Validation of catchment models for predicting land-use and climate change impacts. 1. Method

Computer simulation models are increasingly being proposed as tools capable of giving water resource managers accurate predictions of the impact of changes in land-use and climate. Previous validation testing of catchment models is reviewed, and it is concluded that the methods used do not clearly t...

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Bibliographic Details
Published in:Journal of hydrology (Amsterdam) 1996, Vol.175 (1), p.583-594
Main Authors: Ewen, J., Parkin, G.
Format: Article
Language:English
Subjects:
change
climate change
computer simulation
Freshwater
land use
simulation models
water balance
watershed hydrology
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Summary:Computer simulation models are increasingly being proposed as tools capable of giving water resource managers accurate predictions of the impact of changes in land-use and climate. Previous validation testing of catchment models is reviewed, and it is concluded that the methods used do not clearly test a model's fitness for such a purpose. A new generally applicable method is proposed. This involves the direct testing of fitness for purpose, uses established scientific techniques, and may be implemented within a quality assured programme of work. The new method is applied in Part 2 of this study (Parkin et al., J. Hydrol., 175:595–613, 1996).
ISSN:0022-1694
1879-2707
DOI:10.1016/S0022-1694(96)80026-6