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An improved method is presented for characterizing vertical borehole flow conditions in open boreholes using in-well heat tracer tests monitored by a distributed temperature sensing (DTS) system. This flow logging method uses an electrical resistance heater to warm slugs of water within bedrock boreholes and DTS monitoring of subsequent heat migration to measure borehole flow characteristics. Use...
In order to protect public supply wells from a wide range of contaminants, it is imperative to understand physical flow and transport mechanisms in the aquifer system. Although flow through fractures has typically been associated with either crystalline or carbonate rocks, there is growing evidence that it can be an important component of flow in relatively permeable sandstone formations. The objective...
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