期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 520, 期 -, 页码 302-304出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2015.03.063
关键词
Nitrogen; Wet deposition; Spatial pattern; Composition; Influencing factors
In this paper, we have formally responded to the speculation in Liu et al. suspect that Zhu et al. (2015) may have underestimated dissolved organic N but overestimated total particulate N in wet deposition in China by Liu et al. (2015). Here, we first discussed the uncertainty and plausible reasons of atmospheric deposition in China, which have been reported in different studies. We disagree with their interpretation on some points. Firstly, the difficulties in quality control from sampling to analyzing are common to all studies regarding atmospheric deposition, including the studies cited by Liu et al. (2015). More importantly, their discussion did not fully consider the apparent influence of different scaling-up methods (from an observation site scale to a national scale) on estimations of atmospheric N deposition in China. Furthermore, we provided the optimal approaches to resolve these challenges discussed in order to promote the related studies of atmospheric N deposition in China in the future. (C) 2015 Elsevier B.V. All rights reserved.
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