Question Bank by Edumentors
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How does the combustion of fossil fuels impact both the carbon and water cycles?
Combustion of fossil fuels releases large amounts of carbon dioxide into the atmosphere, directly affecting the carbon cycle by increasing the atmospheric carbon store. This contributes to global warming, which in turn can alter evaporation and precipitation patterns in the water cycle. Some combustion processes also
What is the role of a river catchment's 'lag time' in the context of flood hydrographs?
Lag time' is the period between peak rainfall and peak discharge in a river and is a key component in the analysis of flood hydrographs. Understanding lag time can help predict the likelihood and severity of floods. Factors like land use, soil type, and gradient can all influence lag time, and thus, the river catchmen
How do anthropogenic factors affect the concept of 'dynamic equilibrium' in water and carbon cycles?
Human activities like deforestation, fossil fuel burning, and industrial processes can disrupt the dynamic equilibrium in both cycles. For example, excess carbon emissions accelerate global warming, which in turn affects precipitation patterns and alters the water cycle. These disruptions can lead to long-lasting imba
How does ocean acidification relate to the carbon cycle?
Ocean acidification occurs when excess atmospheric carbon dioxide dissolves in ocean water, forming carbonic acid. This alters the ocean's pH and affects marine life. This process is intrinsically related to the carbon cycle, as oceans act as carbon sinks. The increasing amount of CO2 absorbed not only intensifies aci
How do positive and negative feedback mechanisms operate in the water cycle?
Positive feedback mechanisms amplify initial changes, making a system more unstable. For instance, higher temperatures cause increased evaporation rates, which can lead to cloud formation and potentially more precipitation. Negative feedback mechanisms counteract initial changes to restore balance. An example would be
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