The dye did not mix evenly through the pond
The View from the Blimp
The dye moved through the pond as a plume.
You can also see the boat from which the samples were taken (and the problems
with using a video camera that puts titles on your tape at the touch of
Results of the grab samples
The graph shows how the dye concentrations
sampled at five locations in the pond changed with time as more water
flowed into the pond. It shows the concentration at the outlet was much
less than the concentration in the middle of the pond .
Results of the automatic fluorometer readings
This graph shows how the dye concentrations sampled at
the south and north sides of the pond changed with time as more water
flowed into the pond. It shows the concentration on the south was higher
than the concentration on the right of the pond.