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i <br /> UVB Flow Streamlines in the Presence of Natural Groundwater <br /> Flow, Showing Stagnation Point Distance <br /> 1 ` <br /> i <br /> UVO <br /> • At the stagnation point S, the UVB circulation flow meets <br /> the natural groundwater flow <br /> • The distance of the stagnation point S from the UVB <br /> characterizes the capture zone of the well <br /> • The stagnation point distance S is highly dependent on the <br /> degree of anisotropy in the aquifer <br /> • Degree of anisotropy is the ratio of the horizontal to <br /> vertical hydraulic conductivity <br /> • The higher the anisotropy, the greater the UVB capture <br />