Flashcard 6- Stormwater Runoff

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What is Nonpoint Source Pollution?

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Nonpoint Source Pollution refers to contaminants that come from multiple sources rather than a single, identifiable source. It often occurs when rainwater or snowmelt washes pollutants off surfaces like roads and fields into water bodies.

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What is stormwater runoff?

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Stormwater runoff is rainwater or meltwater that does not soak into the ground and instead flows over the Earth's surface, potentially carrying pollutants into nearby water bodies.

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What are impermeable surfaces?

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Impermeable surfaces are materials that do not allow water to pass through them, such as asphalt and concrete. They contribute to increased stormwater runoff.

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What are native plants?

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Native plants are species that naturally occur in a specific region and are adapted to the local climate and soil conditions. They are often used in rain gardens and bioswales for their ability to absorb water and support local ecosystems.

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What is sediment?

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Sediment refers to dirt, soil, and other particles that are washed into rivers and streams, often as a result of erosion. It can negatively impact water quality and aquatic habitats.

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What is point source pollution?

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Point Source Pollution is contamination that comes from a single, identifiable source, such as a factory discharge pipe or a sewage treatment plant.

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What is the role of rain gardens?

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Rain gardens are designed to capture and absorb stormwater runoff, allowing it to infiltrate the ground and reduce flooding and pollution in nearby water bodies.

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What are bioswales?

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Bioswales are landscape elements designed to manage water runoff and improve water quality by using vegetation and soil to filter pollutants from stormwater.

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How do deep-rooted plants benefit stormwater management?

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Deep-rooted plants help improve soil structure, increase water infiltration, and reduce runoff by allowing more water to be absorbed into the ground.

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What is the impact of urbanization on stormwater runoff?

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Urbanization increases the amount of impermeable surfaces, leading to higher volumes of stormwater runoff, which can cause flooding and water pollution.