Table 1. Net precipitation to the Neuse watershed and discharge (mass water transport at Mills Branch), number of fill volumes, and estimated nutrient load to the NRE study area.
Event | Period, days | Net precipitation delivery, 109 m3 | Discharge (Mills Branch), 109 m3 | Fill volumes to estuary | TN loading, 106 kg | TP loading, 106 kg | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Fran | 36 | 3.47 | 25% | 1.78 | 25% | 4.7 | 20% | 2.75 | 32% | 0.50 | 55% |
Floyd | 36 | 6.05 | 44% | 2.72 | 39% | 7.2 | 31% | 2.35 | 28% | 0.48 | 53% |
Fran | 75 | 3.51 | 26% | 2.66 | 38% | 7.0 | 30% | 3.73 | 44% | 0.58 | 64% |
Floyd | 75 | 6.58 | 48% | 3.90 | 56% | 10.3 | 45% | 3.64 | 43% | 0.65 | 71% |
Data are from the 36- and 75- day (September 6 to October 11 and September 6 to November 19, respectively) posthurricane periods in 1996 (Fran) and 1999 (Dennis, Floyd, and Irene). The second number in each column represents the percentage of the mean annual (1993—2002) for the variable indicated.