Table 30. A. Aoproximate annual input from land drainaqe and point source discharge 



of dissolved inorganic nitrogen (NH4''", NO2", NO3") per unit area and per unit volume in 



various estuaries. '^ The top number of each entry is in mmol m~'^- y^, the bottom number 

 is in mmol m"3 y-1 (Nixon 1983). 



Estuary 



Narragansett Bay 



Long Island Sound 



New York Bay 



Raritan Bay 



Delaware Bay 



Chesapeake Bay 



Patuxent Estuary 



Potomac Estuary 



Pamlico Estuary 



Apalachicola Bay 



Mobile Bay 



Barataria Bay 



Northern San Francisco Bay 



South San Francisco Bay 



Kaneohe Bay 



(continued) 

 115 



