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QUANTIFYING SEEPAGE FLUX USING SEDIMENT TEMPERATURES
Lien, B.K. and R.G. Ford.
EPA 600-R-15-454, 50 pp, 2014
This report demonstrates different modeling approaches that use sediment temperatures to estimate the magnitude and direction of water flux across the groundwater-surface water transition zone. Following a review of analytical models based on steady-state or transient temperature solutions, case study applications of the modeling approaches are illustrated for two different field settings with quiescent and flowing surface water systems. For the quiescent system, two different steady-state models were used to evaluate temperature records from three depths to estimate groundwater seepage into a pond. For the flowing water system, two different transient models were applied to estimate water exchange across a granular cap placed atop sediments in a small river. http://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100MP4G.txt
EPA 600-R-15-454, 50 pp, 2014
This report demonstrates different modeling approaches that use sediment temperatures to estimate the magnitude and direction of water flux across the groundwater-surface water transition zone. Following a review of analytical models based on steady-state or transient temperature solutions, case study applications of the modeling approaches are illustrated for two different field settings with quiescent and flowing surface water systems. For the quiescent system, two different steady-state models were used to evaluate temperature records from three depths to estimate groundwater seepage into a pond. For the flowing water system, two different transient models were applied to estimate water exchange across a granular cap placed atop sediments in a small river. http://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100MP4G.txt
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