | Clay-rich soil, paving, steeper slopes |
| Floodplain | is a flat or nearly flat land adjacent a stream or river that stretches from the banks of its channel to the base of the enclosing valley walls and experiences flooding during periods of high |
| Permeability | ability of a material to transmit water |
| Porosity | volume of por space in rock or sediment (expressed as percent %) |
| Unconfined Aquifer | no overlying impermeable layer |
| Artesian Aquifer | water rises to the surface due to pressure where the recharge area is at a higher elevation. |
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