albedo

简明释义

英[ælˈbiːdəʊ]美[ælˈbiːdoʊ]

n. （行星等的）反射率；星体反照率

复 数 a l b e d o s 或 a l b e d o e s

英英释义

单词用法

同义词

反义词

例句

1.The scientists say this pattern is consistent with a climate process known as the ice-albedo feedback.

科学家认为这种模式，与被称为冰反射率回馈（ ice-albedo feedback）的气候变化过程的原理一致。

2.But these bubbles only lightly brighten the planet, contributing less than one-tenth of 1% of Earth's reflectivity, or albedo.

但是这些气泡只是轻微地使地球变亮，在1%的地球反射率中占不到十分之一。

3.Sensitivity of Tropical Land Climate to Leaf Area Index: Role of Surface Conductance versus Albedo.

热带陆地气候对叶面积指数的敏感性：地面传导与反照率的作用。

4.Sea ice retreat and snow melt reduce Earth's albedo, which can lead to increased warmth and further melting.

海冰的消退以及冰雪的融化降低了地球的反照率，这将导致温度继续增高冰雪继续消融。

5.Radiative forcing will be affected deeply by the change of single scattering albedo of dust aerosol.

辐射强迫数值对矿物尘气溶胶单次散射反照率的变化较敏感。

6.The albedo was positive correlation with maximum temperature.

反射率与最高温度呈正相关。

7.Vegetation cover attributes play a major role in surface energy budgets through their impact on photosynthetic processes and albedo.

植被覆盖特征影响光合作用和反照率，是表面能量估计中的主要因素。

8.The cosmic dose rate (determined primarily by shielding) and albedo directly affect the level of natural tl in meteorites.

宇宙剂量率(定于初始屏蔽作用)反照率直接影响陨石的自然tl值。

9.Ice and snow have a high albedo 反照率, reflecting most of the sunlight.

冰雪的albedo 反照率很高，反射大部分阳光。

10.Changes in land use can alter the albedo 反照率 of an area.

土地利用的变化可以改变一个地区的albedo 反照率。

11.The Earth's albedo 反照率 affects global temperatures significantly.

地球的albedo 反照率对全球温度有显著影响。

12.Scientists measure the albedo 反照率 of different surfaces to understand climate change.

科学家测量不同表面的albedo 反照率以了解气候变化。

13.Dark surfaces like asphalt have a low albedo 反照率, absorbing more heat.

像沥青这样的深色表面具有低albedo 反照率，吸收更多热量。

作文

The concept of albedo is crucial in understanding the Earth's climate and its interactions with solar radiation. Albedo refers to the measure of reflectivity of a surface, specifically how much sunlight is reflected by that surface compared to how much is absorbed. This term is derived from the Latin word 'albedo', which means 'whiteness'. Surfaces with high albedo, such as ice and snow, reflect a significant amount of sunlight, while darker surfaces, like forests or oceans, have a low albedo and absorb more heat.The importance of albedo can be observed in various environmental contexts. For instance, the polar regions possess a high albedo due to the extensive ice cover. This characteristic helps to keep these areas cool, reflecting solar energy back into space. However, as global temperatures rise and ice melts, the albedo effect diminishes. The exposed darker ocean waters absorb more heat, leading to further warming and accelerated ice melt in a feedback loop that exacerbates climate change.In urban environments, albedo also plays a significant role. Cities often consist of asphalt and concrete, materials that have a low albedo. This results in the urban heat island effect, where cities become significantly warmer than their rural surroundings. By increasing the albedo of urban areas—through green roofs, reflective pavements, and increased vegetation—we can help mitigate some of this heat absorption and improve overall urban climate resilience.Moreover, albedo affects weather patterns and precipitation. Regions with lower albedo tend to experience higher temperatures, which can influence local weather systems. Changes in albedo can lead to shifts in wind patterns and precipitation, affecting agriculture and water resources. Understanding these dynamics is essential for developing strategies to adapt to climate variability.In conclusion, albedo is a fundamental concept in climatology that influences not only the temperature of the Earth but also its ecosystems and human habitats. As we continue to face the challenges of climate change, recognizing the role of albedo in our environment becomes increasingly important. Strategies to enhance albedo in both natural and urban settings could serve as effective measures to combat rising temperatures and promote sustainability. Therefore, the study of albedo should be a priority for scientists and policymakers alike, as it holds the key to understanding and addressing many pressing environmental issues today.

‘albedo’这个概念对于理解地球气候及其与太阳辐射的相互作用至关重要。‘albedo’指的是表面的反射率，特别是表面反射多少阳光与吸收多少阳光的比较。这个术语源于拉丁词‘albedo’，意思是‘白度’。具有高‘albedo’的表面，如冰和雪，反射大量阳光，而较暗的表面，如森林或海洋，具有低‘albedo’，吸收更多热量。‘albedo’的重要性可以在各种环境背景中观察到。例如，极地地区由于广泛的冰盖而拥有高‘albedo’。这一特性有助于保持这些地区的凉爽，将太阳能反射回太空。然而，随着全球气温上升和冰层融化，‘albedo’效应减弱。暴露的较暗海水吸收更多热量，导致进一步的升温和加速的冰层融化，形成一个加剧气候变化的反馈循环。在城市环境中，‘albedo’同样发挥着重要作用。城市通常由沥青和混凝土组成，这些材料具有低‘albedo’。这导致城市热岛效应，即城市比周边乡村显著更暖。通过增加城市区域的‘albedo’——通过绿色屋顶、反射性铺路和增加植被——我们可以帮助减轻部分热量吸收并改善整体城市气候适应能力。此外，‘albedo’还影响天气模式和降水。具有较低‘albedo’的地区往往经历更高的温度，这可能影响地方天气系统。‘albedo’的变化可能导致风向和降水的变化，影响农业和水资源。理解这些动态对于制定应对气候变化的策略至关重要。总之，‘albedo’是气候学中的一个基本概念，不仅影响地球的温度，还影响其生态系统和人类栖息地。随着我们继续面临气候变化的挑战，认识到‘albedo’在我们环境中的作用变得越来越重要。在自然和城市环境中增强‘albedo’的策略可以作为有效的措施来对抗温度上升并促进可持续发展。因此，研究‘albedo’应成为科学家和政策制定者的优先事项，因为它是理解和解决当今许多紧迫环境问题的关键。