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15 Cards in this Set
- Front
- Back
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Name the five processes involved in the water cycle.
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-Precipitation
-Evaporation -Infiltration -Runoff -Transpiration |
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What does balancing in the water cycle mean?
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It means the average annual precipitation over Earth equals the amount of water that evaporates.
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The ability of a stream to erode and transort materials depends largely on what?
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Velocity
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What is one change from upstream to downstream?
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While the gradient decreases between a stream's headquarters and mouth, discharge increases.
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Name three factors that increase downstream.
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-Velocity
-Discharge -Channel Size |
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Name two factors that decrease downstream.
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-Gradient, or Slope
-Channel Roughness |
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What is a feature of Karst Topography?
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Sinkholes
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What shape are most younger streams? What are some characteristics?
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Narrow v-shape valleys include rapids and waterfalls. Stream is just starting to cut through.
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What do wide valleys signify?
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A stream near base level.
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Name three features of a wide valley.
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-Meanders
-Cutoffs -Oxbow Lakes |
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Name some methods used to control floods.
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-Artificial levees
-Flood control dams -Placing limits on floodplain developement |
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How are hotsprings heated?
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They are heated by the cooling of igneous rocks.
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Define artesian well.
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A well in which groundwater rises on its own pressure.
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What are some environmental problems associated with groundwater?
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-Overuse
-Contamination |
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What is a cavern?
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A cavern is a naturallt formed underground chamber formed in the zone of aeration.
-Stalactites: hanging from the ceiling -Stalagmites: growing upward from the floor |
