Test 2: Rivers and Flooding Flashcards
1
Q
The slope of the land over which the river flows
Steepest at higher elevations
Levels off as river approach its base
Shown on longitudinal profile
A
Gradient
2
Q
Steeper-sided and deeper valley near headwaters
Wide floodplain usually present at a base level
Differences due to higher flow velocity at higher elevations
A
Cross-sectional profile: