The minimum set of assumptions underlying TOPMODEL are explored, together with conditions under which they can or cannot be relaxed. It is concluded that it may be necessary to move towards spatially explicit solutions of the governing equations if the underlying qยฑD relationships are to be modiยฎed.
TOPMODEL: A critique
โ Scribed by KEITH BEVEN
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 350 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0885-6087
No coin nor oath required. For personal study only.
โฆ Synopsis
TOPMODEL (a TOPography based hydrological MODEL) is now 20 years old and has been the subject of numerous applications to a wide variety of catchments. This paper represents a critical review of some of the issues involved in application of the TOPMODEL concepts, including the basic assumptions involved; the derivation of topographic index distributions from digital terrain data; additional model components; meaning and calibration of the model parameters; and issues involved in model validation and predictive uncertainty. The aim is to provoke a thoughtful approach to hydrological modelling and the interaction of modelling and ยฎeld work. Some recommendations are made for future modelling practice.
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