Airsheds: Oxidized-Nitrogen Deposition into Coastal Estuaries
Characteristics of Oxidized-Nitrogen Airsheds |
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Watershed |
Size (km2) |
Size Factor Over Watershed Area |
% Ox-N Deposition Explained |
Airshed NOx Emissions as % of E. North American |
Efficiency of Deposition %dep. per %emiss. |
Casco Bay | 624,000 |
244 |
47 |
10 |
4.7 |
Great Bay | 547,000 |
214 |
60 |
13 |
4.6 |
Narragansett Bay | 595,200 |
138 |
73 |
18 |
4.1 |
Long Island Sound | 905,600 |
22 |
70 |
23 |
3.0 |
Hudson/Raritan Bay | 912,000 |
22 |
62 |
25 |
2.5 |
Barnegat Bay | 505,600 |
361 |
67 |
16 |
4.2 |
Delaware Bay | 729,600 |
22 |
75 |
26 |
2.9 |
Delaware Inland Bays | 326,400 |
584 |
52 |
12 |
4.3 |
Chesapeake Bay | 1,081,600 |
6.5 |
76 |
34 |
2.2 |
Pamlico Sound | 665,600 |
25 |
63 |
18 |
3.5 |
Winyah Bay | 886,400 |
19 |
69 |
24 |
2.9 |
Charleston Harbor | 806,400 |
20 |
56 |
18 |
3.1 |
St. Helena Sound | 588,800 |
48 |
59 |
11 |
5.4 |
Altamaha | 678,400 |
18 |
68 |
13 |
5.2 |
Tampa Bay | 256,000 |
45 |
76 |
5 |
15.2 |
Apalachee Bay | 441,600 |
31 |
50 |
9 |
5.6 |
Apalachicola Bay | 812,800 |
16 |
69 |
17 |
4.1 |
Mobile Bay | 992,000 |
8.7 |
68 |
17 |
4.0 |
Lake Pontchartrain | 659,200 |
17 |
63 |
11 |
5.7 |
Barataria-Terrebonne | 409,600 |
55 |
63 |
8 |
7.9 |
Contacts: Robin Dennis
Airshed Tables
- Characteristics of Oxidized-Nitroogen Airsheds
- Characteristics of Principal Airsheds for Reduced-Nitrogen Deposition
- Summarized Characteristics of Principal Airsheds for Oxidized-Nitrogen Deposition
Related Publications
- Paerl H.W., Dennis, R.L., Whitall, D.R., Atmospheric deposition of nitrogen: Implications for nutrient over-enrichment of coastal waters, Estuaries 25(4B), 677-693, 2002. (abstract)