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(Article of periodic en Anglais - 2014)

Document title

A simple two-parameter model for scaling hillslope surface runoff

Authors(s) and Affiliation(s)

SHERIDAN G.J. (1 2) ; NOSKE P.J. (1) ; LANE P.N.J. (1 2) ; JONES O.D. (3) ; SHERWIN C.B. (1) ;
(1) Dept. of Forest and Ecosystem Science, Univ. of Melbourne, Victoria, AUSTRALIE
(2) Cooperative Research Centre for Forestry, Sandy Bay, AUSTRALIE
(3) Dept. of Mathematics and Statistics, Univ. of Melbourne, Victoria, AUSTRALIE

Abstract

The aim of this research was to develop and parameterise a physically justified yet low-parameter model to quantify observed changes in surface runoff ratios with hillslope length for a range of landscape conditions. The AA. focus on the scale dependency of infiltration-excess runoff delivery from slope lengths at the annual-average temporal scale. The model was parameterised with new rainfall and data collected from 3 replicates of bounded 2 m wide plots of 4 different lengths (0.5, 1.0, 2.0 and 4.0 m) for 2 years for a forested SE Australian site, and with 32 slope length-runoff data sets from 12 other published studies undertaken betweeen 1934 and 2010. Using the parameterised model resulted in a Nash and Sutcliffe statistic between observed and predicted runoff ratio (for all data sets combined) of 0.93, compared with -2.1 when the runoff ratio was fixed at the value measured from the shortest plot

Source

Article of periodic

published at : Earth surface processes and landforms / ISSN 0197-9337 / CODEN ESPLDB

Editor : Wiley, Chichester - ROYAUME-UNI (1981)

Millesime : 2014, vol. 39, no8 [pp. 1049-1061]

Bibliographic references : 2 p.

Collation : 9 fig., 4 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 17355

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1002/esp.3503

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2014
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