# Streamer (software)

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{{Technical|date=October 2009}}

'''Streamer''' is a [radiative transfer](/source/radiative_transfer) code (Key and Schweiger, 1988) to calculate [radiance](/source/radiance)s (intensities) or [irradiance](/source/irradiance)s in the atmosphere.

The code uses N-stream approximation to the radiative transfer equations (Stamnes et al. 1988) and allows for flexible choice of bands. The code can be used both for satellite radiance applications and estimates of heating rates in both cloudy and non-cloudy atmosphere. One can specify surface reflectivity.  Streamer is written in [FORTRAN](/source/FORTRAN).

==FluxNet==
FluxNet, the [neural network](/source/neural_network) version of Streamer, calculates upwelling and downwelling surface flux in either shortwave or longwave.  It is less flexible than Streamer but is two to four times faster.

==See also==
* [List of atmospheric radiative transfer codes](/source/List_of_atmospheric_radiative_transfer_codes)
* [Atmospheric radiative transfer codes](/source/Atmospheric_radiative_transfer_codes)
* [DISORT](/source/DISORT)

==References==
{{Refbegin}}
* Key, J. and A.J. Schweiger, 1998, Tools for atmospheric radiative transfer: Streamer and FluxNet, Computers & Geosciences, 24(5), 443-451.
* Stamnes, K., S. Tsay, W. Wiscombe and K. Jayaweera, 1988: Numerically stable algorithm for discrete-ordinate-method radiative transfer in multiple scattering and emitting layered media. Appl. Opt., 27, 2502-2509.
{{Refend}}
{{Reflist}}

==External links==
* [http://stratus.ssec.wisc.edu/streamer Streamer home page]
* [http://stratus.ssec.wisc.edu/fluxnet FluxNet home page]

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Category:Atmospheric radiative transfer codes

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Adapted from the Wikipedia article [Streamer (software)](https://en.wikipedia.org/wiki/Streamer_(software)) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Streamer_(software)?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.