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15 Cards in this Set
- Front
- Back
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What are positive outcomes when water runs downhill?
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Forms streams, ponds, lakes
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What are negative outcomes when water runs downhill?
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Erosion, kills vegetation, sedimentation, wet fields prone to flooding
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Related factors and hydrologic factors are ________ factors in hydrology.
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controlling
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What are examples of hydrologic factors?
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precipitation, evaporation, climate(wind,sun, temp)
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What are examples of related factors in controlling hydrology?
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tomography(slope), soil type, vegetation
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What are 4 drainage patterns with hydrological features?
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valley, ridge, flat slope, and water flow system
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A valley is a ______ drainage.
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channel
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A ridge is a _______ drainage.
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disperse
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A flate slope is a _____ drainage.
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sheet
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A water flow system is a ____.
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watershed
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Metal, concrete, plastic, or log pipe through which water is carried is a _____.
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culvert
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A ditch and a hump across a trail or road at an angle to guide water off of the trail is a ______.
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drainage dip
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A rock, log or plastic structure set in the trail at an angle to guide water off of the trail is a ______.
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waterbar
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Rock fragments(3" to 8" in size) placed to protect from the erosive forces of flowing water or stabilize an area for traffic is a _______.
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rip rap
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Ways to control runoff and erosion are:
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reduce slope, culvert, drainage dip, waterbar, and rip rap
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