Journal
HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES
Volume 59, Issue 8, Pages 1470-1490Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02626667.2013.838003
Keywords
behavioural model parameter set; donor catchment; HBV hydrological model; model performance convergence; ungauged catchment
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Funding
- Norwegian research council [ISP10300637]
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In this study, transferability options of the Hydrologiska Byrans Vattenbalansavdelning (HBV) hydrological model parameter (MP) spaces were investigated to estimate ungauged catchment runoff. Three approaches were applied in the study: MP space transfer from single, neighbouring and all potential donor catchments. The model performance was evaluated by a jackknife procedure, where one catchment at a time was treated as if ungauged, and behavioural MP sets from candidate donor catchments were used to estimate the ungauged runoff. The results showed that ungauged catchment runoff estimation could not be guaranteed by transferring MP sets from a single physiographically nearest donor catchment. Integrating MP sets typically from one to six donor catchments supplemented the lack of effective MP sets and improved the model performance at the ungauged catchments. In addition, the analysis results revealed that the model performance converged to an average performance when the MP sets of all potential donor catchments were integrated.
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