Sentences with phrase «total reactive nitrogen»
Measurements from the winter of 1994 — 95 indicating removal of total reactive nitrogen from the Arctic stratosphere by particle sedimentation were used to constrain a microphysical model.
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In total, human processes produce more reactive nitrogen than all natural processes combined [12,41,42,43,44,45], altering the global nitrogen cycle so fundamentally that Canfield et al. [41] estimate the closest geological comparison occurred ∼ 2.5 billion years ago.