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TRANSFERABILITY OF CONCEPTUAL MODEL PARAMETERS IN MOUNTAINOUS RAINFALL-DRIVEN
 

Summary: TRANSFERABILITY OF CONCEPTUAL MODEL
PARAMETERS IN MOUNTAINOUS RAINFALL-DRIVEN
CATCHMENTS
David Hutchinson
Environment Canada, 201-401 Burrard Street, Vancouver, BC V6C 3S5
Paul H. Whitfield
Environment Canada, 201-401 Burrard Street, Vancouver, BC V6C 3S5
Paola Allamano
Dipartimento di Idraulica, Trasporti e Infrastrutture Civili (DITIC), Politecnico di Torino,
Italy
Abstract
The IHACRES model has been widely shown to be successful in modelling rainfall-runoff processes in a
variety of environments. The objective of this paper is to examine the utility of physical catchment
descriptors (PCDs) to predict model parameters a priori. In this paper, we report results where calibrated
model parameters from a variety of catchments in mountainous pluvial regimes are compared to basin
area, drainage density and other attributes derived from digital elevations models. These results indicate
that some model parameters are significantly correlated to PCDs. However, significant correlations
between model parameters and PCDs may not provide good predictive power at ungauged locations.
Further work is necessary to determine if the correlations prove useful for transferring the model to
ungauged locations.

  

Source: Allamano, Paola - Dipartimento di Idraulica,Trasporti e Infrastrutture Civili, Politecnico di Torino

 

Collections: Geosciences; Engineering