Runoff modeling in flooded stream networks
2007 (English)In: Proceedings of the International Symposium on Modern Technology of Dams – : the 4th EADC Symposium, Chengdu, China, October 12-18 2007., 2007, 441-450 p.Conference paper (Other academic)
This paper outlines a procedure about how to create a compartment type of runoff model that is flexible for prediction of flows of different magnitudes. This methodology is expected to be most useful when applied to high flow situations, when predictions normally are conceived as extrapolations far outside calibration intervals. Focus is put on how to introduce response functions that include more detailed information regarding the river network geometry and the morphology of the channel cross-sections. The parametrisation formula is based on Manning’s equation for open channel flow and the geometrical data is derived from geographical information handled in a GIS software. These response functions can be expected to provide better extrapolations of the hydrograph for future extreme floods, especially for peak flows. This has implications for safety aspects of dams as well as for the economy of hydropower production.
Place, publisher, year, edition, pages
2007. 441-450 p.
Peak flow modelling, response function, compartmental runoff model, river network geometry, hydromorphology, network routing model
Oceanography, Hydrology, Water Resources
IdentifiersURN: urn:nbn:se:kth:diva-25301OAI: oai:DiVA.org:kth-25301DiVA: diva2:357225
QC 201010202010-10-202010-10-152015-09-03Bibliographically approved