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Environmental Science > Ch 16 Water Pollution > Flashcards

Ch 16 Water Pollution Flashcards

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0
Q

Water from precipitation that flows over surface of land

A

Stormwater runoff

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1
Q

Addition of anything that might degrade quality of water

A

Water pollution

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2
Q

Eutrophication

A

Excess nutrients in aquatic ecosystem feed biological productivity, lowering oxygen content in the water

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3
Q

Amount of oxygen in the water

A

Dissolved oxygen (DO)

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4
Q

Level of oxygen in water inadequate to support life

A

Hypoxia

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5
Q

Biological oxygen demand (BOD)

A

Amount of oxygen used by microbes living in body of water

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6
Q

Eroded soil washed into water thru runoff

A

Sediment pollution

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7
Q

Body of water where freshwater rivers meet the sea

A

Estuary

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8
Q

Pollution from discharge pipes, smoke stacks: wastewater treatment plants or industrial sites

A

Point source pollution

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9
Q

Runoff from overland flow, can come from any area

A

Nonpoint source pollution

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10
Q

Land surrounding body of water over which Water (rain) could flow & enter body of water

A

Watershed

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11
Q

Underground, permeable region of soil or rock, saturated with water

A

Aquifer

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12
Q

Algal blooms snuff out all underwater life creating

A

Dead zones

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13
Q

Cloudiness of water

A

Turbidity

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14
Q

Sampling area for what lives there to determine health of area

A

Biological assessment

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15
Q

Easy to see arthropods (insects) that live on stream bottom

A

Benthic macroinvertebrates

16
Q

main US law that regulates water pollution

A

Clean Water Act

17
Q

Allowable levels of pollutant that can be released over specific time period, set by EPA

A

Pollution standards

18
Q

Best management practices

A

Agreed upon or EPA regulated actions that minimize pollution problems caused by industrial or land use impacts

19
Q

Land area adjacent to water affected by water presence (water tolerant plants) and that affects the water (trees provide shade)

A

Riparian areas

Environmental Science (14 decks)

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