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To what extent can an understanding of feedback systems help with the management of one or more cold environments that you have studied? [20 marks] - AQA - A-Level Geography - Question 4 - 2021 - Paper 1
Question 4
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To what extent can an understanding of feedback systems help with the management of one or more cold environments that you have studied? [20 marks]
Worked Solution & Example Answer:To what extent can an understanding of feedback systems help with the management of one or more cold environments that you have studied? [20 marks] - AQA - A-Level Geography - Question 4 - 2021 - Paper 1
Step 1
Knowledge and understanding of feedback systems
Answer
Feedback systems in physical geography refer to the interactions between various components of a system, influencing each other through inputs and outputs. Understanding these systems can be crucial for managing cold environments. For example, the concept of positive feedback is illustrated in polar regions where the melting of ice due to global warming exposes dark ocean surfaces, which absorb more heat and further accelerate ice melt.
Step 2
Application to cold environments
Answer
When applying feedback systems to the management of cold environments, one can consider areas like the Arctic. The release of methane from permafrost as temperatures rise exemplifies a negative feedback loop, where rising temperatures further exacerbate climate change. Understanding these relationships enables better planning and intervention strategies.
Step 3
Anticipating human impacts and management strategies
Answer
A thorough understanding of feedback mechanisms allows for anticipating the impacts of human actions on fragile cold environments. For instance, initiatives spearheaded by international agreements aim to mitigate the impacts of climate change in vulnerable areas, showing how feedback systems can inform effective management strategies to promote resilience.
Step 4
Evaluation of management approaches
Answer
Management approaches that integrate feedback systems have shown positive outcomes. For instance, localized studies in regions such as Siberia demonstrate that protecting certain landscapes from development can lead to reduced greenhouse gas emissions and enhance local biodiversity. This evaluation demonstrates that understanding feedback dynamics is essential for sustainable management.