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Atmospheric Sciences

Atmospheric science is the study of the atmosphere, its processes, and the interaction of the atmosphere with other systems, including the effects other systems have on the atmosphere and visa versa. Fields in Atmospheric Sciences include Meteorology, Climatology, and Aeronomy. Ask and answer questions about Atmospheric Sciences in this category.

7,660 Questions

Why do the gases that make up the atmosphere stay on Earth's surface?

The gases in Earth's atmosphere stay on the surface due to gravity, which pulls them towards the planet. The force of gravity is strong enough to prevent the gases from escaping into space. Additionally, Earth's magnetic field helps protect the atmosphere from being stripped away by solar winds.

How has the atmosphere changed over the last 4.5 billion years?

Due to photosynthesising, single celled organisms, the atmosphere now has much more oxygen in it. this is possibly the most important change as with out we would exist. The atmosphere originally had much more carbon-dioxide and made the planet so hot humans would not be able to survive.

What is the mesosphere movement?

The mesosphere is a layer of the Earth's atmosphere located between the stratosphere and thermosphere. It is characterized by decreasing temperatures with increasing altitude. The movement in the mesosphere is influenced by atmospheric tides, gravity waves, and other processes that affect the distribution of temperature and pressure in this region.

What are ways to preserve the atmosphere?

One way to preserve the atmosphere is to reduce greenhouse gas emissions by using renewable energy sources like solar and wind power. Planting trees and preserving forests can also help absorb carbon dioxide and improve air quality. Additionally, reducing air pollution from sources like vehicles and industries can protect the atmosphere.

How are sky conditions related to air pressure?

High air pressure typically leads to clear skies and good weather conditions, while low air pressure is associated with cloudiness and precipitation. Changes in air pressure can influence the formation and movement of clouds in the atmosphere, impacting sky conditions.

What form of oxygen is found in the stratosphere?

In the stratosphere, oxygen primarily exists in the form of O2 molecules, just like in the Earth's atmosphere. This molecular oxygen plays a crucial role in the absorption of harmful ultraviolet radiation from the sun, helping to protect life on Earth.

What is teine GFS?

Teine GFS is a forecasting model developed by the National Centers for Environmental Prediction (NCEP) that is used to predict global weather patterns. It stands for "Global Forecast System" and provides meteorologists with data on atmospheric conditions to help predict weather events.

What is a fact about the mesosphere most people dont know?

The mesosphere is the layer of Earth's atmosphere that is too high for airplanes but too low for satellites to orbit. It is also the coldest layer of the atmosphere, with temperatures dropping as low as -130 degrees Fahrenheit. The mesosphere is where most meteoroids burn up upon entering Earth's atmosphere.

What makes hot air more denser?

Hot air is denser than cold air because the molecules in hot air are moving faster and have more energy, causing them to be more spread out and collide with each other more frequently. This increased collision frequency results in hot air having a higher density compared to cold air.

What things affect the atmosphere?

Various factors can affect Earth's atmosphere, including greenhouse gas emissions, air pollution, natural events like volcanic eruptions, and global climate patterns such as El Niño. Human activities like deforestation and industrial processes can also contribute to changes in the atmosphere, impacting weather patterns and overall climate.

Why does it get colder in the troposphere then get hoter in the stratusphere then get colder again in the metrosphere?

Because it gets colder the higher you go in the homospere until you get to the ozone layer where sunlight is being pushed another direction. This sunlight makes it warmer and then it startes getting colder the higher you go again

What runs at the top of the troposphere?

The jet stream runs at the top of the troposphere. It is a narrow, meandering band of fast-flowing, westerly winds typically found between 7 and 12 kilometers above the Earth’s surface. The jet stream plays a significant role in shaping weather patterns and can influence the movement of storms.

What solids can be found in the atmosphere?

Some solids found in the atmosphere include dust, pollen, ash from volcanic eruptions, and aerosols such as soot and sea salt particles. These particles can have various sources, including natural processes and human activities, and can impact air quality and climate.

Does Saturn have a thin or heavy atmosphere?

