The total possible load a stream can transport is its

This preview shows page 14 - 20 out of 31 pages.

chap11

The total possible load a stream can transport is its whereas a streams ability from GEOG A180 at Orange Coast College

34 )   The downstream portion of a river
A ) generally becomes more sluggish .
B ) generally is of higher velocity , although it is masked by reduced turbulence .
C ) features greater hydraulic action than do upstream portions .
D ) has lower discharges than do upstream portions .
Answer:  B )   generally is of higher velocity , although it is masked by reduced turbulence .
35 )   The total possible load a stream can transport is its ________ , whereas a stream 's ability to move particles of specific size is its _ __ _____.
Get answer to your question and much more
36 )   As a stream 's carrying capacity decreases , which of the following sizes of sediments will be deposited last ?
Get answer to your question and much more
37 )   As base level is approached by a stream , the ability of a stream to erode it s bed
Get answer to your question and much more
38 )   If the capacity of a stream is exceeded , ________ will occur .
A ) downcutting
B ) erosion of valley walls
C ) aggradation
39 )   The construction of a dam across a river is likely to cause ________ upstream and ________ downstream .
Get answer to your question and much more
40 )   Which of the following stream channel forms is likely to develop when aggradation greatly exceeds erosion ?
Get answer to your question and much more
41 )   Increased velocity and a rough channel can produce a
Get answer to your question and much more
42 )   An increase in turbulence
A ) results in deposition of sediment .
B ) results in aggradation .
C ) causes terraces to form .
D ) increases the river 's erosive power .
43 )   A meandering stream is one that is
Get answer to your question and much more
44 )   Which of the following is likely to occur if the gradient of a stream increases ? ( Assume that the discharge and sediment load remain unchanged . )
Get answer to your question and much more
45 )   The maximum velocity line in a stream is
Get answer to your question and much more
46 )   If you wanted to build a structure along a river  especially one that flows through unconsolidated sediments  you should build the structure ________ to maximize its lifetime .
A ) along the cutbank
B ) above the point bar
C ) in a delta
D ) Any of these is equally safe .
Answer:  B )   above the point bar
47 )   Which of the following is incorrectly matched ?
Get answer to your question and much more
35) The total possible load a stream can transport is its ________, whereas a stream's ability to move particles of specific size is its ________. A)capacity; competence B)competence; capacity C)discharge; competence D)bed load; sediment load Answer:
A 36) As a stream's carrying capacity decreases, which of the following sizes of sediments will be deposited last?
37) As base level is approached by a stream, the ability of a stream to erode its bed
38) If the capacity of a stream is exceeded, ________ will occur.
39) The construction of a dam across a river is likely to cause ________ upstream and ________ downstream. A)erosion; aggradation B)erosion; erosion C)aggradation; erosion D)aggradation; aggradation Answer:C
40) Which of the following stream channel forms is likely to develop when aggradation greatly exceeds erosion?
41) Increased velocity and a rough channel can produce a
42) An increase in turbulence
43) A meandering stream is one that is A)completely stable. B)completely unstable. C)delicately balanced between equilibrium and chaos. D)closed in terms of energy and matter input. Answer:C
44) Which of the following is likely to occur if the gradient of a stream increases? (Assume that the discharge and sediment load remain unchanged.)
45) The maximum velocity line in a stream is
46) If you wanted to build a structure along a riverespecially one that flows through unconsolidated sediments you should build the structure ________ to maximize its lifetime.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture