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If the concentrations of nitrogen and oxygen in the air were reversed, it would likely make the atmosphere unsuitable for human life. The stratosphere helps regulate temperatures by facilitating the conversion of oxygen into ozone. Atmospheric pressure decreases with increasing altitude, starting at sea level where pressure is around 14.7 pounds per square inch or 1013.25 millibars. Air movements include sea breezes and land breezes caused by differential heating of land and water.
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The document describes the layers of Earth's atmosphere from top to bottom: thermosphere, mesopause, mesosphere, stratopause, stratosphere, tropopause, and troposphere. It provides details about the characteristics of each layer, including variations in temperature, density of gases, and significance. For example, it notes that the troposphere is where weather occurs and is the lowest and thinnest layer, while the stratosphere contains the ozone layer and temperature increases with altitude.
layers of the earths atmosphere.ppt
The document describes the layers of Earth's atmosphere from top to bottom: thermosphere, mesopause, mesosphere, stratopause, stratosphere, tropopause, and troposphere. It provides details about the characteristics of each layer, including variations in temperature, density of gases, and significance. For example, it notes that the troposphere is where weather occurs and is the lowest and thinnest layer, while the stratosphere contains the ozone layer and temperature increases with altitude.
Atmosphere
The document summarizes key facts about Earth's atmosphere. It describes the composition of air, which is mostly nitrogen and oxygen. It also discusses the major divisions of the atmosphere based on temperature variations - the troposphere, stratosphere, and mesosphere. Additionally, it outlines how the atmosphere can be divided based on the distribution of gases, ozone and ions into the homosphere, heterosphere, ozonosphere, and ionosphere.
Slide share presentation
The document discusses the composition and layers of the atmosphere. It describes the five main layers - troposphere, stratosphere, mesosphere, thermosphere, and exosphere - and some of their key characteristics. The troposphere contains weather and is closest to Earth's surface, while the stratosphere contains the ozone layer. The mesosphere is the coldest layer, and the thermosphere is the hottest despite being thin. The main gases in the atmosphere are nitrogen, oxygen, and trace amounts of other gases like carbon dioxide and water vapor. Solar energy is the driving force behind atmospheric circulation and heating of the Earth.
power point presentation in atmospheric chemistry
this will provide quick discussion on atmospheric chemistry and some other details on atmosphere including layers of the atmosphere and environmental problems in the atmosphere
earthsatmosphere-130422102150-phpapp02.pdf
The document summarizes key information about Earth's atmosphere, including its composition, layers, and importance. It discusses the following main points:
1. Earth's atmosphere is made up primarily of nitrogen (78%) and oxygen (21%), along with smaller amounts of other gases like carbon dioxide and argon.
2. The atmosphere is divided into four main layers - the troposphere, stratosphere, mesosphere, and thermosphere - which vary in temperature and density.
3. Greenhouse gases like carbon dioxide and methane trap heat in the lower atmosphere, creating Earth's natural greenhouse effect and warm temperatures that support life. Increased CO2 levels are enhancing the greenhouse effect and global warming.
Earth’s atmosphere
The document summarizes key information about Earth's atmosphere, including its composition, layers, and importance. It discusses the following main points:
1. Earth's atmosphere is made up primarily of nitrogen (78%) and oxygen (21%), along with smaller amounts of other gases like argon, carbon dioxide, and water vapor.
2. The atmosphere is divided into four main layers - the troposphere, stratosphere, mesosphere, and thermosphere - which vary in temperature and density.
3. Key functions of the atmosphere include absorbing solar energy, recycling water and chemicals, protecting the planet from radiation, and supporting life on Earth.
Weather and climate
The document discusses the differences between weather and climate. Weather describes current atmospheric conditions in a place, while climate refers to conditions over a long period of time. It then describes the structure of the atmosphere, including the troposphere, stratosphere, mesosphere, and thermosphere. The atmosphere contains gases like nitrogen, oxygen, and carbon dioxide that make life possible. Temperature on Earth varies depending on factors like latitude, altitude, and distance from bodies of water.
Structure of atmosphere
The atmosphere of Earth can be divided into five main layers - exosphere, thermosphere, mesosphere, stratosphere, and troposphere - based on how temperature changes with altitude. The troposphere is the lowest layer that contains around 80% of the atmosphere's mass and is where weather occurs. Above the troposphere are the stratosphere, which contains the ozone layer, and the mesosphere, the coldest part of Earth's atmosphere. Above these layers are the thermosphere and exosphere, where the atmosphere thins out and merges with space. The composition of the atmosphere is mainly nitrogen, oxygen, and argon, with trace amounts of gases like carbon dioxide and water vapor.
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4 atmosphere updated
- 1. Atmosphere
- 2. What do you think would happen if the concentration of nitrogen and oxygen in the air were reversed?
- 5. TROPOSPHERE THERMOSPHERE MESOSPHERE STRATOSPHERE
- 6. MESO STRATO THERMO EXO TROPO
- 10. Properties of the Atmosphere
- 12. Movements of Air
- 14. Examples of air convection current
- 15. a. Sea Breeze During the day, cool gentle wind from the sea is produced when warm air over land rises, then the colder air over the sea moves toward the land
- 16. b. Land Breeze At night, cool gentle wind from the land is produced when warm air over sea water rises, then the colder air over the land moves toward the sea
- 17. Wind Patterns