pastas.stats.signatures.cv_date_min#

cv_date_min(series)[source]#

Coefficient of variation of the date of annual minimum head.

Parameters

series (pandas.Series) – Pandas Series with DatetimeIndex and head values.

Returns

cv – Coefficient of variation of the date of annual minimum head.

Return type

float

Notes

Coefficient of variation of the date of annual minimum groundwater head 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.