水循环雅思9分作文

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9分雅思范文之流程图：水循环

The diagram below shows the water cycle， which is the continuous movement of water on， above and below the surface of the Earth.

范文1

The picture illustrates the way in which water passes from ocean to air to land during the natural process known as the water cycle.

Three main stages are shown on the diagram. Ocean water evaporates， falls as rain， and eventually runs back into the oceans again.

Beginning at the evaporation stage， we can see that 80% of water vapour in the air comes from the oceans. Heat from the sun causes water to evaporate， and water vapour condenses to form clouds. At the second stage， labelled ‘precipitation’ on the diagram， water falls as rain or snow.

At the third stage in the cycle， rainwater may take various paths. Some of it may fall into lakes or return to the oceans via ‘surface runoff’. Otherwise， rainwater may filter through the ground， reaching the impervious layer of the earth. Salt water intrusion is shown to take place just before groundwater passes into the oceans to complete the cycle.

范文 2

The water cycle, a fundamental natural process on Earth, is an integral part of the planets ecosystem. This continuous and perpetual cycle involves the movement of water from the Earths surface to the atmosphere and back again.

In the evaporation stage, under the heat of the sun, water from oceans, lakes, rivers, and even soil changes into water vapor, which rises into the atmosphere. This phase constitutes a significant part of the water cycle.

Next comes condensation. As the water vapor ascends, it cools down and transforms back into liquid droplets forming clouds. This process releases the stored latent heat, driving weather patterns and precipitation.

When the conditions are ripe, the condensed water falls back to the earth in the form of rain, snow, sleet, or hail - a process known as precipitation. This replenishes our freshwater sources, including groundwater when it seeps into the ground.

Finally, infiltration and runoff contribute to the flow of water back to the oceans or other bodies of water, restarting the cycle. A portion of the water also sustains plant life through transpiration, where plants absorb water from the soil and release it back into the air.

This harmonious water cycle not only ensures the availability of freshwater but also plays a critical role in maintaining the ecological balance and supporting all life on Earth. It is indeed a testament to natures wisdom and resilience.

In conclusion, understanding and conserving the water cycle is of paramount importance for the health of our planet and its inhabitants. Each one of us has a role to play in preserving this precious resource by adopting sustainable practices that minimize human impact on the delicate balance of the water cycle.

范文3

The water cycle, a vital natural process, illustrates the continuous movement of water from various sources to the atmosphere and back to the earth. It begins with evaporation, where water turns into vapor and rises into the air. This vapor condenses into clouds and eventually precipitates as rain, snow, or hail.

This precipitation replenishes surface water bodies like lakes, rivers, and oceans. Some of this water percolates through the soil, recharging groundwater resources. Plants absorb this water through their roots, releasing oxygen in the process. Animals and humans also consume this water, releasing carbon dioxide.

The water cycle ensures the recycling of water, maintaining a balance between supply and demand. It is crucial for agricultural irrigation, hydroelectric power generation, and the sustenance of all life forms. Understanding and respecting this cycle is pivotal in preserving our planets precious water resources.

范文4

The water cycle is a vital natural process that ensures the continuous flow of water from various sources to the atmosphere and back to the Earths surface. It involves evaporation, condensation, precipitation, infiltration, and runoff, all working together to maintain the balance of water on our planet.

High emotional intelligence is essential in understanding and appreciating the beauty of the water cycle. We must be mindful of our actions and how they impact this delicate system. For instance, excessive water usage can disrupt the balance, leading to droughts and other environmental issues.

Therefore, its crucial to conserve water and ensure its sustainable use. We can achieve this by adopting water-saving practices, such as fixing leaky faucets, harvesting rainwater, and using water-efficient appliances. By doing our part, we can contribute to the health and well-being of the water cycle and, in turn, our planet.

In conclusion, the water cycle is a remarkable testament to natures wisdom. By exercising high emotional intelligence, we can appreciate its wonders and ensure its smooth operation for future generations.

范文5

The water cycle is a vital process that ensures the continuous flow of water on Earth. It begins with evaporation, where water from lakes, rivers, and oceans turns into water vapor and rises into the air. As the vapor cools, it condenses into clouds. When these clouds become heavy enough, they release their water as rain or snow, replenishing the Earths surface.

