𝔖 Bobbio Scriptorium
✦   LIBER   ✦

APPLICATION OF UNIT HYDROGRAPH TECHNIQUES TO SOLUTE TRANSPORT IN CATCHMENTS

✍ Scribed by C. J. BARNES; M. BONELL


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
713 KB
Volume
10
Category
Article
ISSN
0885-6087

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✦ Synopsis


Current models of solute movement in catchments are based on rainfall-runoff models and are consequently biased towards processes which determine the magnitude and timing of water flux. It is shown here that the instantaneous unit hydrograph (IUH), or runoff response function, obtained from a hydrograph is fundamentally different from the residence time distribution which governs the response to solutes/tracers. Using hydrometric and tracer data obtained from a small (25 ha) catchment in the humid tropics a modification of the IUH technique is demonstrated which also allows approximate modelling of the tracer data. New features of the modified conceptual model are identified with known hillslope processes.


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