期刊
ENVIRONMENTAL MODELLING & SOFTWARE
卷 129, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2020.104728
关键词
Watershed model; Distributed hydrological modelling; Modelling framework; Hydrology; Object-oriented; Surface water models
类别
资金
- NSERC Industrial Postgraduate Scholarship program
- NSERC
- BC Hydro
- National Research Council's Ocean, Coastal, and River Engineering division
- Ontario Power Generation
- Alberta WaterSmart
- Mac Hydro
- Northwest Hydraulics, Inc.
- Associated Engineering
- City of Calgary
- Alberta Environment and Parks
- CANARIE
- Deltares
- Environment and Climate Change Canada
- FloodNet NSERC strategic research network
- Government of the Northwest Territories
- Natural Resources Canada
- New Brunswick Environment and Local Government
- Ouranos
- TransAlta
A general formulation of a surface water hydrological model is posed that enables multiple numerical schemes, model structures, discretization schemes, and interpolation approaches to be tested, compared, and/or used for assessment of structural uncertainty and algorithm skill. This formulation is the basis for the object-oriented and open source hydrological modelling framework Raven. Raven is uniquely capable of fully emulating and then modifying or extending a number of existing hydrological models of differing design, including the UBC watershed model, GR4J, MOHYSE, HMETS, and HBV-EC. More than 100 compatible process algorithm options and more than 80 interchangeable options for both routing and the estimation of forcings support the testing of trillions of possible model configurations. It supports general spatial discretization, including grids, subbasin/hydrologic response units, lumped, or triangulated irregular network models. Ravens utility for examining the impact of model choices and sensitivity to structural model uncertainty is demonstrated with a set of simple test cases.
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