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Number of HUC8 Watersheds In or Not in the Top 150 Contributors to the Gulf of Mexico as a Function of the Confidence in the Classification.
| Confidence Limits (%) | Total Nitrogen | Total Phosphorus |
|---|---|---|
| Number of HUC8 watersheds in the top 150 | ||
| 95 | 4 | 1 |
| 90 | 11 | 3 |
| 75 | 61 | 22 |
| Number of HUC8 watersheds not in the top 150 | ||
| 95 | 444 | 459 |
| 90 | 513 | 505 |
| 75 | 600 | 573 |
Note: HUC8, Eight-digit Hydrologic Unit Code.
