Topics: Topographic maps; Hydrologic cycle, stream erosion, transport, deposition; Floods, stream landforms, drainage basins; Glacier movement, erosion, deposition; Glacial landforms.
Note: This is NOT intended to provide a comprehensive review. The questions below are examples of the type of questions that you should expect on the final exam.
questions: True or false?
__F__ (1) Streams transport great quantities of sediment and lateral stream migration (erosion of the floodplain) is the primary source of sediment to streams.
__T__ (2) Water flows more rapidly near the outside of a meander bend than on the inside of the bend.
__F__ (3) Meandering streams carry their sediment primarily as bedload.
__T__ (4) Point bars are depositional features found in meandering streams.
__F__ (5) Deltas are permanent unchanging geologic features.
__F__ (6) As a stream rises to flood stage, neither its discharge nor velocity increase.
__T__ (7) A glacier
forms wherever the amount of snow that falls in winter consistently exceeds
the amount that melts in summer.
__T__ (8) Glacial flow has so much energy that it transports particles of all sizes.
__F__ (9) Sediment moved by glaciers is better sorted than sediment moved by wind.
__F__ (10) Loess soils are problematic in that they are infertile and prone to erosion.
__C__ (11) Ions carried in solution in a stream constitute the:
(a) abrasion load
(b) suspended load
(c) dissolved load
(d) saltation factor
__B__ (12) When a stream has a greater supply of sediment than it can carry,
(a) it erodes some of the sediment in the channel
(b) it deposits some of the sediment in its channel
(c) it deposits some of the sediment on its banks
(d) it stops flowing
__C__ (13) The portion of a valley covered by water during a flood is called the
(a) natural levee
(c) flood plain
(d) alluvial plain
__D__ (14) A stream cross section that is shallow and wide is indicative of:
(a) cohesive banks and primarily suspended load transport
(b) cohesive banks and primarily bedload transport
(c) erodible banks and primarily suspended load transport
(d) erodible banks and primarily bedload transport
__A__ (15) A delta would be most likely found:
(a) where a stream enters a quiet body of water
(b) where a stream flows over a waterfall
(c) where a stream flows out of the mountains on onto flatter plains
(d) on the inside of a large meander bend
(16) Below is a longitudinal profile (cross-section) of an alpine glacier flowing from left to right-match the following features with letters from the diagram.
_D__ Terminal Moraine
_E__ Outwash Plain
_A__ Zone of Accumulation
_C__ Zone of Ablation
(17) If two streams are 8 kilometers apart in reality, how many centimeters apart would they be on a 1:50,000 map?
(18) Draw examples of contour lines representing: (A) a hill and (B) a depression.
(A) concentric circles (like a bull's eye)
(B) circle with hatchures
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