low water datum

简明释义

低潮基准面

英英释义

例句

1.Surveyors often use the low water datum as a reference point for land elevation.

测量员通常使用低水准基准作为土地高度的参考点。

2.The construction of the dock was planned with respect to the low water datum to avoid flooding.

码头的建设是根据低水准基准进行规划的，以避免洪水。

3.The local authorities updated the maps to reflect changes in the low water datum due to erosion.

当地政府更新了地图，以反映由于侵蚀导致的低水准基准变化。

4.The navigation charts are based on the low water datum to ensure safe passage for vessels.

航行图表是基于低水准基准，以确保船只安全通行。

5.When measuring river depths, it is essential to refer to the low water datum for accurate readings.

在测量河流深度时，参考低水准基准以获得准确的读数是至关重要的。

作文

Understanding the concept of low water datum is essential for various fields, particularly in hydrology and civil engineering. The term refers to a reference point used to measure water levels in rivers, lakes, and other bodies of water. Specifically, low water datum indicates the lowest level of water that can be expected at a given location, providing a baseline for understanding fluctuations in water levels due to seasonal changes, weather events, or human activities.In practical applications, knowing the low water datum is crucial for designing infrastructure projects such as bridges, docks, and levees. Engineers use this information to ensure that structures are built high enough above the lowest expected water level to prevent flooding and damage. For example, if a bridge is constructed without considering the low water datum, it may become submerged during periods of heavy rainfall or snowmelt, leading to catastrophic consequences.Moreover, the low water datum serves as a critical reference for navigation. Ships and boats must know the depth of water in channels and harbors to avoid grounding. By referencing the low water datum, navigators can determine safe passage heights and depths, ensuring that vessels do not run aground in shallow areas.In addition to its practical implications, the low water datum also plays a significant role in environmental studies. Scientists monitor water levels over time to assess the health of aquatic ecosystems. Changes in the low water datum can indicate shifts in climate patterns, such as droughts or floods, which can have devastating impacts on local wildlife and plant life. For instance, if the low water datum rises significantly due to excessive rainfall or melting ice caps, it may lead to habitat loss for species that depend on specific water levels.Furthermore, the establishment of a consistent low water datum is vital for long-term planning and management of water resources. Water authorities utilize this datum to manage reservoirs and ensure that water supply meets demand throughout the year. By understanding the low water datum, they can make informed decisions about when to release water from storage facilities, balancing ecological needs with human consumption.In conclusion, the low water datum is more than just a technical term; it is a fundamental concept that impacts various aspects of our environment and infrastructure. From ensuring safe navigation to guiding engineering projects and monitoring ecological health, the importance of understanding and utilizing the low water datum cannot be overstated. As we continue to face challenges related to climate change and water management, a clear grasp of this concept will be vital for sustainable development and the protection of our natural resources.

理解低水位基准的概念对于多个领域，特别是水文学和土木工程至关重要。这个术语指的是用来测量河流、湖泊和其他水体水位的参考点。具体而言，低水位基准表示在特定位置可以预期的最低水位，为理解由于季节变化、天气事件或人类活动导致的水位波动提供了基线。在实际应用中，了解低水位基准对于设计基础设施项目（如桥梁、码头和堤坝）至关重要。工程师利用这些信息确保结构建造得足够高，以防止在最低预期水位以上发生洪水和损坏。例如，如果在建造桥梁时没有考虑低水位基准，那么在强降雨或融雪期间，桥梁可能会被淹没，导致灾难性后果。此外，低水位基准作为导航的关键参考。船只和小艇必须知道航道和港口的水深，以避免搁浅。通过参考低水位基准，导航员可以确定安全通行的高度和深度，确保船只在浅水区不致搁浅。除了其实际影响外，低水位基准在环境研究中也发挥着重要作用。科学家们监测水位变化，以评估水生生态系统的健康状况。低水位基准的变化可能表明气候模式的变化，例如干旱或洪水，这可能对当地野生动物和植物生命产生毁灭性影响。例如，如果由于过量降雨或冰川融化而使低水位基准显著上升，可能会导致依赖特定水位的物种栖息地丧失。此外，建立一致的低水位基准对水资源的长期规划和管理至关重要。水务部门利用这一基准来管理水库，确保全年水供需平衡。通过了解低水位基准，他们可以做出关于何时从储水设施释放水的明智决策，平衡生态需求与人类消费。总之，低水位基准不仅仅是一个技术术语；它是一个基本概念，影响着我们环境和基础设施的各个方面。从确保安全导航到指导工程项目以及监测生态健康，理解和利用低水位基准的重要性不容小觑。随着我们继续面临与气候变化和水资源管理相关的挑战，清晰掌握这一概念将对可持续发展和保护我们的自然资源至关重要。