Groundwater Recharge from Drywells Under Constant Head Conditions.

ABSTRACT: Drywells are widely used as managed aquifer recharge devices to capture stormwater runoff and recharge groundwater, but little research has examined the role of subsurface heterogeneity in hydraulic properties on drywell recharge efficiency. Numerical experiments were therefore conducted on a 2D-axisymmetric domain using the HYDRUS (2D/3D) software to systematically study the influence of various homogenous soil types and subsurface heterogeneity on recharge from drywells under constant head conditions. The mean cumulative infiltration (μI) and recharge (μR) volumes increased with an increase in the saturated hydraulic conductivity (K_s ) for various homogeneous soils. Subsurface heterogeneity was described by generating ten stochastic realizations of soil hy

SUBMITTER: Sasidharan S 

PROVIDER: S-EPMC7751658 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature