Table 4.
Summary of total deposition (TDep, Total N 2013–2015), exceedances (Exceed), WDUM, and percent contribution of deposition components to WDUM (% of WDUM) for Simkin et al. (2016) points (Count) that fall within the boundaries of the Croatan and George Washington National Forests, and Shenandoah National Park.
| Croatan NF | George Washington NF | Shenandoah NP | ||||
|---|---|---|---|---|---|---|
| All | Near Exceedance | All | Near Exceedance | All | Near Exceedance | |
| Count | 60 | 24 | 431 | 62 | 327 | 152 |
| TDep | 8.5 | 8.6 | 7.6 | 8.4 | 9.7 | 10.3 |
| Exceed | −2.9 | −1.1 | −3.9 | −1.2 | −2.0 | −0.5 |
| WDUM | 2.7 | 2.7 | 2.5 | 2.6 | 2.7 | 2.8 |
| % of WDUM | % of WDUM | % of WDUM | ||||
| HNO3_dry | 5.8 | 5.8 | 17.5 | 18.1 | 13.4 | 12.3 |
| NH3_dry | 22.9 | 23.4 | 15.1 | 19.6 | 29.4 | 34.5 |
| NH4_dry | 2.6 | 2.6 | 2.6 | 2.9 | 1.9 | 1.7 |
| NH4_wet | 9.6 | 9.3 | 8.2 | 7.5 | 7.9 | 7.2 |
| NO3_dry | 10.8 | 11.0 | 3.0 | 3.3 | 2.2 | 2.0 |
| NO3_wet | 5.4 | 5.4 | 6.5 | 5.7 | 4.9 | 4.6 |
| NoM_dry | 17.8 | 18.1 | 22.6 | 20.9 | 19.1 | 17.9 |
| NoM_wet | 25.0 | 24.4 | 24.4 | 22.0 | 21.3 | 19.8 |