diurnal variation

简明释义

昼夜变化

英英释义

例句

1.Farmers need to be aware of diurnal variation 昼夜变化 in humidity to optimize irrigation schedules.

农民需要注意湿度的diurnal variation 昼夜变化以优化灌溉计划。

2.The study found significant diurnal variation 昼夜变化 in blood pressure among the participants.

研究发现参与者的血压存在显著的diurnal variation 昼夜变化。

3.The diurnal variation 昼夜变化 in hormone levels can affect mood and behavior.

荷尔蒙水平的diurnal variation 昼夜变化会影响情绪和行为。

4.The diurnal variation 昼夜变化 in light exposure can influence plant growth and flowering.

光照的diurnal variation 昼夜变化可以影响植物的生长和开花。

5.Researchers observed diurnal variation 昼夜变化 in temperature, with highs during the day and lows at night.

研究人员观察到温度有diurnal variation 昼夜变化，白天气温较高，夜间较低。

作文

The concept of diurnal variation refers to the changes that occur in various phenomena within a 24-hour cycle. This term is particularly significant in fields such as biology, meteorology, and environmental science, where understanding daily patterns can provide insights into natural processes. For instance, in biology, many organisms exhibit behaviors that align with the day-night cycle, such as feeding, mating, and sleeping. These activities are often influenced by external factors like light and temperature, which fluctuate throughout the day. The diurnal variation in temperature can affect metabolic rates in animals, leading them to be more active during certain times of the day when conditions are favorable.In meteorology, diurnal variation plays a crucial role in weather patterns. Daily temperature changes can significantly influence local climates and weather events. For example, during the day, the sun heats the Earth's surface, causing temperatures to rise. At night, the absence of sunlight leads to cooling. This daily fluctuation not only affects human comfort but also influences agricultural practices. Farmers often need to consider these diurnal variations when deciding the best times for planting and harvesting crops, as certain plants may thrive better under specific temperature conditions.Moreover, diurnal variation is also observed in human physiology. Our bodies have internal clocks, known as circadian rhythms, that regulate various biological processes over a 24-hour period. Hormone levels, sleep patterns, and even cognitive functions can vary throughout the day. For instance, cortisol, a hormone associated with stress, typically peaks in the morning and gradually declines throughout the day. Understanding these diurnal variations can help individuals optimize their productivity and well-being by aligning their activities with their natural body rhythms.In the context of environmental science, researchers study diurnal variation to understand how ecosystems function. Many plants open their stomata during the day to absorb carbon dioxide for photosynthesis and close them at night to reduce water loss. This behavior is a direct response to the light conditions of the day. Similarly, animals may alter their foraging strategies based on the time of day to avoid predators or maximize food intake. By examining these patterns, scientists can gain insights into the health of ecosystems and the impacts of climate change.In conclusion, the study of diurnal variation is essential across various disciplines. It helps us comprehend the intricate relationships between organisms and their environments, informs agricultural practices, and enhances our understanding of human health. As we continue to explore the complexities of life on Earth, recognizing the significance of diurnal variation will be crucial in addressing challenges related to sustainability and adaptation in an ever-changing world.

“昼夜变化”这一概念是指在24小时周期内发生的各种现象的变化。这个术语在生物学、气象学和环境科学等领域尤为重要，因为理解日常模式可以提供对自然过程的洞察。例如，在生物学中，许多生物体的行为与昼夜周期相一致，如进食、交配和睡眠。这些活动通常受到光照和温度等外部因素的影响，这些因素在一天中会波动。温度的昼夜变化会影响动物的代谢率，使它们在某些时间段内更活跃，当时的条件是有利的。在气象学中，昼夜变化在天气模式中起着至关重要的作用。每日温度变化可以显著影响当地气候和天气事件。例如，在白天，太阳加热地球表面，导致温度上升。在夜间，缺乏阳光会导致降温。这种每日波动不仅影响人类的舒适度，还影响农业实践。农民在决定最佳的种植和收获时间时，常常需要考虑这些昼夜变化，因为某些植物在特定温度条件下可能更能茁壮成长。此外，昼夜变化在人体生理学中也有所观察。我们的身体有内部时钟，称为昼夜节律，调节各种生物过程，周期为24小时。荷尔蒙水平、睡眠模式甚至认知功能都可能在一天中有所不同。例如，与压力相关的荷尔蒙皮质醇通常在早晨达到峰值，并在一天中逐渐下降。理解这些昼夜变化可以帮助个人优化他们的生产力和幸福感，通过将他们的活动与自然的身体节律对齐。在环境科学的背景下，研究人员研究昼夜变化以了解生态系统的功能。许多植物在白天打开气孔以吸收二氧化碳进行光合作用，而在夜间关闭气孔以减少水分流失。这种行为是对白天光照条件的直接反应。同样，动物可能根据一天中的时间调整觅食策略，以避免捕食者或最大化食物摄入。通过研究这些模式，科学家可以深入了解生态系统的健康状况以及气候变化的影响。总之，研究昼夜变化在各个学科中都是至关重要的。它帮助我们理解生物体与其环境之间错综复杂的关系，指导农业实践，并增强我们对人类健康的理解。随着我们继续探索地球生命的复杂性，认识到昼夜变化的重要性对于应对与可持续性和适应性相关的挑战至关重要。