Contribution of atmospheric nitrogen deposition to diffuse pollution in a typical hilly red soil catchment in southern China
Jianlin Shen, Jieyun Liu, Yong Li, Yuyuan Li, Yi Wang, Xuejun Liu, Jinshui Wu
JOURNAL OF ENVIRONMENTAL SCIENCES | SCIENCE PRESS | Published : 2014
Atmospheric nitrogen (N) deposition is currently high and meanwhile diffuse N pollution is also serious in China. The correlation between N deposition and riverine N export and the contribution of N deposition to riverine N export were investigated in a typical hilly red soil catchment in southern China over a two-year period. N deposition was as high as 26.1 to 55.8kgN/(ha·yr) across different land uses in the studied catchment, while the riverine N exports ranged from 7.2 to 9.6kgN/(ha·yr) in the forest sub-catchment and 27.4 to 30.3kgN/(ha·yr) in the agricultural sub-catchment. The correlations between both wet N deposition and riverine N export and precipitation were highly positive, and..View full abstract
Awarded by National Basic Research Program (973) of China
Awarded by Chinese Academy of Sciences
Awarded by National Natural Science Foundation of China
This work was supported by the National Basic Research Program (973) of China (No. 2012CB417105), the Key Deployment Program of the Chinese Academy of Sciences (No. KZZD-EW-11), the 100-Talents Program of the Chinese Academy of Sciences for Dr. Yong Li and the National Natural Science Foundation of China (Nos. 41101247 and 41071151).