Saturn has a thick atmosphere composed mostly of hydrogen and helium, along with trace amounts of other gases. The atmosphere is much denser than Earth's atmosphere, despite not having a solid surface.

If you added more water or carbon dioxide to our atmosphere how would it alter the loss of heat from our planet. Would you expect the Earth to get warmer or cooler. Why?

The situation for carbon dioxide is different from the situation for water. If we add CO2 to our atmosphere it will make it harder to lose heat (infrared radiation) back to space so it would probably increase the equalibrium temperature of the Earth. This is because the Sun pumps energy onto the Earth in the form of visible light photons. These photons heat the objects which absorb the visible light. These objects in turn radiate infrared radiation. The more infrared light gets absorbed in the atmosphere, the less gets radiated back to space, causing the energy to be retained, hence the temperature rises.

Water is more complicated because it dependes on whether the water vapor is invisible or in a visible form like a cloud.

Water vapor in the atmosphere in a transpearent way is just like CO2, it absorbs infrared light. However, water in the form of pools on the ground, ice, snow, or clouds, reflect a large percentage of the sunlight shining on them directly back to space (something like 20% to 90%). So it is impossible to say, without more study, whether adding water to the atmosphere will make it hotter by blocking infrared light or cooler by reflecting more of the Sun's energy away.

An additional concern is that night time clouds can act as an insulating layer, not allowing daytime heat to be radiated into space. The balance between the increased albedo of daytime cloud cover and the increased insulation provided by nighttime clouds in not fully understood.

What importance is the ionosphere to humans?

The ionosphere plays a crucial role in long-distance radio communication by reflecting radio waves back to Earth. It also helps protect us by absorbing harmful ultraviolet radiation from the sun. Additionally, the ionosphere influences GPS signals, making it important for navigation.

What layer of the atmosphere is where most weather takes place?

The layer of the atmosphere where most weather takes place is the troposphere, which is the lowest layer closest to the Earth's surface. It extends up to about 10-15 kilometers in altitude and contains most of the Earth's weather systems, including clouds, precipitation, and storms.

Why is British weather unpredictable?

British weather is influenced by a variety of factors, including its location between different climate zones. The Gulf Stream brings warm air, while polar air masses can bring cold temperatures, resulting in fluctuating weather patterns. This combination of factors leads to the unpredictable nature of British weather.

What is the atmospheric pressure if it is 685 Torr?

The atmospheric pressure would be 685 Torr. It is a unit of pressure commonly used in chemistry and is equivalent to approximately 0.905 atm or 25.4 inHg.

What is common misconception about earth's atmosphere?

A common misconception about Earth's atmosphere is that it is unlimited and can constantly absorb greenhouse gases without consequence. In reality, there is a limit to how much greenhouse gases can be absorbed, leading to global warming and climate change.

How was the thermosphere discovered?

The thermosphere was discovered through observations and study of the Earth's upper atmosphere. Scientists noticed varying temperature and composition patterns in this region, leading to the identification and classification of the thermosphere as a distinct layer of the atmosphere based on its unique characteristics.

Is atmosphere a solution?

No, the Earth's atmosphere is a mixture of gases, rather than a solution. A solution is a homogeneous mixture where the solute is uniformly dispersed in the solvent, whereas in the atmosphere, gases like nitrogen, oxygen, and carbon dioxide exist as separate entities.

How long does it take the moon to complete one full orbit?

It takes the moon, on average, 29.53 days to make one complete orbit around the Earth.

What negative impact on the earth does heating the ionosphere have?

Heating the ionosphere can lead to disruptions in radio and satellite communications, affecting navigation systems and causing blackouts in communication networks. It can also accelerate the degradation of the ozone layer, resulting in harmful effects on Earth's atmosphere and climate.

What would happen if the air in the upper atmosphere were warmer than the water vapor in the air?

It is impossible for the water vapour in the air to be at a different temperature from the air of which it is a part.

However warm air can hold more water vapour than cool air. Thus when air is warming up there are unlikely to be any clouds (clouds are caused by water vapour condensing out of air).