dew point

简明释义

露点

英英释义

例句

1.Farmers monitor the dew point to determine the best time for irrigation.

农民监测露点以确定最佳灌溉时间。

2.In summer, a high dew point can lead to uncomfortable conditions.

在夏天，高露点可能导致不适的天气条件。

3.The dew point is an important factor in predicting fog formation.

露点是预测雾形成的重要因素。

4.When the dew point rises above 70°F, it can feel particularly oppressive.

当露点超过70华氏度时，感觉特别压抑。

5.The weather forecast indicates that the dew point will be low today, making it feel less humid.

天气预报显示今天的露点会很低，这使得感觉不那么潮湿。

作文

Understanding the concept of dew point is essential for anyone interested in meteorology and weather patterns. The dew point, defined as the temperature at which air becomes saturated with moisture, plays a crucial role in determining humidity levels and predicting weather conditions. When the air temperature cools to the dew point, water vapor begins to condense into liquid water, forming dew. This phenomenon is particularly evident in the early morning when grass and cars are often covered in dew. In practical terms, the dew point is a more reliable indicator of comfort than relative humidity. For instance, on a hot summer day, two days may have the same relative humidity but different dew points. The day with a higher dew point will feel much more uncomfortable because the air is holding more moisture, making it harder for sweat to evaporate from our skin. Therefore, understanding the dew point can help us make better decisions about how to dress or whether to engage in outdoor activities. Meteorologists use the dew point to forecast weather conditions. A rising dew point indicates an increase in moisture in the atmosphere, which can lead to cloud formation and precipitation. Conversely, a falling dew point suggests drier air, which can lead to clearer skies. For example, if the dew point rises significantly during the night, it could signal that rain is on the way. Moreover, the dew point has implications beyond just weather forecasting. It is also important in various industries such as agriculture, HVAC (heating, ventilation, and air conditioning), and even aviation. Farmers monitor the dew point to determine the best times for planting and harvesting crops. In HVAC systems, maintaining an appropriate dew point is critical for ensuring indoor air quality and comfort. In aviation, pilots must be aware of the dew point to assess visibility and potential icing conditions during flight. In conclusion, the dew point is a fundamental concept that impacts not only our daily weather but also our comfort levels and various industries. By understanding the dew point, we can better prepare ourselves for the weather, make informed decisions, and appreciate the complexities of our atmosphere. Whether you're a weather enthusiast, a professional in a related field, or just someone who wants to know more about the world around you, grasping the significance of the dew point is a valuable endeavor.

理解露点的概念对于任何对气象和天气模式感兴趣的人来说都是至关重要的。露点被定义为空气饱和水分的温度，在确定湿度水平和预测天气条件方面发挥着关键作用。当空气温度降到露点时，水蒸气开始凝结成液态水，形成露水。这种现象在清晨尤为明显，草地和汽车上常常覆盖着露水。在实际应用中，露点比相对湿度更可靠地指示舒适度。例如，在炎热的夏天，两天可能有相同的相对湿度，但露点却不同。露点较高的那一天会感觉更加不舒服，因为空气中含有更多的水分，使得汗水更难从我们的皮肤上蒸发。因此，理解露点可以帮助我们更好地决定穿什么衣服或是否进行户外活动。气象学家使用露点来预测天气条件。露点上升表明大气中的水分增加，这可能导致云的形成和降水。相反，露点下降则意味着空气变干，这可能导致天空更加晴朗。例如，如果露点在夜间显著上升，这可能预示着降雨即将来临。此外，露点不仅在天气预报中有重要意义，还在农业、暖通空调（HVAC）甚至航空等多个行业中发挥着重要作用。农民监测露点以确定最佳的播种和收获时间。在HVAC系统中，维持适当的露点对于确保室内空气质量和舒适度至关重要。在航空领域，飞行员必须了解露点以评估飞行过程中的能见度和潜在的结冰条件。总之，露点是一个基本概念，不仅影响我们的日常天气，还影响我们的舒适度和各个行业。通过理解露点，我们可以更好地为天气做好准备，做出明智的决策，并欣赏我们大气的复杂性。无论你是天气爱好者、相关领域的专业人士，还是只是想了解周围世界的人，掌握露点的重要性都是一项有价值的努力。