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

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

Model Answer:

Over the past few decades, the Earth's climate has been significantly altered due to various factors such as increasing greenhouse gas emissions and deforestation. One of the most noticeable effects of climate change is its impact on ocean circulation. In this essay, I will discuss how changes in ocean circulation have consequences for global weather patterns, sea levels, and marine ecosystems.

Firstly, changes in ocean circulation are having a profound effect on global weather patterns. Ocean currents play a crucial role in distributing heat around the planet. For instance, the Gulf Stream transports warm water from the Gulf of Mexico to the North Atlantic, which helps moderate temperatures in Europe. However, as ocean temperatures rise due to climate change, these currents may slow down or even reverse, leading to more extreme weather events such as droughts, heatwaves, and heavy rainfall in previously unaffected regions.

Secondly, changes in ocean circulation are contributing to rising sea levels worldwide. Melting polar ice caps and glaciers, along with the thermal expansion of seawater, result in a higher volume of water being added to the oceans. This increase in water volume disrupts natural ocean currents, causing coastal flooding and erosion. Additionally, low-lying island nations and regions are at significant risk of being submerged as sea levels continue to rise.

Lastly, climate change is affecting marine ecosystems by altering the distribution and abundance of various species. As ocean temperatures rise and acidity levels increase due to higher carbon dioxide concentrations, many marine organisms struggle to adapt to these new conditions. Consequently, this leads to shifts in migration patterns, disruptions to food chains, and potential extinction of some species. Moreover, changes in ocean circulation can also impact the availability of nutrients and oxygen, which are essential for the survival of marine life.

In conclusion, the consequences of climate change on ocean circulation are multifaceted and have significant implications for global weather patterns, sea levels, and marine ecosystems. It is crucial that international efforts continue to mitigate the effects of climate change in order to preserve our planet's delicate balance and protect vulnerable communities around the world.

Task 2 Writing Scoring:

- Task Response: 5 (The candidate has responded fully to all parts of the question, showing a clear understanding of the topic.)
- Coherence and Cohesion: 5 (The essay is well organized, with a clear introduction and conclusion, and the ideas are logically arranged with appropriate cohesive devices.)
- Lexical Resource: 4.5 (The candidate uses a range of vocabulary, although there may be some inaccuracies or less common lexical choices that slightly affect clarity.)
- Grammatical Range and Accuracy: 4.5 (There are few or no major errors which prevent understanding. There may be some minor grammatical or syntactic errors which do not significantly impact meaning or fluency.)
- Presentation of Writing: 5 (The essay is presented clearly, with neat handwriting or typing, appropriate use of capital letters, and spacing between words and sentences.)

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