Fallout

Definition

Fallout is the deposition of radioactive particles from the atmosphere to the Earth's surface following a nuclear explosion or accident. It can significantly impact ecosystems and biogeochemical cycles by introducing harmful substances into various environmental compartments.

5 Must Know Facts For Your Next Test

1. Fallout can contaminate soil and water, affecting plant and animal life.
2. Radioactive particles in fallout can enter food chains, posing health risks to humans and wildlife.
3. Fallout contributes to the cycling of elements like cesium and strontium in ecosystems.
4. The spread of fallout depends on atmospheric conditions such as wind patterns.
5. Bioremediation strategies are sometimes used to mitigate fallout contamination in affected areas.

Review Questions

• How does fallout affect biogeochemical cycles?
• What factors influence the spread of fallout in the environment?
• Name two elements that are commonly introduced into ecosystems through fallout.

Related terms

Biogeochemical Cycles: The natural processes that recycle nutrients in various chemical forms between living organisms and their environment.

Radioisotopes: Unstable isotopes that release radiation as they decay, often found in nuclear fallout.

Bioremediation: The use of living organisms, such as plants or bacteria, to remove contaminants from the environment.