This study was designed to find the locations in Big Quill Lake, Saskatchewan, where the transfer of surficial and aquifer groundwater occurs in the lake bed. Using the findings of a geological survey done between 1966 and 1969, and combining the results of the remote sensing techniques of ERTS, airborne radio phase detection (E-PHASE) and infrared line-scanning, it proved possible to locate nine areas at which inflow of groundwater is assumed to take place. Together these nine locations comprise an area of four square kilometers (1.5 mi²) in a lake that covers 250 square kilometers (100 mi²). In addition it was possible to separate these nine groundwater locations from such dynamic events as spiral currents (a tenth anomaly zone) and peninsula building bottom currents.
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