troposphere
The troposphere is the lowest layer of the Earth's atmosphere, extending from the surface to an average altitude of about 12 kilometers. It is the region where nearly all weather conditions, such as clouds and precipitation, occur and where most of the atmosphere's mass is concentrated.
Exemples
3 sur 5Most clouds that you see in the sky are located within the troposphere.
The majority of clouds visible in the sky are found in the lowest layer of the atmosphere.
Environmental regulations aim to reduce the concentration of pollutants released into the troposphere.
Laws regarding the environment seek to lower the amount of harmful substances sent into the Earth's first atmospheric layer.
It's crazy to think that the troposphere is where all our rain and snow actually come from.
It is amazing to realize that the first layer of the atmosphere is the source of all precipitation.
Antonymes
Famille de mots
Astuce mémo
Think of 'Tropo-' as 'Tropical weather'. The 'tropo'sphere is where all the 'tropical' storms and weather changes happen.
Quiz rapide
Commercial airplanes usually fly near the top of the ____ to avoid turbulent weather found at lower altitudes.
Correct !
La bonne réponse est : troposphere
Exemples
Most clouds that you see in the sky are located within the troposphere.
everydayThe majority of clouds visible in the sky are found in the lowest layer of the atmosphere.
Environmental regulations aim to reduce the concentration of pollutants released into the troposphere.
formalLaws regarding the environment seek to lower the amount of harmful substances sent into the Earth's first atmospheric layer.
It's crazy to think that the troposphere is where all our rain and snow actually come from.
informalIt is amazing to realize that the first layer of the atmosphere is the source of all precipitation.
The boundary between the troposphere and the stratosphere is known as the tropopause.
academicThe dividing line between the first and second layers of the atmosphere is called the tropopause.
The aviation industry monitors wind currents in the troposphere to optimize flight paths and save fuel.
businessAirline companies track air movements in the lower atmosphere to improve routes and reduce costs.
Antonymes
Famille de mots
Collocations courantes
Phrases Courantes
within the troposphere
inside the Earth's lowest atmospheric layer
tropospheric heating
the warming of the lowest part of the atmosphere
thickness of the troposphere
the vertical measurement of the Earth's first layer
Souvent confondu avec
The stratosphere is the layer above the troposphere; it is where the ozone layer is located and is generally calmer.
Notes d'usage
The word is almost exclusively used in scientific, environmental, or meteorological contexts. In general conversation, people usually just say 'the air' or 'the atmosphere'.
Erreurs courantes
Learners often confuse the troposphere with the stratosphere or think it refers to the entire atmosphere rather than just the lowest layer.
Astuce mémo
Think of 'Tropo-' as 'Tropical weather'. The 'tropo'sphere is where all the 'tropical' storms and weather changes happen.
Origine du mot
Derived from the Greek 'tropos' (meaning 'turn' or 'change') and 'sphaira' (meaning 'sphere'), referring to the turbulent air and weather changes in this layer.
Modèles grammaticaux
Contexte culturel
While not tied to a specific culture, it is a standard term in global environmental science and climate change discussions.
Quiz rapide
Commercial airplanes usually fly near the top of the ____ to avoid turbulent weather found at lower altitudes.
Correct !
La bonne réponse est : troposphere
Vocabulaire associé
The layer of air and gases that surrounds the Earth or anoth...
climateClimate refers to the long-term patterns of weather conditio...
stratosphereThe stratosphere is the second major layer of Earth's atmosp...
meteorologyThe scientific study of the atmosphere and its phenomena, es...
altitudeAltitude refers to the vertical distance or height of an obj...
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