cloud cover

简明释义

云量

英英释义

例句

1.Astronomers prefer nights with low cloud cover for stargazing.

天文学家更喜欢云层覆盖较少的夜晚进行观星。

2.The cloud cover made it difficult to see the solar eclipse.

由于云层覆盖，很难看到日食。

3.The cloud cover can significantly affect the temperature during the day.

白天的云层覆盖会显著影响气温。

4.Hikers should check the cloud cover before heading out to avoid getting caught in the rain.

徒步旅行者在出发前应该检查一下云层覆盖，以避免被雨淋到。

5.The weather forecast indicates a high level of cloud cover this afternoon.

天气预报显示今天下午有很高的云层覆盖。

作文

Cloud cover is a term used in meteorology to describe the fraction of the sky covered by clouds at a given time. It plays a crucial role in weather forecasting and understanding climate patterns. When we talk about cloud cover, we are referring to the amount of the sky that is obscured by clouds, which can significantly affect temperature, precipitation, and overall weather conditions. For instance, a day with high cloud cover may lead to cooler temperatures because clouds block sunlight from reaching the Earth's surface. Conversely, a clear day with little to no cloud cover often results in warmer temperatures as the sun's rays directly warm the ground.The effects of cloud cover extend beyond just temperature. It also influences the amount of solar radiation that reaches the Earth, which is vital for photosynthesis in plants. In regions where cloud cover is persistent, such as tropical rainforests, the ecosystem has adapted to lower levels of sunlight. On the other hand, areas with frequent clear skies experience different ecological dynamics due to higher sunlight availability.In addition, cloud cover can impact human activities. For example, solar energy production relies heavily on sunlight, so days with high cloud cover can reduce the efficiency of solar panels. Similarly, pilots must consider cloud cover when planning flights, as thick clouds can obstruct visibility and pose challenges during takeoff and landing. Meteorologists use various tools to measure cloud cover, including satellite imagery and ground-based observations. Satellite images provide a broad view of cloud patterns across large areas, while ground observations offer detailed data about local conditions. This information is essential for accurate weather predictions and helps us prepare for changing weather patterns.Understanding cloud cover is also vital in the context of climate change. As global temperatures rise, the behavior of clouds may shift, leading to changes in cloud cover patterns. Some studies suggest that increased greenhouse gases could lead to more extensive cloud cover, which might have a cooling effect on the planet by reflecting sunlight back into space. However, the relationship between cloud cover and climate is complex and still under investigation.In summary, cloud cover is not just a simple meteorological term; it is a critical factor that affects our environment, weather, and daily lives. By studying cloud cover, we gain insights into how weather patterns develop, how ecosystems function, and how we can adapt to changes in our climate. Whether we are farmers, pilots, or simply individuals planning our daily activities, understanding cloud cover can help us make informed decisions and better appreciate the world around us.

云层覆盖是气象学中用于描述特定时间内天空被云层覆盖的比例的术语。它在天气预报和理解气候模式中发挥着至关重要的作用。当我们谈论云层覆盖时，我们指的是被云层遮挡的天空的数量，这可以显著影响温度、降水和整体天气条件。例如，具有高云层覆盖的一天可能导致较低的温度，因为云层阻挡了阳光照射到地球表面。相反，晴朗的一天几乎没有云层覆盖通常会导致较高的温度，因为阳光直接加热地面。云层覆盖的影响不仅限于温度。它还影响到到达地球的太阳辐射量，这对植物的光合作用至关重要。在云层覆盖持久的地区，比如热带雨林，生态系统已经适应了较低的阳光水平。另一方面，频繁晴朗的地区由于更高的阳光可用性而经历不同的生态动态。此外，云层覆盖还会影响人类活动。例如，太阳能生产在很大程度上依赖于阳光，因此高云层覆盖的日子可能会降低太阳能电池板的效率。同样，飞行员在规划航班时必须考虑云层覆盖，因为浓厚的云层可能会遮挡视线，并在起飞和着陆时带来挑战。气象学家使用各种工具来测量云层覆盖，包括卫星图像和地面观测。卫星图像提供了大面积云层模式的广泛视图，而地面观测则提供了有关当地条件的详细数据。这些信息对于准确的天气预测至关重要，并帮助我们为变化的天气模式做好准备。理解云层覆盖在气候变化的背景下也至关重要。随着全球气温上升，云层的行为可能会发生变化，从而导致云层覆盖模式的变化。一些研究表明，温室气体的增加可能导致更广泛的云层覆盖，这可能通过将阳光反射回太空而对地球产生冷却效果。然而，云层覆盖与气候之间的关系复杂，仍在调查中。总之，云层覆盖不仅仅是一个简单的气象术语；它是影响我们的环境、天气和日常生活的关键因素。通过研究云层覆盖，我们获得了对天气模式如何发展、生态系统如何运作以及我们如何适应气候变化的见解。无论我们是农民、飞行员，还是仅仅是计划日常活动的个人，理解云层覆盖都可以帮助我们做出明智的决定，更好地欣赏周围的世界。