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20 Cards in this Set
- Front
- Back
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GEOLOGY |
the study of earth processes and earth history in order to be able to predict the interactions between human activities and solid earth |
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HYDROGEOLOGY |
a geologic field dealing with the interrelationships between water and geologic processes |
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HYDROLOGIC CYCLE |
the continuous exchange of water on earth and in the atmosphere |
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STREAM |
water flowing at variable rates that travels through a single channel or through a number of interconnected channels |
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DRAINAGE PATTERNS:
radial- dendritic- structurally controlled- |
-symmetrical hill -uniform geology -faults floods |
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BED LOAD |
sands, gravels, and cobbles, (blue ridge mountains) |
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SUSPENDED LOAD |
silts and clays (piedmont) |
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DISSOLVED LOAD |
product of chemical weathering |
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SINUOSITY |
measure of the curviness of a channel per unit length |
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CUTBANK |
outside of bend, places for erosion |
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POINT BAR |
inside of bend, form beaches |
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ALLUVIAL FAN |
arid delta |
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LOW GRADIENT STREAMS (meandering) |
-single, main channel - straight path -form at base of steep segment -change in competence, oxbow lakes |
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MOUNTAIN STREAMS |
-channel formation -alluvial fan -canyons, waterfalls |
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FLOODPLAIN |
level alluvial surface, occurs along stream channels, lateral migration |
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BASE LEVEL |
elevation at which streams can erode too |
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OROGRAPHIC EFFECT |
increasing elevation leads to increasing precipitation |
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GAUGING STATION |
a location at which stream stage is continuously measured |
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RATING CURVE |
a measured relationship between stream stage and stream discharge that is non-linear |
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RECURRENCE INTERVAL |
the average period of time that elapses between events of a given size |
