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Updating Townsends snow model references #2384

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Feb 12, 2025
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Updating Townsends snow model references #2384

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4ca58a5
Updating Townsends snow model references
ayushjariyal Feb 9, 2025
47c9d18
Applying reviews
ayushjariyal Feb 9, 2025
57bca5e
Adding a note to the whatsnew file for v0.11.3
ayushjariyal Feb 10, 2025
95e7b08
Applying review
ayushjariyal Feb 10, 2025
b80892b
Add myself as contributor and apply reviews
ayushjariyal Feb 10, 2025
7d699c8
Fix the line length issue
ayushjariyal Feb 10, 2025
1e845f0
Adding actual title of the poster
ayushjariyal Feb 11, 2025
953653b
correct doi syntax
ayushjariyal Feb 12, 2025
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2 changes: 2 additions & 0 deletions docs/sphinx/source/whatsnew/v0.11.3.rst
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Expand Up @@ -17,6 +17,7 @@ Documentation
~~~~~~~~~~~~~
* Fix Procedural and Object Oriented simulation examples having slightly different results, in :ref:`introtutorial`. (:issue:`2366`, :pull:`2367`)
* Restructure the user guide with subsections (:issue:`2302`, :pull:`2310`)
* Add references for :py:func:`pvlib.snow.loss_townsend`. (:issue:`2383`, :pull:`2384`)

Testing
~~~~~~~
Expand All @@ -40,3 +41,4 @@ Contributors
* Mark Campanelli (:ghuser:`markcampanelli`)
* Jason Lun Leung (:ghuser:`jason-rpkt`)
* Manoj K S (:ghuser:`manojks1999`)
* Ayush jariyal (:ghuser:`ayushjariyal`)
13 changes: 10 additions & 3 deletions pvlib/snow.py
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Expand Up @@ -278,16 +278,23 @@ def loss_townsend(snow_total, snow_events, surface_tilt, relative_humidity,
axis to the module edge.

The parameter `string_factor` is an enhancement added to the model after
publication of [1]_ per private communication with the model's author. The
definition for snow events documented above is also based on private
communication with the model's author.
publication of [1]_, as described in [2]_.
The definition for snow events documented above is based on [3]_.

References
----------
.. [1] Townsend, Tim & Powers, Loren. (2011). Photovoltaics and snow: An
update from two winters of measurements in the SIERRA. 37th IEEE
Photovoltaic Specialists Conference, Seattle, WA, USA.
:doi:`10.1109/PVSC.2011.6186627`
.. [2] Townsend, T. and Previtali, J. (2023). A Fresh Dusting: Current
Uses of the Townsend Snow Model. In "Photovoltaic Reliability
Workshop (PVRW) 2023 Proceedings: Posters.", ed. Silverman,
T. J. Dec. 2023. NREL/CP-5900-87918.
Available at: https://www.nrel.gov/docs/fy25osti/90585.pdf
.. [3] Townsend, T. (2013). Predicting PV Energy Loss Caused by Snow.
Solar Power International, Chicago IL.
:doi:`10.13140/RG.2.2.14299.68647`
'''

# unit conversions from cm and m to in, from C to K, and from % to fraction
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