6Galloway J N. Acid deposition: Perspectives in time and space [ J]. Water, Air and Soil Pollution, 1995, 85 : 15-24.
7Asmam W A H, Sutton M A, Schjorring J K. Ammonia: emission, atmospheric transport and deposition [ J ]. New Phytologist, 1998, 139( 1 ) : 27-48.
8Goulding K W T, Bailey N J, Bradbury N J, et al. Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes[ J]. New Phytologist, 1998, 139( 1 ) : 49-58.
9Duce R A, Liss P S, Merrill J T, et al. The atmospheric input of trace species to the world ocean [ J ]. Global Biogeochemical Cycles, 1991, 5: 193-259.
10Castro M S, Driscoll C T. Atmospheric nitrogen deposition to estuaries in the Mid-Atlantic and Northeastern United States[ J]. Environmental Science & Technology, 2002, 36 ( 15 ) : 3242- 3249.