The heating of the lower layer of the atmosphere from radiation absorbed by certain heat-absorbing gases is called the greenhouse effect. Water vapor and carbon dioxide are the two most important heat absorbing gases in the lower atmosphere.
The Greenhouse Effect.
It is called the greenhouse effect.
The Greenhouse Effect.
The Earth's atmosphere acts as an insulating layer primarily through the greenhouse effect. Here's how it works: Solar radiation: The Sun emits a wide spectrum of electromagnetic radiation, including visible light. This energy reaches the Earth as sunlight. Absorption and reflection: Some of the incoming solar radiation is absorbed by the Earth's surface, warming it. The rest is reflected back into space by the surface and clouds. Infrared radiation: The warmed Earth's surface emits heat in the form of infrared radiation. Greenhouse gases: Certain gases in the Earth's atmosphere, such as carbon dioxide (CO2) and water vapor (H2O), are called greenhouse gases. They are transparent to incoming sunlight but can absorb and re-radiate some of the infrared radiation emitted by the Earth's surface. Thermal trapping: Greenhouse gases trap some of the re-radiated infrared heat, preventing it from escaping into space. This process raises the temperature of the lower atmosphere, acting like a blanket that keeps the Earth warmer than it would be without an atmosphere. This natural greenhouse effect is essential for maintaining a stable climate and temperature on Earth. However, human activities, such as the burning of fossil fuels, have increased the concentration of greenhouse gases in the atmosphere, enhancing the greenhouse effect and leading to global warming and climate change.
Greenhouse gases absorb infra red radiation (heat) coming back up from the warmed earth. They hold this heat, and in turn warm up the air around them, as well as warming the earth's surface again.
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Greenhouse gases in the atmosphere, such as carbon dioxide, methane and water vapour, capture heat rising from the surface of the earth. This warms the atmosphere and the earth. This is a natural process that has been going on for millions of years. (Since the Industrial Revolution, more than 200 years ago, we have been burning fossil fuels (coal, oil and natural gas) in industry, transport and the generation of electricity. This has released long-hidden carbon dioxide (CO2) which is building up in the atmosphere and causing Global Warming.
The Greenhouse Effect.
The Greenhouse Effect.
The Greenhouse Effect.
the green house effect
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At the earth's surface about 51% of incoming solar radiation is absorbed, and 4% is reflected back into space.Incoming solar radiation: 100%Reflected by the atmosphere: 6% : Absorbed by the atmosphere: 16%Continuing incoming solar radiation: 78%Reflected by clouds: 20% : Absorbed by clouds: 3%Continuing incoming solar radiation: 55%Reflected by the earth's surface: 4% : Absorbed by the earth's surface (lands and oceans): 51%
Infrared radiation penetrates through the tissue and is also absorbed by different molecules. It is strongly absorbed by certain pigments and blood which determine the skin color, the multi-colored irises and the white of our eyes.
The Greenhouse Effect.
According to Wikipedia: "Thermoluminescence is a form of luminescence that is exhibited by certain crystalline materials, such as some minerals, when previously absorbed energy from electromagnetic radiation or other ionizing radiation is re-emitted as light upon heating of the material." You can read more about this phenomenon, below.
Yes; the sky's color is not a reflection of the ocean. It is due to certain wavelengths of the sun's radiation being scattered as it passes through the atmosphere.
Its the thermal energy that the Earth emits. Radiation is essentially another word for heat. There is also solar radiation which is simply the heat from the sun. The Earth actually emits far less thermal energy than what is taken in from by the sun and absorbed into the atmosphere. On the other hand there are planets like Jupiter whose surface temperature is mostly comprised of heat from thermal energy instead of solar radiation.
Radiation therapy is typically used to treat certain types of skin conditions; as well as certain types of cancer.