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Spatial and decadal variations in inorganic nitrogen wet deposition in China induced by human activity
Jia, Yanlong(贾彦龙); Yu, Guirui; He, Nianpeng; Zhan, Xiaoyun; Fang, Huajun; Sheng, Wenping; Zuo, Yao; Zhang, Dayong; Wang, Qiufeng
2014
Source PublicationSCIENTIFIC REPORTS
Volume4
Corresponding AuthorYu, G
Abstract

Atmospheric nitrogen (N) deposition, an important component in the global N cycle, has increased sharply in recent decades in China. Here, we constructed national-scale inorganic N wet deposition (N-dep) patterns in China based on data from 280 observational sites and analysed the effects of anthropogenic sources and precipitation on N-dep. Our results showed that the mean N-dep over China increased approximately 25%, from 11.11 kg ha(-1) a(-1) in the 1990s to 13.87 in the 2000s. N-dep was highest over southern China and exhibited a decreasing gradient from southern to western and northern China. The decadal difference in N-dep between the 1990s and 2000s was primarily caused by increases in energy consumption and N fertiliser use. Our findings conformed that anthropogenic activities were the main reason for the N-dep increase and provide a scientific background for studies on ecological effects of N deposition in China.

Indexed BySCI
Funding OrganizationNational Key Research and Development Program 2010CB833504;National Natural Science Foundation of China 31290221;Strategic Program of State Eco-environmental Investigation and Evaluation in China STSN-02-03
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/29236
Collection研究生部
生态系统网络观测与模拟院重点实验室_生态系统综合研究中心
Recommended Citation
GB/T 7714
Jia, Yanlong,Yu, Guirui,He, Nianpeng,et al. Spatial and decadal variations in inorganic nitrogen wet deposition in China induced by human activity[J]. SCIENTIFIC REPORTS,2014,4.
APA Jia, Yanlong.,Yu, Guirui.,He, Nianpeng.,Zhan, Xiaoyun.,Fang, Huajun.,...&Wang, Qiufeng.(2014).Spatial and decadal variations in inorganic nitrogen wet deposition in China induced by human activity.SCIENTIFIC REPORTS,4.
MLA Jia, Yanlong,et al."Spatial and decadal variations in inorganic nitrogen wet deposition in China induced by human activity".SCIENTIFIC REPORTS 4(2014).
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