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单词 albedo
释义
albedo
noun[CorU]
physicsspecialized
uk
/ælˈbiː.dəʊ/us
/ælˈbiː.doʊ/
theamountof thelighthittingasurfacethat itreflectsback,especiallythesurfaceof aplanetor otherbodyinspace:
（尤指星体）反照率
Openwateris one of thesubstanceswith thelowestalbedo that we have onEarth.开阔的水面是地球上反照率最低的物质之一。
Scientistsdetectedwhat could be a 2.5percentdecreasein Earth's albedo over the past fiveyears.科学家们发现在过去五年中地球的反照率可能下降了 2.5%。
the albedo effect
environmentspecialized
theeffectproducedby thelightandheatof thesunbeingreflectedback fromsurfacesonEarthinto theatmosphere:
反照率效应
The albedoeffect- thereflectionof 80% of the sun'sheatby thesnowandice-keepstemperaturesin theregioncool.反照率效应，即冰雪反射80%的太阳热量，使该地区的温度保持凉爽。
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More examples
  • Enceladus has an albedogreaterthan 90percent,whereastheEarthanditsmoonhave albedos of 38percentand 12percent,respectively.
  • Theobjectdiscoveredbyastronomersisbelievedto have adiameterofroughly550miles,basedonassumptionsofitssurfacereflectivity, or albedo.
  • Sagebrush has a muchloweralbedo than wildflowers - that is, itreflectslesssunlightback intospace,causingevenmorewarming.
  • As themeadowsvanish, abeneficialfeedbackloop- in whichtheirhigh albedohelpstocooltheworld- isreplacedby aharmfulone.
  • It is notentirelyclearwhy theArcticiswarmingmuch morequicklythan otherareas. Onefactorisprobablyalbedo, or the heat-reflectingvalueofice.
SMART Vocabulary: related words and phrases
Giving out light
  • afire
  • beam
  • bioluminescence
  • brighten
  • burnished
  • candlelit
  • dapple
  • flicker
  • glimmer
  • glitter
  • illuminate
  • non-glare
  • non-luminous
  • out-glitter
  • pearlescence
  • pearlescent
  • reflected ray
  • shine
  • spotlight
  • wink
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You can also find related words, phrases, and synonyms in the topics:

Astronomy
(Definition ofalbedofrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofalbedo

albedo
Effectivealbedofor gap feeding upper pinch in doublepinch at peak temperature !
From theCambridge English Corpus
The effect of perceived surface orientation on perceived surfacealbedoin binocularly viewed scenes.
From theCambridge English Corpus
This energy balance depends on, among other factors, the planetaryalbedo.
From theCambridge English Corpus
At the same time, thealbedodifferences themselves are likely to be related to differences in surface mineralogy and dust coverage.
From theCambridge English Corpus
However, it is important to note that the globalalbedopattern can change within only a few decades.
From theCambridge English Corpus
The principal factors influencing soil temperatures are surfacealbedoand surface cooling.
From theCambridge English Corpus
The amount of ice and snow is larger when the temperature is lower, so the lower the temperature the higheralbedo.
From theCambridge English Corpus
The figure shows the zonal-mean distribution, so thealbedoand thermal inertia have been zonally averaged in the calculation.
From theCambridge English Corpus
Information on the albedos and densities of those giants showing transits will be obtained.
From theCambridge English Corpus
The difference inalbedois a factor of y10.
From theCambridge English Corpus
Balancing the ice-albedocooling and the greenhouse warming gives rise to two stable climate states.
From theCambridge English Corpus
These high-albedozones could be the remnant of sabkha or dusty materials composed of iron oxides, sulphates and other evaporates.
From theCambridge English Corpus
It represents major gradients in key climatological parameters such as carbon flux, water flux andalbedo.
From theCambridge English Corpus
The planetaryalbedois not a constant factor : it depends on the state of the climate itself, through the amount of clouds and ice.
From theCambridge English Corpus
The red band was the least effective because of the in-uence of soilalbedoand image vignetting.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/albedo##
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更新时间：2024/12/27 19:31:08