GYIG OpenIR  > 环境地球化学国家重点实验室
Who controls the monthly variations of NH4+ nitrogen isotope composition in precipitation?
Hong-Wei Xiao;  Hua-Yun Xiao;  Ai-min Long;  Yan-Li Wang
2012
发表期刊Atmospheric Environment
卷号54页码:201-206
摘要

Nitrogen isotopes of ammonium (δ15N–NH4+) in precipitation have been analyzed, to study their monthly variations, from Oct. 2008 to Sep. 2009 at Guiyang, Southwest China. δ15N–NH4+ values were higher in winter and lower in summer showing a strong sine curve. In summer (rainy season), raindrop may remove more light ammonia by washout process, because raindrop incorporated 15NH3 preferentially while left the 14N in the atmosphere. At the same time, longer sunshine times imply more hv for producing H2SO4 of SO2 to H2SO4, which accelerates gaseous to particle conversion of NH3 to (NH4)2SO4 by unidirectional reactions for isotopic enriched 14N. The above two aspects can somewhat cause the seasonal variation of nitrogen isotopic composition, but are not the main or direct reasons. The temperature has an opposite trend with seasonal variation of δ15N values. The temperature not only causes seasonal variation of δ15N values, but also increases the volatilization rate of NH3 and microbial activities. And there is a robust linear relationship between temperature and δ15N, showing that the temperature is the main factor to decide the monthly variation of δ15N–NH4+.

关键词Ammonium δ15 nisotopic Fractionation unidirectional Reaction exchange Reaction seasonal Variation
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10976
专题环境地球化学国家重点实验室
作者单位1.State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
2.State Key Laboratory of Environment Geochemistry, Institute of Geochemistry, Chinese Academy of Science, Guiyang 550002, China
推荐引用方式
GB/T 7714
Hong-Wei Xiao;Hua-Yun Xiao;Ai-min Long;Yan-Li Wang. Who controls the monthly variations of NH4+ nitrogen isotope composition in precipitation?[J]. Atmospheric Environment,2012,54:201-206.
APA Hong-Wei Xiao;Hua-Yun Xiao;Ai-min Long;Yan-Li Wang.(2012).Who controls the monthly variations of NH4+ nitrogen isotope composition in precipitation?.Atmospheric Environment,54,201-206.
MLA Hong-Wei Xiao;Hua-Yun Xiao;Ai-min Long;Yan-Li Wang."Who controls the monthly variations of NH4+ nitrogen isotope composition in precipitation?".Atmospheric Environment 54(2012):201-206.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Who controls the mon(582KB)期刊论文作者接受稿开放获取CC BY-NC-SA浏览 请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Hong-Wei Xiao;Hua-Yun Xiao;Ai-min Long;Yan-Li Wang]的文章
百度学术
百度学术中相似的文章
[Hong-Wei Xiao;Hua-Yun Xiao;Ai-min Long;Yan-Li Wang]的文章
必应学术
必应学术中相似的文章
[Hong-Wei Xiao;Hua-Yun Xiao;Ai-min Long;Yan-Li Wang]的文章
相关权益政策
暂无数据
收藏/分享
文件名: Who controls the monthly variations of NH4__þ nitrogen isotope composition_in precipitation_.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。