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Assess the relative importance of climate and geology in the supply of water. - AQA - A-Level Geography - Question 5 - 2020 - Paper 2
Question 5
Assess the relative importance of climate and geology in the supply of water.
Worked Solution & Example Answer:Assess the relative importance of climate and geology in the supply of water. - AQA - A-Level Geography - Question 5 - 2020 - Paper 2
Step 1
Knowledge and understanding of the relationship between climate and water supply
Answer
Climate plays a crucial role in water supply. Higher temperatures can lead to increased evaporation rates, which in turn can diminish the amount of water available for consumption. Regions with high annual rainfall typically benefit from more abundant water supplies as opposed to arid regions where water is scarce. Factors such as seasonal rainfall patterns also influence the availability of water.
Step 2
The role of geology in water supply
Answer
Geology affects the quality and availability of water through the types of rocks and soil present in a region. For instance, permeable rocks like sandstone allow for easier water movement and storage compared to impermeable rocks like clay. Geological formations can also house aquifers that store significant amounts of water, thus influencing the supply.
Step 3
Comparison and evaluation of climate and geology
Answer
While both climate and geology are important, their relative importance can vary by region. In an area with ample rainfall, geology may play a larger role in determining water quality through filtration processes. Conversely, in a drought-prone area, the climate becomes a more significant factor impacting water availability. Understanding how these two factors interact is essential for effective water management.