Interactive Animation: Stream Terrace Formation – Flashcards
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When do stream terraces form?
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when streams exist under alternating erosional and depositional conditions
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When do streams erode laterally?
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when downcutting is occurring in easy-to-erode sediment or rock
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What is a stream terrace?
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a remnant of an older floodplain that sits above the stream valley
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How many stream terraces can exist along a single valley?
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No limit exists. Stream terraces will keep forming as long as lateral erosion and downcutting continue.
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Are stream terraces depositional or erosional landforms?
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Stream terraces can be either depositional or erosional.
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Imagine a valley containing four stream terraces. Where would the youngest stream terrace be found?
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the lowest terrace