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A simple algorithm for generating streamflow networks for grid-based, macroscale hydrological models

Lookup NU author(s): Dr Greg O'Donnell


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A simple algorithm for generating streamflow networks for macroscale hydrological models (MHMs) from digital elevation models (DEMs) is presented. Typically these hydrological models are grid based, with the simulated runoff produced within each cell routed through a stream network which connects the centers of cells in the direction of the major streams. Construction of such stream networks is a time consuming task, which has generally been done by hand with the aid of maps. Results indicate that the algorithm works satisfactorily in areas of both high and low relief, and for a wide range of model cell resolutions, although some manual adjustments may be necessary.

Publication metadata

Author(s): O'Donnell GM, Nijssen B, Lettenmaier DP

Publication type: Article

Publication status: Published

Journal: Hydrological Processes

Year: 1999

Volume: 13

Issue: 8

Pages: 1269-1275

Print publication date: 14/06/1999

ISSN (print): 0885-6087

ISSN (electronic): 1099-1085

Publisher: John Wiley & Sons Ltd.


DOI: 10.1002/(SICI)1099-1085(19990615)13:8<1269::AID-HYP806>3.0.CO;2-R


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