Abstract
We present a framework and toolbox for multi-model (one at a time) nonstationary modeling of rainfall-runoff (RR) transformation. The designed time-varying nature of the five available conceptual RR models in the toolbox allows for modeling processes that are nonstationary in essence. Nonstationary Rainfall-Runoff Toolbox (NRRT) delivers insights about underlying watershed processes through interactive tuning of model parameters to reflect temporal nonstationarities. The toolbox includes a number of performance metrics, along with visual graphics to evaluate the goodness-of-fit of the model simulations. Our analysis shows that the proposed time-varying RR modeling framework successfully captures the nonstationary behavior of the Wights catchment in Australia. A multi-model analysis of this catchment, that has endured deforestation, provides insights on the functionality of different conceptual modules of RR models, and their representation of the real-world.
| Original language | American English |
|---|---|
| Pages (from-to) | 3011-3024 |
| Number of pages | 14 |
| Journal | Water Resources Management |
| Volume | 33 |
| Issue number | 9 |
| DOIs | |
| State | Published - 15 Jul 2019 |
Keywords
- Nonstationarity
- NRRT toolbox
- Rainfall-runoff modeling
- Time-varying models
EGS Disciplines
- Civil Engineering
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