GEOL 101 Geology of

GEOL 101 Geology of

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GEOL 101 Geology of

Question 11 pts

Which of the following is the largest reservoir in the hydrosphere?

Group of answer choicesthe oceans

lakes and rivers

groundwater

glaciers

The lowest elevation to which a stream can erode is called:

Group of answer choicesbase level

meander size

flood frequency

channel pattern

The fan-shaped deposit of sediment that forms when a stream reaches its base level is called a ________.

Group of answer choicesalluvial fan

delta

floodplain

terrace

In a stream channel, the total volume of water flowing through a cross-section of stream is _______.

Group of answer choicesgradient

friction

suspended load

discharge

Which step in the hydrologic cycle describes the sinking of water into the ground?

Group of answer choicesPercolation

Precipitation

Condensation

Infiltration

Meanders migrate or shift their location by which process?

Group of answer choicesdowncutting erosion

sediment deposition on the inside of meander bends and lateral erosion on the outside

all of the above

lateral erosion on the inside of meander bends and deposition on the outside

The size of a stream is related to which of the following?

Group of answer choicesRainfall/snowmelt

Size of the drainage basin

all of the above

Climate

A braided stream may develop when

Group of answer choicesThe gradient of a stream is very high

two rivers converge

The sediment load in a stream is very high

The velocity of a stream is very high

Which of the following will influence the severity of a flood?

Group of answer choicesAll of these are correct

Permeability of soil

Snowmelt

Topography

Amount of rainfall

As urbanization increases around a stream, flooding will become more severe.

Group of answer choicesTrue

False

The lapse in time between a storm and peak flooding is called

Group of answer choicesLag time

Discharge

recurrence interval

Crest

The raised band along a stream channel is called a

Group of answer choicesCut bank

Point Bar

Delta

Levee

Levees can be both natural features along a stream, as well as man-made or enhanced.

Group of answer choicesTrue

False

Removal of natural vegetation can result in

Group of answer choicesincreased soil erosion

increased surface runoff

all of the above

increased flooding

The capacity of a stream is a measure of the

Group of answer choicesamount of load a stream can transport

amount of material a stream is transporting

gradient of the channel

sinuosity of the channel

What is the recurrence interval of a flood?

Group of answer choicesThe time between a single large flood and the next large flood

The distance between an upstream flood and a downstream flood

The time interval since the last major flood of that magnitude

How frequently a flood of a certain severity occurs on average

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