Surface Water Flashcards

1
Q

Sea level drops when water is stored in ________________

A

expanding ice sheets and continental glaciers.

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2
Q

The ________ describes the movement of water through Earth’s hydrosphere.

A

hydrologic cycle

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3
Q

________ are components of the hydrologic cycle that release water vapor directly to the atmosphere.

A

Evaporation and transpiration

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4
Q

________ is not part of the hydrologic cycle.

A

Calcium carbonate dissolving in soil water and groundwater

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5
Q

How does urbanization (paving, etc.) affect runoff and infiltration in a small, previously forested, drainage basin?

A

infiltration decreases; runoff increases

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6
Q

________ describes the total sediment load transported by a stream.

A

Capacity

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7
Q

Which of the following must result in a lower base level for rivers and streams?

A

Sea level falls; land rises.

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8
Q

________ is an abandoned, cutoff, meander loop

A

An oxbow

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9
Q

What is the release of water vapor to the atmosphere by plants?

A

Evapotranspiration

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10
Q

Which component of the hydrologic cycle describes the recharge of water to the soil and groundwater systems?

A

infiltration

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11
Q

True or False? Stream discharge is defined as the quantity of water flowing past a specific channel location per unit time.

A

True

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12
Q

True or False? For the same discharge, gradient, and channel cross-section, a stream with a boulder-strewn bed would be more turbulent than one with a sandy bed

A

True

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13
Q

True or False? Alluvium refers to stream deposits, mainly sand and gravel.

A

True

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14
Q

True or False? The lowest base level for most streams is lake level.

A

False

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15
Q

True or False? A stream flowing out from a lake cannot downcut below the water surface elevation of the lake.

A

False

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16
Q

True or False? Foreset beds are part of a deltaic, depositional sequence.

A

True

17
Q

What stream characteristic is measured by the size of the largest particle that a stream can move?

A

Competence

18
Q

What term does refer to sediments deposited from streams?

A

Alluvial

19
Q

True or False? The lowest elevation limiting stream erosion is called base level.

A

True

20
Q

True or False? Gradient is defined as the drop in elevation of the stream surface divided by the distance the water flows.

A

True

21
Q

Match each stream drainage pattern below with an appropriate name for it.

A

Radial Rectangular Dendritic Trellis

22
Q

What is the name of the following sedimentary depostion?

A

Delta

23
Q

Water running in a nearly straight path is called

A

Laminar flow

24
Q

Water moving quickly in an erratic fashion is called

A

Turbulent flow

25
Q

The volume of water flowing past a certain point in a given unit of time

A

Discharge

26
Q

The maximum load of solid particles a stream can carry

A

Capacity

27
Q

The maximum particle size a stream can transport

A

Competence

28
Q
A