CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
广州城区PM_(2.5)中水溶性有机碳浓度特征及其来源
Authors
刘随心[2]
张智胜[1]
朱李华[1]
瞿群[1]
Publication date
1 December 2015
Publisher
Abstract
水溶性有机碳(WSOC)是碳气溶胶的重要组成部分,具有显著的环境与气候效应。该研究在广州城区采集了冬季和夏季PM_(2.5)日样品,分析了其中的水溶性有机碳、水溶性离子、有机碳(OC)和元素碳(EC)等化学成分,同步收集了臭氧(O_3)的浓度资料,并利用因子分析模型(FA)探讨了广州城区大气PM_(2.5)中WSOC的主要来源。结果表明,冬季和夏季WSOC的平均浓度分别为(9.2±6.2)μg/m~3和(5.2±3.1)μg/m~3,浓度处于较高水平。冬夏两季WSOC与基于EC 示踪方法估算的二次有机碳(SOC)均有着显著的相关关系,且夏季WSOC与O_3亦呈现出显著的正相关关系,表明了广州城区观测的WSOC在夏季能较好地示踪SOC的污染程度。因子分析结果则进一步揭示了广州城区WSOC 主要来源于SOC的生成和生物质燃烧,而其它污染源对其贡献较小。</p
Similar works
Full text
Available Versions
Institutional Repository of Institute of Earth Environment, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ieecas.cn:361006/10531
Last time updated on 03/02/2019