Exam 3: Landscapes Fashioned by Water

Ranked by discharge, what is the world's largest river?

Gravity plays an important role in all mass wasting events.

________ is located in tiny pore spaces between grains of soil and sediment, underground.

The continuous side-to-side erosion caused by shifting of the stream's meanders produces an increasingly broader, flat valley floor covered with alluvium. The flat part of this valley floor, next to the stream, is the ________.

Which of the drainage patterns shown here might develop on relatively uniform surface materials?

Groundwater is the largest reservoir of ________.

The maze of steep-sided limestone hills in the Guilin District of southern China is a celebrated example of ________.

Laminar flow is characterized by swirling eddies of water motion.

Streams erode downward until they reach ________.

Groundwater tends to flow through bodies of rock or sediment that ________.

Is this river likely to have a bedrock channel or alluvial channel?

At a delta, which of the following happens?

In parts of the High Plains aquifer, water is being pumped from the ground faster than it is replenished. This has resulted in the water table dropping significantly.

Label each of the three zones (as defined by the dominant activity there)of the river shown in the figure.

Artesian wells may be nonflowing.

Building a dam on a stream raises its ________, causing it to cease erosion and begin to deposit sediment.

Groundwater may be ________.

External processes that occur at or near Earth's surface and are powered by ________.

Leaking septic tanks and agricultural fertilizers are both potential sources of groundwater contamination.

________ floods are limited in area, occur with little warning, and are most common with intense rainfall events in areas of impervious surface conditions or steep topography.