estuary

简明释义

英[ˈestʃuəri]美[ˈestʃueri]

n. 河口；江口

复 数 e s t u a r i e s

英英释义

单词用法

同义词

反义词

例句

1.Located in Quebec's Saguenay-St. Lawrence Marine Park, Pointe-Noire (pictured here) sits at the confluence of the Saguenay Fjord and St. Lawrence Estuary.

坐落在魁北克省的萨格奈-圣。劳伦斯海洋公园内的黑角(如图)它位于萨格奈峡湾和圣劳伦斯河口的交汇处。

2.The world's largest electricity generating tidal barrage may be built across Britain's Severn estuary by the end of the century.

在本世纪末世界上最大的发电拦潮大坝可能在横贯英国的塞文河口建立起来。

3.The Dee estuary: a small sea (in Irish sea) where the Dee River enters.

迪河河口：是迪河流入的一个小海。

4.The more mixing that occurs in the estuary, the greater is the landward flow in the subsurface layer.

在河口湾出现的混合越强烈，次表层向陆地方向的流量就越大。

5.An estuary of southwest France formed by the Garonne and Dordogne rivers and opening into the Bay of Biscay.

吉伦法国西南的一个港湾，由加龙河与多尔多涅河形成的，通往比斯开湾。

6.The river opens up suddenly into a broad estuary.

河面突然变宽，形成了一个宽阔的河湾。

7.The river flows into the estuary, where fresh and saltwater mix.

这条河流注入河口，淡水和盐水在这里混合。

8.Birdwatchers often visit the estuary to observe migratory birds.

鸟类观察者经常访问河口以观察迁徙的鸟类。

9.The estuary serves as a crucial habitat for many marine species.

这个河口是许多海洋物种的重要栖息地。

10.During high tide, the water level in the estuary rises significantly.

在高潮时，河口的水位显著上升。

11.Fishing is a popular activity in the local estuary due to its rich biodiversity.

由于其丰富的生物多样性，钓鱼在当地的河口是一项受欢迎的活动。

作文

An estuary is a unique and vital ecosystem where freshwater from rivers meets and mixes with saltwater from the ocean. This transition zone is not only crucial for various species of fish, birds, and other wildlife, but it also plays a significant role in the health of our planet. The importance of estuaries cannot be overstated, as they serve as nurseries for many marine species, provide habitat for migratory birds, and act as natural filters for pollutants. One of the most fascinating aspects of an estuary is its dynamic nature. The salinity levels fluctuate due to tidal movements, rainfall, and river flow, creating a diverse range of habitats. For instance, areas closer to the river may have lower salinity, while those nearer to the ocean will have higher salt concentrations. This variation allows different species to thrive in specific zones, making estuaries hotspots of biodiversity. Moreover, estuaries are essential for human activities as well. They provide recreational opportunities such as fishing, birdwatching, and kayaking. Many coastal communities rely on the resources provided by estuaries for their livelihoods, particularly in the fishing and tourism industries. Additionally, these ecosystems help protect coastlines from erosion and flooding, acting as buffers during storms and high tides. However, estuaries face numerous threats due to human activities. Urbanization, pollution, and climate change are putting immense pressure on these delicate ecosystems. Industrial runoff and agricultural pesticides can contaminate the waters, leading to loss of biodiversity and degradation of habitats. Furthermore, rising sea levels and increased storm intensity due to climate change threaten to alter the very structure of estuaries, potentially leading to their disappearance. Conservation efforts are crucial to protect estuaries and ensure their sustainability for future generations. This can include restoring degraded areas, implementing pollution control measures, and establishing protected marine areas. Education and community involvement are also essential in fostering a sense of stewardship towards these vital ecosystems. In conclusion, estuaries are not just beautiful landscapes; they are critical components of our environment that support a myriad of life forms and human activities. Understanding the significance of estuaries and taking action to protect them is imperative for maintaining the balance of our ecosystems and ensuring a healthy planet. By valuing and preserving these unique environments, we contribute to the well-being of both wildlife and ourselves, creating a sustainable future for all. 河口是一个独特而重要的生态系统，淡水来自河流与海洋的盐水相遇并混合。这个过渡区域不仅对各种鱼类、鸟类和其他野生动物至关重要，而且在维护我们星球的健康方面也发挥着重要作用。河口的重要性不容小觑，因为它们为许多海洋物种提供了育婴场，为候鸟提供栖息地，并作为污染物的天然过滤器。 河口最引人入胜的一个方面是其动态特性。由于潮汐运动、降雨和河流流量，盐度水平波动，创造出多样化的栖息地。例如，靠近河流的区域可能盐度较低，而靠近海洋的区域则盐度较高。这种变化使不同的物种能够在特定区域内繁荣，形成了河口的生物多样性热点。 此外，河口对人类活动也至关重要。它们提供了钓鱼、观鸟和皮划艇等休闲机会。许多沿海社区依赖河口提供的资源维持生计，特别是在渔业和旅游业方面。此外，这些生态系统还帮助保护海岸线，抵御侵蚀和洪水，在风暴和高潮期间充当缓冲区。 然而，河口面临着众多威胁，这些威胁源于人类活动。城市化、污染和气候变化对这些脆弱的生态系统造成了巨大的压力。工业径流和农业农药可能会污染水域，导致生物多样性丧失和栖息地退化。此外，由于气候变化导致的海平面上升和风暴强度增加，威胁到河口的结构，可能导致它们的消失。 保护工作对于保护河口及确保其可持续性至关重要。这可以包括恢复退化区域、实施污染控制措施和建立保护海洋区域。教育和社区参与在培养对这些重要生态系统的责任感方面也至关重要。 总之，河口不仅是美丽的景观；它们是我们环境中的关键组成部分，支持着无数生命形式和人类活动。理解河口的重要性并采取行动保护它们，对于维持生态平衡和确保地球健康至关重要。通过重视和保护这些独特的环境，我们为野生动物和我们自己创造了可持续的未来，为所有生命的健康做出贡献。