The water then flows back into rivers, lakes, and oceans, completing the cycle. However, this is not the end of the story. Plants absorb water from the soil, use it for photosynthesis, and release oxygen into the air. Animals and humans also consume water, either directly or indirectly through food.

The water cycle is crucial for life on Earth. It ensures that water is recycled and reused, preventing the depletion of freshwater resources. Furthermore, it maintains the balance of water in the atmosphere, regulating climate and weather patterns.

In conclusion, the water cycle is a remarkable testament to natures design. It ensures the survival of all living beings by continuously circulating and recycling water. We must cherish and protect this vital cycle to ensure a sustainable future for ourselves and our planet.

范文6

Water, the essence of life, gracefully dances through our world in a never-ending cycle. From the vast oceans to the highest peaks, it flows, transforms, and sustains us all. This, or journey, begins with evaporation. As the sun warms the surface of lakes and rivers, water molecules rise, forming clouds. Then, as winds carry these clouds, the water droplets coalesce, growing heavier until they fall as rain or snow. This precipitation nourishes the soil, feeds the plants, and fills our rivers and lakes again.

This cycle is not just a natural phenomenon; its a testament to the resilience and adaptability of nature. Just as we adapt to changes in our daily lives, water adapts to the constantly shifting conditions of the planet, always finding a way to flow, to give life.

As humans, we can learn much from the water cycle. We can emulate its adaptability, always finding new ways to meet the demands of our environment. By treating water as a precious resource and doing our part to conserve it, we can ensure that this vital cycle continues to support life on our planet. Let us cherish and respect the water cycle, learning to harmoniously coexist with it in our daily lives.

范文7

In the vast expanse of our planet, an invisible dance is constantly performed by the most essential element - water. This dance, known as the water cycle, is a remarkable display of natures elegance and efficiency.

It begins with the suns warm embrace, melting snowcaps and releasing water vapor into the air. These tiny molecules rise, carried by the winds, until they form clouds. As the clouds grow heavier, they release their burden in the form of rain, replenishing the earth and feeding its creatures.

The fallen rainwater then flows into streams and rivers, eventually reaching the oceans. There, it joins the vast body of water, from whence it will evaporate again, repeating the cycle.

This cycle is not just a random process; it is a vital link in the chain of life. It ensures that water, this precious resource, is recycled and reused, maintaining the balance of our ecosystem.

The water cycle is a testament to natures brilliance. It teaches us that every drop of water has a purpose and a journey, one that contributes to the larger scheme of life. As we stand in awe of this循环miracle, let us remember to cherish and conserve this vital resource, ensuring its perpetual dance for generations to come.

范文8

The water cycle is an essential natural process that ensures the continuous movement and reuse of water on Earth. It begins with evaporation, where water from lakes, rivers, and the ocean turns into water vapor and rises into the atmosphere. As this vapor cools, it condenses into clouds. When these clouds become heavy enough, they release water as rain or snow, replenishing surface water sources.

The water then flows back into rivers, lakes, and the ocean, completing the cycle. This cycle is crucial for life as it ensures the availability of freshwater for plants, animals, and humans. Plants absorb water from the soil for photosynthesis, while animals and humans consume it for survival.

The water cycle maintains a balance in the atmosphere, regulating climate and weather patterns. It also prevents the depletion of freshwater resources, ensuring their sustainability. Understanding and protecting this cycle is essential for ensuring a sustainable future for all living beings.

范文9

The water cycle, a vital natural process, ensures the continuous circulation of water on Earth. It begins with evaporation, where water from lakes, rivers, and the ocean turns into water vapor and rises to the atmosphere. As the vapor cools, it condenses into clouds. When these clouds become heavy, they release water as rain or snow, replenishing surface water sources.

The water then flows back into rivers, lakes, and oceans, completing the cycle. This cycle is crucial for life, maintaining a balance in the atmosphere, regulating climate, and ensuring the availability of freshwater for plants, animals, and humans.

Without the water cycle, life on Earth would be impossible. It is a testament to natures genius, constantly recycling and renewing water resources, ensuring their sustainability. Understanding and protecting this cycle is our responsibility towards ensuring a sustainable future for ourselves and future generations.

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