Identifying and linking source areas of flow and P transport in dairy‐grazed headwater catchments, North Island, New Zealand

Identifying and linking source areas of flow and P transport in dairy‐grazed headwater catchments, North Island, New Zealand

We examined the applicability of the critical‐source area (CSA) concept to the dairy‐grazed 192‐ha Upper Toenepi catchment and its 8·7‐ha Kiwitahi sub‐catchment, New Zealand. We evaluated if phosphorus (P) transport from land into stream is dominated by saturation‐excess (SE) and infiltration‐excess...

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Veröffentlicht in:Hydrological processes 2010-12, Vol.24 (25), p.3689-3705
Hauptverfasser: Müller, K, Srinivasan, M.S, Trolove, M, McDowell, R.W
Format: Artikel
Sprache:eng
Schlagworte:
Catchments
critical-source areas
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochemistry
Groundwater
Hydrogeology
Hydrology
Hydrology. Hydrogeology
infiltration-excess runoff
Mineralogy
Phosphorus
Runoff
saturation-excess runoff
shallow groundwater
Silicates
Strategy
Streams
sub-surface flow
Transport
Water geochemistry
Water tables
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Zusammenfassung:We examined the applicability of the critical‐source area (CSA) concept to the dairy‐grazed 192‐ha Upper Toenepi catchment and its 8·7‐ha Kiwitahi sub‐catchment, New Zealand. We evaluated if phosphorus (P) transport from land into stream is dominated by saturation‐excess (SE) and infiltration‐excess (IE) runoff during stormflow and by sub‐surface (
ISSN:0885-6087
1099-1085
1099-1085
DOI:10.1002/hyp.7809