The definition of reradiation is a second absorption of radiation. An example of reradiation is global warming when the Earth is warmed by the greenhouse effect of a layer of pollution.

What do you mean by re radiated?

transitive verb. : to radiate again or anew especially : to emit (energy) in the form of radiation after absorbing incident radiation.

What is the reradiation process?

Reradiation. A process by which the Earth returns solar energy to space; some of the shortwave solar energy that is absorbed into the land and water is returned to the atmosphere in the form of longwave terrestrial radiation.

What causes reradiation?

Water vapor, carbon dioxide, methane, nitrous oxide, chlorofluorocarbons, and liquid water droplets absorb longwave energy emitted by the surface of Earth, warming the atmosphere in a process referred to as the "greenhouse effect." ... The absorbed energy gets reradiated back to the surface and the cycle continues.

What does Earth reradiate?

The greenhouse effect is produced when the Earth's surface and atmosphere absorbs solar energy and reradiates the energy back into space. A portion of the absorbed energy is emitted by land and oceans, absorbed by the Earth's atmosphere, and reradiated back to the Earth.

How Populations Grow and Change: Crash Course Geography #33

43 related questions found

What is shortwave and longwave radiation?

Shortwave radiation contains higher amounts of energy and longwave radiation contains a smaller amount of energy. ... On the other hand, Earth's radiation is emitted as longwave, as it is much cooler but still emits radiation.

What are the layers of the atmosphere?

Earth's atmosphere has five major and several secondary layers. From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere.

What is reradiation of heat?

Radiation heat transfer is the mode of transfer of heat from one place to another in the form of waves called electromagnetic waves. Convection and conduction require the presence of matter as a medium to carry the heat from the hotter to the colder region.

What is the difference between insolation and Reradiation?

The energy emitted by the sun is known as solar radiation. The incoming solar radiation to the earth is known as insolation. ... Radiation from the earth is called terrestrial radiation.

What is longwave radiation in geography?

In the Earth's climate system, long-wave radiation involves processes of absorption, scattering, and emissions from atmospheric gases, aerosols, clouds and the surface. ... Radiative cooling by outgoing long-wave radiation is the primary way the Earth System loses energy.

What is radiated heat from Earth called?

All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. The Electromagnetic Spectrum.

Is a moment's view of the lower atmosphere?

Terms in this set (65) Weather: is a moment's view of the lower atmosphere (the troposphere), made up of elements such as wind, temperature, and precipitation occurring over relatively short periods of time.

How is heat radiated from Earth?

Earth returns an equal amount of energy back to space by reflecting some incoming light and by radiating heat (thermal infrared energy). Most solar energy is absorbed at the surface, while most heat is radiated back to space by the atmosphere.

What radiate means?

1 : to send out rays : shine The sun was radiating in the sky. 2 : to come forth in the form of rays Light radiates from shining bodies. 3 : to go out in a direct line from a center Spokes radiate from the center of the wheel.

What is a Reradiating surface?

The Reradiating Surface feature is a variant of the surface-to-surface radiation feature. with e = 0. Reradiation surfaces are common as an approximation of a surface that is. well insulated on one side and for which convection effects can be neglected on the. opposite (radiating) side.

How is solar radiation formed?

Solar radiation is radiant energy emitted by the sun from a nuclear fusion reaction that creates electromagnetic energy. The spectrum of solar radiation is close to that of a black body with a temperature of about 5800 K. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum.

What is insolation short answer?

Insolation is the solar radiation that reaches the earth's surface. It is measured by the amount of solar energy received per square centimetre per minute. Similarly, solar energy received by the earth is called insolation.

Why terrestrial radiation occurs mostly at night?

It is majorly due to Solar radiation. During sunlight i.e. daytime, there is net gain in energy due to radiation from Sun while in the night, when sunlight is absent, there is net loss in energy. The Earth's crust has limit to absorb an energy. Hence, Terrestrial radiation occur mostly at night.

What is difference between insulation and radiation?

Answer: Solar radiation is all the radiant energy emitted by the sun. Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation measured in space or at the Earth's surface. Insolation is the total solar radiation that reaches the earth's surface.

What is heat transfer by radiation examples?

Some common examples of Radiation are Ultraviolet light from the sun, heat from a stove burner, visible light from a candle, x-rays from an x-ray machine. All life on Earth depends on the transfer of energy from the Sun, and this energy is transferred to the Earth over empty space.

Are good absorbers also good emitters?

Objects that are good emitters are also good absorbers (Kirchhoff's radiation law). A blackened surface is an excellent emitter as well as an excellent absorber. If the same surface is silvered, it becomes a poor emitter and a poor absorber.

What are examples of thermal radiation?

An example of thermal radiation is the infrared radiation emitted by a common household radiator or electric heater. A person near a raging bonfire will feel the radiated heat of the fire, even if the surrounding air is very cold.

What is atmosphere explain?

An atmosphere is the layers of gases surrounding a planet or other celestial body. ... These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.

Where does space begin?

The Fédération Aéronautique Internationale (FAI) agrees with Blue Origin and defines the beginning of space as the Kármán line. The recognized imaginary boundary of space is at an altitude of about 62 miles.

Why is the sky blue?

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller wavelength. ... These shorter wavelengths correspond to blue hues, hence why when we look at the sky, we see it as blue.