15N14N ratios of nitrate and ammonium in rain at Pretoria, South Africa
Data are presented for the concentrations and 15 N 14 N ratios of nitrate and ammonium in rain at Pretoria, South Africa, together with data for dry deposition and gases. They are discussed in terms of the influence of reaction mechanisms on isotopic fractionation and the isotopic identity of the nitrate- and ammonium-forming precursors.
قرأ أكثر