Problem 9 Explain how climate change and a... [FREE SOLUTION]

Chapter 10: Problem 9

Explain how climate change and atmospheric pollution can affect the hydrologic cycle.

Short Answer

Expert verified

Climate change and atmospheric pollution affects the hydrological cycle by changing the rates of evaporation and precipitation, altering precipitation patterns, accelerating snowmelt, and changing cloud properties. This can lead to a myriad of environmental issues like changes in aquatic ecosystems, flood or drought prone conditions.

Step by step solution

Introduction to hydrological cycle

The hydrological cycle, also known as the water cycle, is the process by which water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into clouds, and falls back to the surface as precipitation. The water that falls to earth as precipitation either evaporates, is taken up by plants, or flows into rivers and eventually into the oceans, from where it will once again evaporate.

Impact of climate change on the hydrological cycle

Climate change can influence the hydrological cycle in several ways. 1. Increased evaporation: As the planet's temperature rise, more evaporation occurs, particularly from the ocean. This leads to more water in the atmosphere and potentially heavier rainfall and flooding. 2. Altered precipitation patterns: Changes in temperature and humidity can modify the pattern of precipitation, some areas might become drier while others become more wet. 3. Rapid snowmelt: Warmer temperatures cause the snow to melt sooner and faster, which can lead to flooding and reduced summer stream flows.

Impact of atmospheric pollution on the hydrological cycle

Atmospheric pollution affects the hydrological cycle in various ways. 1. Acid rain: Pollutants like sulfur dioxide and nitrogen oxide can react with water in the atmosphere to form acids, which fall to the ground as acid rain. Acid rain can lower the pH of water bodies, harming aquatic life. 2. Smog and haze: Pollution particles in the atmosphere can create smog and haze, which can limit the amount of sunlight reaching the earth, affecting evaporation rates. 3. Alteration of cloud properties: Aerosols can alter the properties of clouds, affecting their ability to reflect or absorb light, influencing local temperatures, and altering precipitation patterns.

Conclusion

Therefore, climate change and atmospheric pollution significantly impact the hydrological cycle. The changes induced in the cycle can lead to a wide array of environmental issues, including changes in precipitation patterns, alterations in aquatic ecosystems, and flood or drought conditions.

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91影视

Explain how climate change and atmospheric pollution can affect the hydrologic cycle.

Short Answer

Step by step solution

Introduction to hydrological cycle

Impact of climate change on the hydrological cycle

Impact of atmospheric pollution on the hydrological cycle

Conclusion

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