Description
Return gray-emitter Stefan-Boltzmann flux.
Atmospheric optical and radiation quantities distinguish spectral density, integrated flux, solid-angle response and reporting codes. A local attenuation factor, bin contribution or coverage bound requires compatible geometry and definitions rather than establishing a complete radiative transfer or observed cloud state.
Return gray-emitter Stefan-Boltzmann flux.
When to use this tool
Use Atmospheric Emissivity Blackbody Flux Term when checking the stated optical, radiometric, cloud-code or coverage convention.
How to use the tool and how it works
- Enter temperatureK, emissivity, stefanBoltzmann. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read blackbodyFlux, emittedFlux. Use the output convention below.
Return gray-emitter Stefan-Boltzmann flux. Require temperatureK >= 0, emissivity in [0,1] and constant > 0; blackbodyFlux = constant*T⁴, emittedFlux = emissivity*blackbodyFlux.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| temperatureK | Temperature K | Required. Finite number; minimum 0. |
| emissivity | Emissivity | Required. Finite number; minimum 0; maximum 1. |
| stefanBoltzmann | Stefan Boltzmann | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| blackbodyFlux | Blackbody Flux | Required. Finite number. |
| emittedFlux | Hemispheric graybody radiant power per area, W/m² for SI constant and kelvins. | Required. Finite number. |
{
"input": {
"temperatureK": 300,
"emissivity": 0.8,
"stefanBoltzmann": 5.670374419e-8
},
"output": {
"blackbodyFlux": 459.300327939,
"emittedFlux": 367.44026235120003
}
}Limitations and assumptions
- This is total hemispheric emission per area under a gray model, not spectral radiance, net exchange or a complete atmospheric energy balance.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use the source-specific observation code table and an appropriate calibrated spectral/atmospheric model for actual cloud or radiative interpretation.
References
Similar or alternative tools
- Atmospheric Bin Radiance Weight
Return response-weighted spectral-bin contributions.
- Radiative Cooling Flux Divergence Term
Return vertical upward-flux divergence and temperature tendency.