Chapter 16 Rivers Flashcards
(21 cards)
85% in glaciers, 14% in groundwater and 1% in rivers, lakes, soil, atmosphere is a example of
Freshwater
Cryptosporidium means?
Hidden spores
How do you calculate Gradient of a Stream?
The slope formula
This relative discharge 17,715 m3/sec average flow #7 is an example of
The Mississippi River
This relative discharge 392,000 m3/sec average flow #2 is an example for
The Congo River
This relative discharge 1,740,000 m3/sec average flow #1
The Amazon River
Floodplain deposits is an example of?
Natural Levels
Deposited on land is a detail of
Alluvial Fan
Deposited in a body of water, Mississippi River Delta is
Deltas
What do the Mississippi River and New Orleans sit on
Delta MUDs
Branching pattern in treelike underlying bedrock in uniform flat sedimentary or massive igneous is an example of
Dendritic Pattern
Streams diverge from central area volcanic cones and domes is a
Radial Pattern
Pattern with many right angle bends and straight channels rock cut by series of faults or joints is example of
Rectangular Pattern
Rectangular pattern, tributary streams parallel alternating weak and strong rocks fold Appalachians of northwest Georgia is an example of
Trellis Pattern
Downcutting, v-shaped, Rapids, waterfalls, steep gradient, little or no floodplain, few meanders is explaining what stream development?
Youth
Lateral erosion, floodplain, meanders, oxbow lakes is describing what stream development?
Mature
Floodplain several times wider than meander path oxbow lakes, natural levees is an example of what stream development?
Old Age
Uplifting of mature stream, reverses to downcutting is described as what stream development?
Rejuvenated
Loss of floodplain is what stream development?
Entrenched Meanders
Remands of old floodplain (elevated) is describing what stream development?
Terraces
What are all those 97.5% Oceans, 2.15% in ice, 0.65% in groundwater 1% in rivers, lakes, soil, and atmosphere apart of?
Water