Click on image to view larger version.


Figure 6


Fig. 6. (A) Average water age with mixing compared to reconstructed {delta}15N[NO3–]0. Values of {delta}15N are given with respect to air N2, in parts per thousand. (B) Average water age with mixing compared to [NO3–]0. (C) Average water age with mixing compared to denitrification progress, {xi}denit. Lines are least squares regressions to the data from the California transect, and the N23 and N21 well clusters at Nebraska. (D) Average water age with mixing versus dissolved O2.