y = 22.41x + 3.88 

 r 2 =.86 



y=1.74x + 1 90 



.5 1.0 1.5 



WEIGHTED 5 DAY PRECIPITATION 



AVERAGE (CM/DAY) 



2.0 



Figure 48. Inorganic nitrogen:phosphorus ratios vs. 

 rainfall in the Barataria basin (from Kemp 1978) . 



112 



