albedos
简明释义
n. (行星等的)反射率;星体反照率(albedo 的变形)
英英释义
The measure of the reflectivity of a surface, defined as the ratio of reflected radiation from the surface to incident radiation upon it. | 表面反射率的测量,定义为从表面反射的辐射与照射到其上的辐射的比率。 |
单词用法
同义词
反义词
吸收 | The surface has high absorption, making it ideal for heat retention. | 该表面具有高吸收性,非常适合保留热量。 | |
黑暗 | 在黑暗区域,反照率效应微乎其微。 |
例句
1.The effect of the surface albedo is considered secondly as an error correction so as to obtain the net solar radiation at various surface albedos .
然后将地表反射率的影响作为误差项进行订正,从而得到各种地表反射率条件下的晴天地表太阳净辐射的计算方法。
2.By contrast, deserts and areas covered by ice and snow, these places have high albedos.
相比之下,沙漠和冰雪覆盖的地区,反照率很高。
3.The scattering and reflection of light by clouds are studied by scalar radiative transfer theory. The plane albedos and bidirectional reflectance of clouds are given.
利用标量辐射传输理论,计算了云层对光波的反射与透射,给出了云层的平面反照率和双向反射函数;
4.The scattering and reflection of light by clouds are studied by scalar radiative transfer theory. The plane albedos and bidirectional reflectance of clouds are given.
利用标量辐射传输理论,计算了云层对光波的反射与透射,给出了云层的平面反照率和双向反射函数;
5.Scientists are particularly interested in the albedos of ice and snow, as they play a crucial role in climate regulation.
科学家们特别关注冰雪的反照率,因为它们在气候调节中发挥着关键作用。
6.The study of planetary surfaces often involves measuring their albedos, which indicates how much sunlight is reflected back into space.
对行星表面的研究通常涉及测量它们的反照率,这表明有多少阳光被反射回太空。
7.Land use changes can significantly alter the albedos of regions, affecting local temperatures.
土地利用变化可以显著改变地区的反照率,影响当地温度。
8.Higher albedos can help cool the planet by reflecting more solar energy away from the surface.
较高的反照率可以通过将更多的太阳能反射离地表来帮助冷却地球。
9.Dark surfaces, like forests or oceans, typically have lower albedos compared to lighter surfaces like deserts.
与沙漠等较浅表面相比,森林或海洋等深色表面的反照率通常较低。
作文
The concept of albedos is integral to understanding how different surfaces on Earth interact with sunlight. In simple terms, albedos refers to the measure of reflectivity of a surface, specifically the fraction of sunlight that is reflected back into space. Various surfaces have different albedos, which can significantly influence local and global climates. For instance, fresh snow has a high albedo, reflecting about 80-90% of incoming solar radiation, while dark ocean waters have a low albedo, absorbing a significant amount of sunlight. This difference in albedos plays a crucial role in regulating temperature and weather patterns.Understanding albedos is particularly important in the context of climate change. As global temperatures rise, ice caps and glaciers are melting, leading to a decrease in areas with high albedos. This reduction means that less sunlight is reflected away from the Earth, causing more heat to be absorbed by the planet's surface, further exacerbating warming. The feedback loop created by changing albedos is a critical factor in climate models, as it helps scientists predict future climate scenarios.Moreover, urban areas often have lower albedos due to the prevalence of dark asphalt and buildings, which absorb heat and contribute to the urban heat island effect. This phenomenon results in higher temperatures in cities compared to surrounding rural areas, affecting energy consumption, air quality, and public health. By increasing the albedo of urban environments through reflective materials and green spaces, cities can mitigate some of these effects, leading to cooler temperatures and improved living conditions.In agricultural contexts, the albedos of different crops can also impact local climates. For example, fields planted with light-colored crops may reflect more sunlight than those with darker plants, influencing soil temperature and moisture levels. Farmers and land managers can use this knowledge to optimize growing conditions and improve crop yields.In summary, albedos are a fundamental aspect of environmental science, affecting everything from climate regulation to urban planning and agriculture. By understanding and managing albedos, we can make informed decisions that support sustainability and combat climate change. As our planet continues to warm, recognizing the importance of albedos will be essential for developing effective strategies to protect our environment and ensure a livable future for generations to come.
“albedos”这个概念对于理解地球上不同表面如何与阳光相互作用至关重要。简单来说,albedos是指表面的反射率的测量,具体是指反射回太空的阳光的比例。各种表面具有不同的albedos,这可能会显著影响局部和全球气候。例如,新鲜的雪具有高albedo,反射约80-90%的入射太阳辐射,而深色的海洋水域则具有低albedo,吸收大量阳光。这种albedos的差异在调节温度和天气模式中发挥着至关重要的作用。理解albedos在气候变化的背景下尤为重要。随着全球气温的上升,冰盖和冰川正在融化,导致高albedos区域的减少。这种减少意味着更少的阳光被反射回地球,从而导致更多的热量被地球表面吸收,进一步加剧变暖。由于变化的albedos所产生的反馈循环是气候模型中的一个关键因素,它帮助科学家预测未来的气候情景。此外,由于黑色沥青和建筑物的普遍存在,城市地区通常具有较低的albedos,这吸收热量并导致城市热岛效应。这种现象导致城市的温度高于周围的农村地区,影响能源消耗、空气质量和公共健康。通过使用反射材料和绿地来提高城市环境的albedo,城市可以减轻一些这些影响,从而降低温度并改善生活条件。在农业背景下,不同作物的albedos也会影响当地气候。例如,种植浅色作物的田地可能比种植深色植物的田地反射更多的阳光,影响土壤温度和湿度水平。农民和土地管理者可以利用这一知识来优化生长条件,提高作物产量。总之,albedos是环境科学的一个基本方面,影响着气候调节、城市规划和农业等方方面面。通过理解和管理albedos,我们可以做出明智的决策,支持可持续发展并应对气候变化。随着我们的星球继续变暖,认识到albedos的重要性对于制定有效的保护环境和确保未来几代人可居住的战略将至关重要。