Zhang Y, Dore A, Ma L, et al. Agricultural ammonia emissions inventory and spatial distribution in the North China Plain[J]. Environmental Pollution, 2010, 158: 490-501
[4]
Russell K, Galloway J, Macko S, et al. Sources of nitrogen in wet deposition to the Chesapeaka Bay Region[J]. Atmospheric Environment, 1998, 32: 2453-2465
[5]
Garten J Jr. Nitrogen isotope composition of ammonium and nitrate in bulk precipitation and forest throughfall[J]. International Journal of Analytical Chemistry, 1992, 47: 33-45
Silva S, Kendall C, Wilkison D, et al. A new method for collection of nitrate from fresh water and the analysis of nitrogenand oxygen isotope ratios[J]. Journal of Hydrology, 2000, 228 (1/2): 22-36
Mukhtar S, Mutlu A, Capareda C, et al. Seasonal and spatial variations of ammonia emissions from an open-lot dairy operation[J]. Journal of the Air & Waste Management Association, 2008, 58 (3): 369-376
[11]
Xiao H, Liu C. Source of nitrogen and sulfur in wet deposition at Guiyang, southwest China[J]. Atmospheric Environment, 2002, 36: 5121-5130
[12]
Jia G, Chen F. Monthly variation in nitrogen isotopes of ammonium and nitrate in wet deposition at Guangzhou, south China[J]. Atmospheric Environment, 2010, 44: 2309-2315
[13]
Heaton T H E. Isotopic studies of nitrogen pollution in the hydrosphere and atmosphere: A review[J]. Chemical Geology, 1986, 59: 87-102
[14]
Ding W, Cai Y, Cai Z, et al. Nitrous oxide emissions from an intensively cultivated maize-wheat rotation soil in the North China Plain[J]. Science of the Total Environment, 2007, 373: 501-511
[15]
Zhang Y, Liu J, Mu Y, et al. Emissions of nitrous oxide, nitrogen oxides and ammonia from a maize field in the North China Plain[J]. Atmospheric Environment, 2011, 45: 2956-2661
