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pyet - Estimation of Potential Evaporation

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pyet: Estimation of Potential Evaporation

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pyet is an open source python package for calculating reference and potential evaporation (PE). Currently eighteen methods for calculating PE are implemented:

Classification Common method name Data needed pyet Method Reference
Combination Penman RH, T, U, D penman Penman (1948)
Penman-Monteith RH, T, U, D pm Monteith (1965)
FAO-56 RH, T, U, D pm_fao56 Allen et al. (1998)
Priestley-Taylor T, D priestley_taylor Priestley and Taylor (1972)
Kimberly-Penman RH, T, U, D kimberly_penman Wright (1982)
Thom-Oliver RH, T, U, D thom_oliver Thom and Oliver (1977)
Temperature Blaney–Criddle T, D blaney_criddle Blaney and Criddle (1952)
Hamon T hamon Hamon (1963)
Romanenko RH, T romanenko Xu and Singh (2001)
Linacre T linacre Linacre (1977)
Radiation Turc T, D turc Xu and Singh (2001)
Jensen–Haise T, D jensen_haise Jensen (1963)
McGuinness–Bordne T, D mcguinness_bordne McGuinness (1972)
Hargreaves T hargreaves Hargreaves and Samani (1982)
Doorenbos–Pruitt (FAO-24) RH, T, U, D fao_24 Jensen et al. (1990)
Abtew T, D abtew Abtew (1996)
Makkink T, D makkink Makkink (1957)
Oudin T oudin Oudin (2005)

T, Temperature; U, Wind Speed; D, Radiation; RH, Relative Humidity. Adapted from [@oudin2005potential].

Examples and Documentation

Examples of using pyet can be found in the example folder. This folder also contains a number of Jupyter Notebooks that thoroughly explain the use of the software. Documentation is hosted on ReadTheDocs.

After defining the input data, evaporation is estimated using only one line of python code:

>>> pyet.pm_fao56(tmean, wind, rn=rn, tmax=tmax, tmin=tmin, rh=rh, elevation=elevation)

Bug reports and Questions

pyet is in active development, and bug reports are welcome as GitHub Issues. General questions or discussions are possible through GitHub Discussions.

Installation

The pyet package is available from the Pypi package index and can be installed as follows:

>>> pip install pyet

To install in developer mode, use the following syntax:

>>> pip install -e .

Citing

To be added...

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