The need of the change of the conceptualisation of hydrologic processes under extreme conditions &ndash; taking reference evapotranspiration as an example

Liu, S.; Tan, L.; Mo, X.; Zhang, S.

doi:10.5194/piahs-371-167-2015

Articles | Volume 371

https://doi.org/10.5194/piahs-371-167-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/piahs-371-167-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 371

12 Jun 2015

| 12 Jun 2015

The need of the change of the conceptualisation of hydrologic processes under extreme conditions – taking reference evapotranspiration as an example

S. Liu, L. Tan, X. Mo, and S. Zhang

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Latest update: 18 May 2026

Short summary

By taking an example of Allen’s formula as a hydrological model based on long-term data at a Chinese site, the relationships between driving forces and responses for average, minimum and maximum values at daily, monthly and annual scale are revealed. It indicates due to the relationships’ nonlinearity a routine model may not be able to catch hydrological responses extreme from extreme driving events and it is even more so for future. Finding a primary driver is one of the ways for improvements.