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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Daily flow time series patching or extension: A spatial interpolation approach based on flow duration curves
Hydrological Sciences Journal, Volume 41, No. 6, Year 1996
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Description
An algorithm is described that was initially developed as a simple method for patching and extending observed time series of daily streamflow. It is based on the use of 1-day flow duration curves for each month of the year and on the assumption that flows occurring simultaneously at sites in reasonably close proximity to each other correspond to similar percentage points on their respective duration curves. The algorithm has been incorporated into a model that allows flows at a destination site to be estimated from flows occurring at several source sites. The model has been applied to six groups of catchments within southern Africa and the resulting streamflow simulations compare favourably with those obtained using a semi-distributed, physically-based, daily time step rainfall-runoff model. The current limitations of the approach and its future potential value are discussed. © 1996 Taylor & Francis Group, LLC.
Authors & Co-Authors
Hughes, D. A.
South Africa, Grahamstown
Rhodes University
Smakhtin, V. Y.
South Africa, Grahamstown
Rhodes University
Statistics
Citations: 191
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1080/02626669609491555
ISSN:
02626667
e-ISSN:
21503435