id author title date pages extension mime words sentence flesch summary cache txt xg94hm53g4f Tomás Aquino Lagrangian Random Walk Methods in Hydrologic Settings 1904 .txt text/plain 129 6 30 Specifically, we address solute reactions and mixing in the presence of nonuniform background flow fields, mixing through bioturbation in freshwater systems, tracer tests in river and stream transport, and broad return time distributions in hydrologic and other settings. We develop numerical particle tracking methods and theoretical descriptions relying on random walk theory and apply them to a va- riety of problems with an impact on the hydrologic sciences. cache/xg94hm53g4f.txt txt/xg94hm53g4f.txt