River Landscapes Flashcards
A River’s Long Profile and Cross Profile _______ Over its Course.
Vary.
The Path of a River as it Flows Downhill is Called its __________.
Course.
Rivers have an Upper (Closest to the Source of the River), Middle and Lower ________ (Closest to the Mouth of the River).
Course.
Rivers Form ___________ and Valleys as they Flow Downhill.
Channels.
Rivers Erode the ______________, then Transport the Material to somewhere else where it’s Deposited.
Landscape.
The Shape of the Valley and Channel Changes Along the River Depending on Whether Erosion or ______________ is Having the Most Impact (is the Dominant Process).
Deposition.
The ______ Profile of a River Shows you How the ____________ Changes Over the Different Courses.
Long…Gradient…
The ________ Profile Shows you what a Cross-Section of the River Looks Like.
Cross.
Gradient of the Upper Course?
Steep.
Gradient of the Middle Course?
Medium.
Gradient of the Lower Course?
Gentle.
Valley and Channel Shape of the Upper Course?
V-Shaped Valley, Steep Sides, Narrow and Shallow Channel.
Valley and Channel Shape of the Middle Course?
Gently Sloping Valley Sides, Wider and Deeper Channel.
Valley and Channel Shape of the Lower Course?
Very Wide, Almost Flat Valley, Very Wide and Deep Channel.
Different Types of Erosion in the Cross Profile of a River?
Vertical or Lateral.