Troposphere - Wikipedia
Troposphere. Appearance. A picture of Earth's troposphere with its different cloud types of low to high altitudes casting shadows. Sunlight is reflected off the ocean, after it was filtered into a reddish light by passing through much of the troposphere at sunset.
Layers of the Atmosphere - National Oceanic and Atmospheric Administration
2024年8月20日 · Troposphere. Known as the lower atmosphere, almost all weather occurs in this region. The troposphere begins at the Earth's surface, but the height of the troposphere varies. It is 11-12 miles (18-20 km) high at the equator, 5½ miles (9 km) at 50°N and 50°S, and just under four miles (6 km) high at the poles.
Atmosphere - Weather, Air Pollution, Climate | Britannica
2024年8月22日 · Atmosphere - Weather, Air Pollution, Climate: The lowest portion of the atmosphere is the troposphere, a layer where temperature generally decreases with height. This layer contains most of Earth’s clouds and is the location where weather primarily occurs. The lower levels of the troposphere are usually strongly influenced by Earth’s surface.
The Troposphere - Center for Science Education
The troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Most types of clouds are found in the troposphere, and almost all weather occurs within this layer. The troposphere is by far the wettest layer of the atmosphere (all of the other layers contain very little moisture).
Layers of Earth's Atmosphere - Center for Science Education
We humans live in the troposphere, and nearly all weather occurs in this lowest layer. Most clouds appear here, mainly because 99% of the water vapor in the atmosphere is found in the troposphere. Air pressure drops, and temperatures get colder, as you climb higher in …
Troposphere | NASA Space Place – NASA Science for Kids
2019年6月28日 · The troposphere is between 5 and 9 miles (8 and 14 kilometers) thick depending on where you are on Earth. It’s thinnest at the North and South Pole. This layer has the air we breathe and the clouds in the sky. The air is densest in this lowest layer. In fact, the troposphere contains three-quarters of the mass of the entire atmosphere.
Troposphere | Weather, Climate Change & Air Pollution | Britannica
The troposphere is characterized by decreasing temperature with height and is distinguished from the overlying stratosphere by a region of nearly constant temperature in the lower stratosphere. Most of the clouds and weather systems are contained within the troposphere.
Earth’s long-term climate stabilized by clouds - Nature
2021年2月25日 · Through time, the climatically important stratocumulus decks have grown in response to a brightening Sun and decreasing greenhouse effect, driven by stronger cloud-top radiative cooling (which...
Earth’s Atmosphere: A Multi-layered Cake - Science@NASA
The troposphere is the densest atmospheric layer, compressed by the weight of the rest of the atmosphere above it. Most of Earth’s weather happens here, and almost all clouds that are generated by weather are found here, with the exception of cumulonimbus thunder clouds, whose tops can rise into the lowest parts of the neighboring stratosphere.
Diurnal variations of cloud and relative humidity profiles ... - Nature
2019年11月5日 · The fraction of optically opaque clouds peak in the free troposphere in the early afternoon, transforms into a high altitude positive anomaly of optically thin clouds from nightfall to...