Estimating daily flow duration curves from monthly streamflow data

The paper describes two techniques by which to establish 1-day (1d) flow duration curves at an ungauged site where only a simulated or calculated monthly flow time series is available. Both methods employ the straightforward relationships between daily and monthly flow characteristics. These relatio...

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Bibliographic Details
Published in:Water S. A. 2000, Vol.26 (1), p.13-18
Main Author: SMAKHTIN, V. U
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Hydrology
Hydrology. Hydrogeology
Online Access:Get full text
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Summary:The paper describes two techniques by which to establish 1-day (1d) flow duration curves at an ungauged site where only a simulated or calculated monthly flow time series is available. Both methods employ the straightforward relationships between daily and monthly flow characteristics. These relationships are first established on the basis of observed streamflow data and then used to convert synthetic monthly flow data into 1d flow duration curves. The paper suggests the conversion equations and describes step-by-step calculation procedures which may be applied to generate 1d flow duration curves at quaternary catchment level of spatial resolution.
ISSN:0378-4738