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Center for Coastal & Land-Margin Research

Fecal Coliform Data - Spatial Trends

One implicit assumption in the current Tillamook Bay water quality management strategy is that fecal coliform concentrations are, on average, higher in the south end of the bay near the Wilson, Tillamook, and Trask river deltas. This assumption can, to some degree be assessed by computing time averages at several selected stations chosen along specific transects. Shown here are two such transects: on longitudinal and one transverse. It's critical to note that, while the results of this analysis do suggest specific spatial trends, that data is very sparse and may not yield statistically significant results.

Longitudinal Trend
Transverse Trend
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