pastas.stats.signatures.fall_rate#
- fall_rate(series, normalize=False)[source]#
Mean negative head changes from one day to the next.
- Parameters
series (pandas.Series) – Pandas Series with DatetimeIndex and head values.
normalize (bool, optional) – normalize the time series to values between zero and one.
- Return type
Notes
Mean rate of negative changes in head from one day to the next, according to [richter_1996].
References
- richter_1996
Richter, B. D. (1996). A method for assessing hydrologic alteration within ecosystems. Society for Conservation Biology, 10(4), 1163–1174. https://doi.org/10.1046/j.1523‐1739.1996.10041163.x