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Environmental Systems > Ch 11 Key Terms > Flashcards

Ch 11 Key Terms Flashcards

1
Q

Surface Water

A

All the bodies of fresh water, salt water, ice, and snow that are found above the ground

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2
Q

River system

A

A flowing network of rivers and streams draining a river basin

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3
Q

Watershed

A

The area of land that is drained by a water system

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4
Q

Groundwater

A

The water that is beneath the earths surface

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5
Q

Aquifer

A

A body of rock or sediment that stores groundwater and allows the flow of groundwater

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6
Q

Porosity

A

The percentage of the total volume of a rock or sediment that consists of open spaces

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7
Q

Permeability

A

The ability of a rock or sediment to let fluids pass through its open spaces or pores

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8
Q

Recharge zone

A

An area in which water travels downward to become part of an aquifer

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9
Q

Potable

A

suitable for drinking

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10
Q

Pathogen

A

A microorganism or virus that causes disease

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11
Q

Dam

A

a structure that is built across a river to control a rivers flow

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12
Q

Reservoir

A

An artificial body of water that usually forms behind a dam

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13
Q

Desalination

A

A process of removing salt from ocean water

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14
Q

Water Pollution

A

Contamination of water by waste matter

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15
Q

Print-Source pollution

A

Pollution that comes from a specific site

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16
Q

Non point - source pollution

A

Pollution that comes from many sources rather than from a single site

17
Q

Waste water

A

Water that contains wastes from homes or industry

18
Q

Artificial eutrophication

A

A process that increases the amount of nutrients in a body of water through human activities, such as waste disposal and land drainage

19
Q

Thermal pollution

A

A temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality and on the ability of that body of water to support life

20
Q

Biomagnification

A

The accumulation of pollutants at successive levels of the food chain

Environmental Systems (12 decks)

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