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D. Genereux, H. Hemond, P. Mulholland (1993)
Use of radon-222 and calcium as tracers in a three-end-member mixing model for streamflow generation on the West Fork of Walker Branch WatershedJournal of Hydrology, 142
H. Pionke, W. Gburek, G. Folmar (1993)
Quantifying stormflow components in a Pennsylvania watershed when 18O input and storm conditions varyJournal of Hydrology, 148
C. Wels, R. Cornett, B. Lazerte (1991)
Hydrograph separation: A comparison of geochemical and isotopic tracersJournal of Hydrology, 122
M. Hinton, S. Schiff, M. English (1994)
Examining the contributions of glacial till water to storm runoff using two‐ and three‐component hydrograph separationsWater Resources Research, 30
R. Hooper, C. Shoemaker (1986)
A Comparison of Chemical and Isotopic Hydrograph SeparationWater Resources Research, 22
M. Beck, F. Kleissen, H. Wheater (1990)
Identifying flow paths in models of surface water acidificationReviews of Geophysics, 28
G. Wilson, P. Jardine, R. Luxmoore, J. Jones (1990)
Hydrology of a forested hillslope during storm eventsGeoderma, 46
N. Christophersen, C. Neal, R. Hooper, R. Vogt, Sjur Andersen (1990)
Modelling streamwater chemistry as a mixture of soilwater end-members — A step towards second-generation acidification modelsJournal of Hydrology, 116
H. Elsenbeer, A. West, M. Bonell (1994)
Hydrologic pathways and stormflow hydrochemistry at South Creek, northeast QueenslandJournal of Hydrology, 162
N. Christophersen, C. Neal, R. Hooper (1993)
Modelling the hydrochemistry of catchments: a challenge for the scientific methodJournal of Hydrology, 152
P. Mulholland (1993)
Hydrometric and stream chemistry evidence of three storm flowpaths in Walker Branch WatershedJournal of Hydrology, 151
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Hydrograph separation in a small alpine basin based on inorganic solute concentrationsJournal of Hydrology, 112
L. Webb (1968)
Environmental Relationships of the Structural Types of Australian Rain Forest VegetationEcology, 49
G. Wilson, P. Jardine, R. Luxmoore, L. Zelazny, D. Lietzke, D. Todd (1991)
Hydrogeochemical processes controlling subsurface transport from an upper subcatchment of Walker Branch watershed during storm events. 1. Hydrologic transport processesJournal of Hydrology, 123
R. Hooper, N. Christophersen, N. Peters (1990)
Modelling streamwater chemistry as a mixture of soilwater end-members ― an application to the Panola Mountain catchment, Georgia, U.S.A.Journal of Hydrology, 116
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A rationale for old water discharge through macropores in a steep, humid catchment.Water Resources Research, 26
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Hydrogeochemical processes controlling subsurface transport form an upper Walker Branch watershed during storm events, 1, Hydrologic transport processesJ. Hydrol., 123
D. Bazemore, K. Eshleman, K. Hollenbeck (1994)
The role of soil water in stormflow generation in a forested headwater catchment: synthesis of natural tracer and hydrometric evidenceJournal of Hydrology, 162
G. Pinder, John Jones (1969)
Determination of the ground‐water component of peak discharge from the chemistry of total runoffWater Resources Research, 5
W. Hendershot, S. Savoie, F. Courchesne (1992)
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I. Moore, G. Foster, M. Anderson, T. Burt (1990)
Hydraulics and overland flow.
M. Bonell, J. Balek (1993)
Hydrology and Water Management in the Humid Tropics: Recent Scientific Developments and Research Needs in Hydrological Processes of the Humid Tropics
Wilson Wilson, Jardine Jardine, Luxmoore Luxmoore, Jones Jones (1990)
Hydrology of a forested watershed during storm eventsGeoderma, 46
D. Dewalle, B. Swistock, W. Sharpe (1988)
Three-component tracer model for stormflow on a small Appalachian forested catchmentJournal of Hydrology, 104
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The development of overland flow in a tropical rainforest catchmentJournal of Hydrology, 39
(1981)
Soil hydraulic properties and their effect on surface and subsurface water transfer in a tropical rainforest catchment
Previous hydrometric studies demonstrated the prevalence of overland flow as a hydrological pathway in the tropical rain forest catchment of South Creek, northeast Queensland. The purpose of this study was to consider this information in a mixing analysis with the aim of identifying sources of, and of estimating their contribution to, storm flow during two events in February 1993. K and acid‐neutralizing capacity (ANC) were used as tracers because they provided the best separation of the potential sources, saturation overland flow, soil water from depths of 0.3, 0.6, and 1.2 m, and hillslope groundwater in a two‐dimensional mixing plot. It was necessary to distinguish between saturation overland flow, generated at the soil surface and following unchanneled pathways, and overland flow in incised pathways. This latter type of overland flow was a mixture of saturation overland flow (event water) with high concentrations of K and a low ANC, soil water (preevent water) with low concentrations of K and a low ANC, and groundwater (preevent water) with low concentrations of K and a high ANC. The same sources explained the streamwater chemistry during the two events with strongly differing rainfall and antecedent moisture conditions. The contribution of saturation overland flow dominated the storm flow during the first, high‐intensity, 178‐mm event, while the contribution of soil water reached 50% during peak flow of the second, low‐intensity, 44‐mm event 5 days later. This latter result is remarkably similar to soil water contributions to storm flow in mountainous forested catchments of the southeastern United States. In terms of event and preevent water the storm flow hydrograph of the high‐intensity event is dominated by event water and that of the low‐intensity event by preevent water. This study highlights the problems of applying mixing analyses to overland flow‐dominated catchments and soil environments with a poorly developed vertical chemical zonation and emphasizes the need for independent hydrometric information for a complete characterization of watershed hydrology and chemistry.
Water Resources Research – Wiley
Published: Sep 1, 1995
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