Quantification of subsurface hydrologic connectivity in four headwater catchments using graph theory
- Zuecco, Giulia
- Rinderer, Michael
- Penna, Daniele
- Borga, Marco
- van Meerveld, H J
DOIAbstract
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 (<14 ha) headwater catchments in the Italian Dolomites and the Swiss pre-Alps, determined the relation between rainfall, antecedent wetness conditions and subsurface connectivity and assessed the sensitivity of the results to changes in the measurement network. Event total stormflow was correlated to maximum subsurface con...
Add to ORKG