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All Flashcards
Cause: Increased water temperature. Effect?
Decreased oxygen solubility, stressing aquatic life and promoting algal blooms.
Cause: Power plant discharge. Effect?
Thermal pollution, reduced oxygen levels, potential fish kills, ecosystem imbalance.
Cause: Urbanization. Effect?
Heat island effect, increased water runoff temperature, thermal pollution.
Cause: Agricultural irrigation. Effect?
Increased water temperatures in nearby waterways, harming aquatic life.
Cause: Recreational watercraft use. Effect?
Localized increases in water temperature, affecting aquatic organisms.
Relationship between water temperature and dissolved oxygen.
As water temperature increases, dissolved oxygen levels decrease. Inverse relationship.
Impact of thermal pollution on aquatic life.
Stresses aquatic life, reduces oxygen, disrupts reproduction, increases disease susceptibility.
How do power plants contribute to thermal pollution?
Use water for cooling and release it back at a higher temperature, decreasing oxygen solubility.
Role of urbanization in thermal pollution.
Paved surfaces absorb and retain heat, raising the temperature of air and water runoff.
How does agriculture cause thermal pollution?
Irrigation systems pump water and return it at a higher temperature, harming aquatic life.
Impact of recreational activities on thermal pollution.
Watercraft exhaust raises water temperatures, especially in small areas, affecting aquatic life.
How cooling towers reduce water temperature.
Cooling towers use evaporative cooling to reject waste heat to the atmosphere.
How cooling towers still contribute to thermal pollution.
They can release warm water as a byproduct of their cooling systems, contributing to thermal pollution.
Relationship between water temperature and dissolved oxygen?
As water temperature increases, dissolved oxygen decreases.
Why is reduced oxygen solubility harmful?
Stresses aquatic life, leads to fish kills, and promotes harmful algal blooms.
How do power plants cause thermal pollution?
Use water for cooling and release it back at a higher temperature.
How do cooling towers work?
Use evaporative cooling to reject waste heat to the atmosphere.
How does urbanization contribute to thermal pollution?
Paved surfaces absorb and retain heat, raising air and water temperatures.
How does agriculture contribute to thermal pollution?
Irrigation systems return water to sources at higher temperatures.
How do recreational activities contribute to thermal pollution?
Personal watercraft release warm exhaust into the water.