semidiurnal current

简明释义

半日潮流

英英释义

例句

1.The research team studied the effects of the semidiurnal current 半日潮流 on local fish populations.

研究团队研究了半日潮流对当地鱼类种群的影响。

2.The semidiurnal current 半日潮流 can significantly affect the sediment transport in coastal areas.

半日潮流会显著影响沿海地区的沉积物运输。

3.Understanding the semidiurnal current 半日潮流 is crucial for marine navigation.

理解半日潮流对海洋导航至关重要。

4.Navigating through the harbor requires understanding the semidiurnal current 半日潮流 patterns.

在港口航行需要了解半日潮流的模式。

5.During the study, they measured the speed of the semidiurnal current 半日潮流 at various depths.

在研究期间，他们测量了不同深度下的半日潮流速度。

作文

In the study of oceanography, understanding the various types of currents is crucial for comprehending the dynamics of marine environments. Among these currents, the semidiurnal current plays a significant role in shaping coastal ecosystems and influencing navigation. A semidiurnal current refers to a tidal current that occurs twice each lunar day, meaning it has two high tides and two low tides within a 24-hour period. This phenomenon is primarily driven by the gravitational forces exerted by the moon and the sun, which create rhythmic patterns in water movement. The impact of semidiurnal currents can be observed in various coastal regions around the world. For instance, in areas where these currents are prevalent, fishermen often time their activities according to the tidal schedule. The rise and fall of water levels associated with semidiurnal currents can significantly affect fish behavior, making certain times of the day more favorable for catching specific species. Additionally, the nutrient distribution in these waters is influenced by the movement of currents, which can lead to rich feeding grounds during particular tidal phases.Moreover, semidiurnal currents also play a vital role in sediment transport along coastlines. As the tide rises and falls, it carries sediments from deeper waters onto the shore and back again. This natural process helps shape beaches and estuaries, contributing to the overall health of these ecosystems. However, human activities such as coastal development and dredging can disrupt these natural currents, leading to erosion and habitat loss.Understanding the patterns and effects of semidiurnal currents is not only important for ecological reasons but also for navigational safety. Ships and boats must consider tidal schedules to avoid running aground or encountering rough waters. Mariners often rely on tidal charts that indicate the timing and strength of semidiurnal currents, allowing them to plan their journeys accordingly. In conclusion, the semidiurnal current is a fundamental aspect of oceanic and coastal dynamics. Its influence extends beyond mere water movement, affecting marine life, sediment transport, and human activities alike. As we continue to study and understand these currents, it becomes increasingly clear that they are integral to maintaining the balance of our marine ecosystems and ensuring safe navigation for those who traverse our oceans. Through careful observation and research, we can better appreciate the complexities of semidiurnal currents and their importance in our world.

在海洋学研究中，理解各种类型的洋流对于理解海洋环境的动态至关重要。在这些洋流中，半日潮流在塑造沿海生态系统和影响航行方面发挥着重要作用。半日潮流指的是在每个农历日内发生两次的潮流，这意味着在24小时内有两个高潮和两个低潮。这一现象主要是由月球和太阳施加的引力所驱动，形成了水运动的节律模式。半日潮流的影响可以在世界各地的不同沿海地区观察到。例如，在这些潮流盛行的地区，渔民通常会根据潮汐时间安排他们的活动。与半日潮流相关的水位升降会显著影响鱼类行为，使得一天中的某些时段更适合捕捉特定物种。此外，这些水域中的营养物质分布也受到潮流运动的影响，这可能导致在特定潮汐阶段形成丰富的觅食场。此外，半日潮流在沿海沉积物运输中也发挥着重要作用。随着潮水的涨落，它将沉积物从深水带到岸边，然后再带回去。这一自然过程帮助塑造沙滩和河口，有助于这些生态系统的整体健康。然而，人类活动如沿海开发和疏浚可能会扰乱这些自然潮流，导致侵蚀和栖息地丧失。理解半日潮流的模式和影响不仅对生态原因重要，而且对导航安全也至关重要。船只和小艇必须考虑潮汐时间表，以避免搁浅或遭遇恶劣水域。海员们通常依赖潮汐图，指示半日潮流的时间和强度，从而使他们能够相应地规划航程。总之，半日潮流是海洋和沿海动态的基本方面。它的影响超越了简单的水运动，影响着海洋生物、沉积物运输以及人类活动。随着我们继续研究和理解这些潮流，越来越清楚的是，它们对于维持我们的海洋生态系统的平衡以及确保那些横渡海洋的人安全航行至关重要。通过仔细观察和研究，我们可以更好地欣赏半日潮流的复杂性及其在我们世界中的重要性。