Quantification of subsurface hydrologic connectivity in four headwater catchments using graph theory

Quantification of subsurface hydrologic connectivity in four headwater catchments using graph theory

Hillslope-stream connectivity significantly affects streamflow and water quality responses during rainfall and snowmelt events, but is difficult to quantify. One approach to quantify subsurface hillslope-stream connectivity is graph theory, which considers linear connections between groundwater meas...

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Veröffentlicht in:The Science of the total environment 2019-01, Vol.646, p.1265-1280
Hauptverfasser: Zuecco, G., Rinderer, M., Penna, D., Borga, M., van Meerveld, H.J.
Format: Artikel
Sprache:eng
Schlagworte:
Graph theory
Headwater catchments
Hydrologic connectivity
Hysteresis
Shallow groundwater
Subsurface runoff
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Zusammenfassung:Hillslope-stream connectivity significantly affects streamflow and water quality responses during rainfall and snowmelt events, but is difficult to quantify. One approach to quantify subsurface hillslope-stream connectivity is graph theory, which considers linear connections between groundwater measurement sites. We quantified subsurface connectivity based on surface topography and shallow groundwater data from four small (
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2018.07.269