check dam

简明释义

拦沙坝

英英释义

例句

1.The government funded the creation of several check dams to improve local water management.

政府资助建设了几个检查坝以改善当地水资源管理。

2.The construction team installed a check dam to prevent soil erosion during the rainy season.

施工队安装了一个检查坝以防止雨季土壤侵蚀。

3.Environmentalists recommend using check dams for soil conservation.

环保人士建议使用检查坝进行土壤保护。

4.After heavy rains, the check dam held back the floodwaters effectively.

大雨过后，检查坝有效地阻挡了洪水。

5.Farmers often build check dams to retain water in dry areas.

农民们常常建造检查坝以在干旱地区蓄水。

作文

In recent years, the importance of water conservation has become increasingly evident. One effective method for managing and conserving water in hilly and mountainous regions is the construction of a check dam. A check dam is a small barrier built across a stream or river to slow down the flow of water. This technique not only helps in controlling soil erosion but also facilitates groundwater recharge. The significance of check dams cannot be overstated, especially in areas prone to drought or where water resources are limited. The primary purpose of a check dam is to reduce the speed of flowing water, allowing sediments to settle and preventing them from being washed away. When water flows rapidly, it can carry away soil and nutrients essential for agriculture. By constructing a check dam, farmers can retain more soil on their land, which ultimately leads to better crop yields. Additionally, these structures create small ponds that can store water for irrigation during dry spells, making them invaluable for farmers in arid regions.Moreover, check dams play a crucial role in enhancing the ecosystem. They create microhabitats for various species of plants and animals. The stagnant water behind a check dam can support aquatic life, and the surrounding vegetation often flourishes due to the increased moisture levels. This biodiversity is vital for maintaining ecological balance and promoting sustainable practices in agriculture and forestry.Another benefit of check dams is their ability to mitigate the impact of floods. In heavy rainfall events, rivers can overflow, leading to severe flooding in downstream areas. By slowing down the flow of water, check dams can help prevent such disasters and protect communities situated near rivers. These structures act as a buffer, absorbing excess water and gradually releasing it, thus reducing the risk of flash floods.Despite their many advantages, the construction of check dams requires careful planning and consideration of local conditions. Factors such as soil type, slope, and rainfall patterns must be taken into account to ensure that these structures are effective. Community involvement is also crucial, as local knowledge can provide insights into the best locations and designs for check dams.In conclusion, check dams are a simple yet effective solution for water management, soil conservation, and flood mitigation. Their ability to enhance agricultural productivity while supporting local ecosystems makes them an essential tool in sustainable development. As we face increasing challenges related to water scarcity and climate change, the implementation of check dams should be prioritized to ensure a resilient and sustainable future for our communities. By investing in such infrastructure, we can create a positive impact on both the environment and the economy, paving the way for a more sustainable world.

近年来，水资源保护的重要性日益显现。在丘陵和山区，建设拦水坝是一种有效的水管理和节水方法。拦水坝是建造在溪流或河流上的小型障碍物，用于减缓水流的速度。这种技术不仅有助于控制土壤侵蚀，还促进了地下水的补给。拦水坝的重要性不容小觑，尤其是在干旱或水资源有限的地区。拦水坝的主要目的是降低水流速度，使沉积物沉降，防止其被冲走。当水流迅速时，它可以带走土壤和对农业至关重要的养分。通过建设拦水坝，农民可以在土地上保留更多的土壤，从而最终提高作物产量。此外，这些结构还可以创造小水塘，在干旱时期为灌溉储存水源，使它们对干旱地区的农民来说尤为宝贵。此外，拦水坝在增强生态系统方面也发挥着重要作用。它们为各种植物和动物物种创造了微生境。拦水坝后面的静水可以支持水生生物，周围的植被往往因水分增加而繁茂。这种生物多样性对维持生态平衡和促进农业及林业的可持续实践至关重要。拦水坝的另一个好处是它们能够减轻洪水的影响。在强降雨事件中，河流可能会溢出，导致下游地区发生严重洪灾。通过减缓水流的速度，拦水坝可以帮助防止此类灾难，保护位于河流附近的社区。这些结构作为缓冲区，吸收多余的水并逐渐释放，从而降低了突发洪水的风险。尽管有许多优势，建设拦水坝需要仔细规划和考虑当地条件。土壤类型、坡度和降雨模式等因素必须纳入考虑，以确保这些结构的有效性。社区的参与也至关重要，因为地方知识可以为拦水坝的最佳位置和设计提供见解。总之，拦水坝是水管理、土壤保护和洪水缓解的简单而有效的解决方案。它们提高农业生产力，同时支持当地生态系统，使其成为可持续发展的重要工具。随着我们面临与水资源短缺和气候变化相关的日益严峻的挑战，应优先实施拦水坝以确保我们社区的韧性和可持续未来。通过投资这样的基础设施，我们可以对环境和经济产生积极影响，为建立一个更可持续的世界铺平道路。