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IELTS Free Online Writing Practice - Discuss the impact of climate change on ocean circulation.

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IELTS Writing Task 2 Topic:"Discuss the impact of climate change on ocean circulation."

Model Answer:

Climate change has had a significant effect on ocean circulation, which in turn has led to numerous environmental and socio-economic consequences. The increased global temperatures caused by human activities have resulted in the melting of polar ice caps, leading to rising sea levels. This has disrupted the natural balance of ocean currents, particularly the thermohaline circulation system. Moreover, the increasing concentration of greenhouse gases in the atmosphere has caused the ocean's heat capacity to increase, resulting in a more rapid absorption of carbon dioxide and other harmful pollutants.

The altered ocean circulation patterns have had numerous adverse effects on marine ecosystems. For instance, the warming of ocean waters has led to the displacement of various species, disrupting food chains and causing an imbalance in the marine habitat. Additionally, the changes in ocean currents have disrupted nutrient distribution and upwellings, affecting primary productivity and consequently the entire food chain. The melting of polar ice caps has also caused a reduction in the extent of sea ice habitats, directly impacting species such as polar bears and walruses that rely on these environments for survival.

The economic impacts of climate change-induced changes to ocean circulation are manifold. The disruption of the thermohaline circulation system can lead to fluctuations in global weather patterns, causing floods and droughts in different regions. This, in turn, can affect agricultural production and lead to food shortages, which have the potential to trigger social unrest and conflicts over scarce resources. Furthermore, the rise in sea levels caused by melting ice caps can result in the loss of coastal land, affecting communities that are heavily reliant on these areas for their livelihoods and infrastructure.

In conclusion, climate change has had a profound impact on ocean circulation, with far-reaching environmental and socio-economic consequences. The disruption of marine ecosystems and the subsequent economic repercussions underscore the urgency of addressing climate change and implementing effective strategies to mitigate its impacts.

Score:
- Task Response: 9.0
- Coherence and Cohesion: 8.5
- Lexical Resource: 8.5
- Grammatical Range & Accuracy: 9.0
- Overall: 8.5

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