AP Environmental Science 5.B: Urban Runoff

Practice AP Environmental Science questions on stormwater runoff, impervious surfaces, infiltration, runoff calculations, and flood reduction.

[Maximum number: 2]

Respond to parts A, B, C, D, E, F, G, H, I, and J.

(a)

Propose a realistic solution a city could implement to decrease the risk of flooding in urban

areas.

[ 1 ]

(b)

Justify the solution proposed in part E by providing an additional advantage other than a

reduction in the risk of flooding.

[ 1 ]

F	Justify the solution proposed in part E by providing an additional advantage other than a reduction in the risk of flooding.
	Solution from part E	Justification of solution with additional advantages
	Use permeable pavement	Increased recharge of nearby aquifers/groundwater
	Plant vegetation/establish parks/create rain gardens/build green roofs	Vegetation absorbs pollutants; stores carbon dioxide/produces oxygen; decreases erosion; increases/restores habitat and biodiversity; reduces urban heat island effect; provides aesthetic enjoyment/improves quality of life; creates jobs.
	Install retention ponds/stormwater basins	Decreased pollution in runoff; increased habitat/biodiversity

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STB-1.B—Describe methods for mitigating problems related to urban runoff question 1