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Page 5010, results 125226 - 125250

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Temperature and solute-transport simulation in streamflow using a Lagrangian reference frame
Harvey E. Jobson
1980, Water-Resources Investigations Report 81-2
A computer program for simulating one-dimensional, unsteady temperature and solute transport in a river has been developed and documented for general use. The solution approach to the convective-diffusion equation uses a moving reference frame (Lagrangian) which greatly simplifies the mathematics of the solution procedure and dramatically reduces errors caused by...
Comparison of tracer methods and predictive equations for determination of stream-reaeration coefficients on three small streams in Wisconsin
R. Stephen Grant, Steven Skavroneck
1980, Water-Resources Investigations Report 80-19
Four modified nonradioactive-tracer methods and 20 predictive equations for determination of stream-reaeration coefficients in three small Wisconsin streams were compared with the radioactive-tracer method developed by Tsivoglou. Of the four modified-tracer techniques, the propane-area technique, which measures the total weight of propane gas passing stream-sampling stations, yielded the least mean absolute...