mean low water

简明释义

平均低潮平均低潮面

英英释义

例句

1.When planning the construction of a dock, engineers must consider the mean low water level.

在规划码头建设时，工程师必须考虑平均低潮水位。

2.Boaters should be aware of the mean low water mark to ensure safe passage.

船员应注意平均低潮水位标记，以确保安全通行。

3.The navigational charts indicate the depth at mean low water to help sailors avoid running aground.

航海图标明了在平均低潮水位下的水深，以帮助水手避免搁浅。

4.Coastal erosion studies often use mean low water as a reference point for measuring shoreline changes.

沿海侵蚀研究通常将平均低潮水位作为测量海岸线变化的基准点。

5.The fishing regulations specify that certain species can only be caught above the mean low water line.

渔业法规规定某些物种只能在平均低潮水位线以上捕捞。

作文

Understanding the concept of water levels is crucial for various fields, including navigation, construction, and environmental science. One important term that often comes up in these discussions is mean low water. This term refers to the average level of the lowest tide recorded over a specific period, typically a 19-year cycle known as the National Tidal Datum Epoch. It serves as a reference point for many activities, such as determining the depth of water in harbors and ensuring safe passage for ships. In maritime contexts, mean low water is essential for charting and navigation. Sailors and navigators rely on this datum to understand the minimum water depth they can expect in a given area. If a vessel's draft exceeds the water depth at mean low water, it risks running aground, which can lead to costly damages and even loss of life. Therefore, having accurate knowledge of mean low water is vital for safe maritime operations.Moreover, mean low water plays a significant role in coastal engineering and construction projects. Engineers use this data to design structures such as docks, piers, and seawalls. By understanding where the mean low water line lies, they can ensure that these structures remain functional and safe throughout varying tidal conditions. For instance, if a pier is built too low, it may become submerged during high tides and unusable during low tides. Thus, incorporating mean low water into planning is not just a matter of precision but also of safety and practicality.Environmental scientists also consider mean low water when studying coastal ecosystems. Many species of marine life depend on specific tidal conditions for their survival and reproduction. By monitoring changes in mean low water, scientists can assess the health of these ecosystems and predict how they may respond to climate change, sea-level rise, and human activities. For example, if mean low water rises due to increased sea levels, it may affect the habitats of fish and other marine organisms, leading to shifts in biodiversity.In conclusion, mean low water is a fundamental concept that intersects with various disciplines. Whether in navigation, engineering, or environmental science, understanding this term is essential for ensuring safety, functionality, and ecological balance. As we continue to explore and develop our coastal areas, recognizing the significance of mean low water will help us make informed decisions that protect both human interests and the natural environment. The implications of ignoring this datum can be severe, making it imperative for all stakeholders to appreciate its importance in their respective fields.

理解水位概念对于航海、建筑和环境科学等多个领域至关重要。在这些讨论中，一个常常出现的重要术语是mean low water。这个术语指的是在特定时间段内记录的最低潮位的平均水平，通常是一个为期19年的周期，称为国家潮汐基准纪元。它作为许多活动的参考点，例如确定港口的水深以及确保船只安全通行。在海事背景下，mean low water对制图和导航至关重要。水手和导航员依赖这一数据来了解他们在特定区域可以预期的最低水深。如果船只的吃水深度超过了mean low water的水深，就有可能搁浅，这可能导致昂贵的损失甚至生命的丧失。因此，准确了解mean low water对安全的海事操作至关重要。此外，mean low water在海岸工程和建设项目中也发挥着重要作用。工程师利用这些数据来设计码头、栈桥和防波堤等结构。通过了解mean low water线的位置，他们可以确保这些结构在不同潮汐条件下保持功能和安全。例如，如果一个码头建得过低，它可能会在高潮期间被淹没，而在低潮期间无法使用。因此，将mean low water纳入规划不仅是精确的问题，也是安全和实用性的问题。环境科学家在研究沿海生态系统时也考虑到mean low water。许多海洋生物依赖特定的潮汐条件来生存和繁殖。通过监测mean low water的变化，科学家可以评估这些生态系统的健康状况，并预测它们如何应对气候变化、海平面上升和人类活动。例如，如果由于海平面上升而导致mean low water上升，它可能会影响鱼类和其他海洋生物的栖息地，导致生物多样性的变化。总之，mean low water是一个与多个学科交叉的基本概念。无论是在导航、工程还是环境科学中，理解这个术语对确保安全、功能和生态平衡都是必不可少的。随着我们继续探索和开发沿海地区，认识到mean low water的重要性将帮助我们做出明智的决策，保护人类利益和自然环境。忽视这一基准的后果可能是严重的，因此所有利益相关者必须重视其在各自领域中的重要性。