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Wet and dry nitrogen deposition in the central Sichuan Basin of China
Kuang, Fuhong1,2; Liu, Xuejun2; Zhu, Bo1; Shen, Jianlin3; Pan, Yuepeng4; Su, Minmin2; Goulding, Keith5
Corresponding AuthorZhu, Bo
AbstractReactive nitrogen (Nr) plays a key role in the atmospheric environment and its deposition has induced large negative impacts on ecosystem health and services. Five-year continuous in-situ monitoring of N deposition, including wet (total nitrogen (wTN), total dissolved nitrogen (wTDN), dissolved organic nitrogen (wDON), ammonium nitrogen (wAN) and nitrate nitrogen (wNN)) and dry (DNH3, DHNO3, (D)pN(4)(+), (D)pNO(3)(-) and DNO2) deposition, had been conducted since August 2008 to December 2013 (wet) and May 2011 to December 2013 (dry) in Yan-ting, China, a typical agricultural area in the central Sichuan Basin. Mean annual total N deposition from 2011 to 2013 was 30.8 kg N ha(-1) yr(-1), and speculated that of 2009 and 2010 was averaged 28.2 kg N ha(-1) yr(-1), respectively. Wet and dry N deposition accounted for 76.3% and 23.7% of annual N deposition, respectively. Reduced N ((w)AN, DNH3 and (D)pNH(4)(+)) was 1.7 times of oxidized N (wNN, DHNO3, DNO2 and DPNO3-) which accounted for 50.9% and 30.3% of TN, respectively. Maximum loadings of all N forms of wet deposition, gaseous NH3, HNO3 and particulate NH4+ in dry deposition occurred in summer and minimum loadings in winter. Whether monthly, seasonal or annual averaged, dissolved N accounted for more than 70% of the total. N deposition in the central Sichuan Basin increased during the sampling period, especially that of ammonium compounds, and has become a serious threat to local aquatic ecosystems, the surrounding forest and other natural or semi-natural ecosystems in the upper reaches of the Yangtze River. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordAir Pollution Wet Deposition Dry Deposition Nitrogen Agricultural Activities
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
Indexed BySCI
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000383932400004
Funding OrganizationNational Program on Key Basic Research Projects of China(2012CB417101) ; National Natural Science Foundation of China(40901144 ; 31421092 ; 41405144)
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Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Sichuan, Peoples R China
2.China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
3.Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
4.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China
5.Rothamsted Res, Sustainable Soil & Grassland Syst Dept, Harpenden AL5 2JQ, Herts, England
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Kuang, Fuhong,Liu, Xuejun,Zhu, Bo,et al. Wet and dry nitrogen deposition in the central Sichuan Basin of China[J]. ATMOSPHERIC ENVIRONMENT,2016,143:39-50.
APA Kuang, Fuhong.,Liu, Xuejun.,Zhu, Bo.,Shen, Jianlin.,Pan, Yuepeng.,...&Goulding, Keith.(2016).Wet and dry nitrogen deposition in the central Sichuan Basin of China.ATMOSPHERIC ENVIRONMENT,143,39-50.
MLA Kuang, Fuhong,et al."Wet and dry nitrogen deposition in the central Sichuan Basin of China".ATMOSPHERIC ENVIRONMENT 143(2016):39-50.
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