Irradiance

usgb/ɪˈreɪdiəns/
noun

The amount of energy from light or other radiation that lands on a specific area over a certain time period.

The irradiance from the sun is a crucial factor for plant growth.
Visual representation of "irradiance" - The amount of energy from light or other radiation that lands on a specific area over a certain time period.

Often appears as...

  • solar irradiance
  • spectral irradiance

Usage tips

Scientific

Definition 1 of 1
Visual representation of "irradiance"
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Scientific Term

Used mainly in scientific or technical contexts, such as physics, geography, and environmental studies.

Illustration for Scientific Term
Researchers compared the irradiance levels across different ecosystems.
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Measurement Unit

Often used with units of measurement, especially watts per square meter, to specify energy amount.

Illustration for Measurement Unit
The solar panel's efficiency depends on the irradiance, usually in the range of 1000 W/m².
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Context Specific

Understanding the context is crucial. For example, 'solar irradiance' relates to sunlight, while 'spectral irradiance' pertains to specific wavelengths.

Illustration for Context Specific
The spectral irradiance can tell us which wavelengths are most intense during midday.
Visual representation of the word "Irradiance"

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