What is reflected solar radiation?

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Reflection occurs when incoming solar radiation bounces back from an object or surface that it strikes in the atmosphere, on land, or water, and is not transformed into heat. The proportion of incoming solar radiation that is reflected by the Earth is known as its albedo.

What reflects solar radiation the most?

Albedo is the ability of a surface to reflect sunlight (solar radiation). Snow and ice have high albedo – much of the sunlight hitting surfaces covered with snow and ice bounces back. In contrast, dark earthy surfaces have a low albedo, therefore, they absorb more sunlight.

What is reflected radiation and where does it come from?

Radiation reflected or emitted from the earth and the atmosphere into the aperture is separated into spectral “bands” by a spectral separation device and detected at the focus of an optical assembly.

What happens reflected radiation?

Earth's albedo, the amount of radiation reflected, is about 30% of the total incoming radiation from the Sun. The other 70% of the radiation is absorbed. The reflected radiation simply bounces off of Earth's atmosphere and is re-emitted into space.

What are the 3 types of solar radiation?

The three relevant bands, or ranges, along the solar radiation spectrum are ultraviolet, visible (PAR), and infrared. Of the light that reaches Earth's surface, infrared radiation makes up 49.4% of while visible light provides 42.3% 9. Ultraviolet radiation makes up just over 8% of the total solar radiation.

Does reflected sunlight produce heat?

Solar radiation that is reflected back into space by Earth's surface or atmosphere does not add heat to the Earth system. Absorbed radiation is transformed into heat.

What is sunlight reflected from the Earth called?

albedo Light is reflected from Earth to the Moon and back to Earth as earthshine. Earthshine is used to help determine the current albedo of Earth. The data are used to analyze global cloud cover, a climate factor. Oceans reflect the least amount of light, roughly 10%.

What type of radiation is reflected?

Key Concepts. The reflection of electromagnetic radiation involves the returning or throwing back of the radiation by a surface upon which the radiation is incident. A reflecting surface is generally the boundary between two materials of different electromagnetic properties.

Why reflected solar radiation may vary over time?

The Earth's rotation and orbit cause the most dramatic changes in solar radiation over time. The simplest of these is the difference between night and day, which is driven by a 24-hour change in solar energy as the Earth rotates on its axis. The different seasons are also an example of solar driven climate variation.

What is the solar radiation coming to Earth called?

insolation The energy received by the earth is known as incoming solar radiation which in short is termed as insolation.

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