Exam 12: Running Water--Streams and Rivers

The slope of a river is called the ____.

The outer bank of a meandering river is called a ____ and is where ____ occurs..

The total surface region that provides runoff to a stream system is known as a(n)____________________.

Which statement about average stream velocity is true?

The drainage pattern in a basin is affected in large part by ____.

Ridges of alluvium left along a stream's margins by repeated deposition during floods are called ____________________.

Braided streams develop when ____.

Streams do most of their erosion, transportation of sediment, and deposition of sediment during ____.

Former meanders that have been cut off from the stream are called ____________________.

Stream gradient is constant along the course of a river.

Streams with broad, shallow channels and narrow, deep channels have a higher flow velocity than do those with semi-circular channels.

The amount of water that passes a particular point in a river over a given time period is called the ____.

The gradient of streams tends to be ____________________ in their upper reaches and ____________________ in their lower reaches.

The suspended load consists of ____.

Streamflow is fastest ____.

A delta that has islands reworked by waves on the seaward side, such as the Nile delta, is typically formed as a(n)____-dominated delta.

Flow in which there is no mixing between parallel layers in the water is known as ____.

A delta with long, fingerlike sand bodies, each deposited in a distributary channel that progrades far seaward, such as the Mississippi River, is typically formed as a(n)____-dominated delta.

Wind gaps are created when superposed streams eroded downward into resistant rocks to create a narrow canyon.

An uplifted erosional remnant of a floodplain that formed when a stream was flowing at a higher level is called a(n)____________________.